From patchwork Sun Apr 22 13:24:08 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Blue Swirl X-Patchwork-Id: 154278 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 450D4B6FC8 for ; Mon, 23 Apr 2012 00:20:53 +1000 (EST) Received: from localhost ([::1]:53211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SLxel-0001NN-31 for incoming@patchwork.ozlabs.org; Sun, 22 Apr 2012 10:20:51 -0400 Received: from eggs.gnu.org ([208.118.235.92]:50719) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SLwmN-0007hO-4k for qemu-devel@nongnu.org; Sun, 22 Apr 2012 09:24:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SLwmE-00055t-N6 for qemu-devel@nongnu.org; Sun, 22 Apr 2012 09:24:38 -0400 Received: from mail-iy0-f173.google.com ([209.85.210.173]:42254) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SLwmE-0004cy-9Z; Sun, 22 Apr 2012 09:24:30 -0400 Received: by mail-iy0-f173.google.com with SMTP id j26so18044383iaf.4 for ; Sun, 22 Apr 2012 06:24:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=6ZUYXo95ZqvDhvfKWbbzDcT38LxtQqN1OkKPhBkYnWo=; b=QlZC0EvToHfoW/QKgQEvH9J075JwYr0oIdYlp/42y+YJLXUEpV5eroBiMS2YW+R3/C 0t0judNDRl1/FTkFbW3Nf+A4FGjJKhFiEeUZ7/OCzrjjzyVmBfDcuLe3WDiXkvrVI/ZC HoHcFcgCRR4wq+gLpfjg9MsPqIBsHbB1XuY/HDj0t7oIRNA92YLp/qImgrkKe3vfdMeG nNF+bHs4+8ivFK6DHnZM6juU9WQpEorvZt5yzlNRy1pw+fCA6yIAS8GiUPw9YJrXV/bs GjyHVnhEgDYM5OkFE528JIS0VgTdWAxsV6EK2Y7u/QWrbwU+/KXQBN6vpOHgFpcwqKuQ svWg== Received: by 10.50.212.97 with SMTP id nj1mr3865831igc.65.1335101068961; Sun, 22 Apr 2012 06:24:28 -0700 (PDT) MIME-Version: 1.0 Received: by 10.50.197.194 with HTTP; Sun, 22 Apr 2012 06:24:08 -0700 (PDT) From: Blue Swirl Date: Sun, 22 Apr 2012 13:24:08 +0000 Message-ID: To: Alexander Graf , qemu-ppc@nongnu.org, qemu-devel X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.210.173 Subject: [Qemu-devel] [PATCH 08/22] ppc: split integer and vector ops X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Move integer and vector ops to int_helper.c. Signed-off-by: Blue Swirl --- Makefile.target | 5 +- target-ppc/{op_helper.c => int_helper.c} | 1389 +-------------------------- target-ppc/op_helper.c | 1500 ------------------------------ 3 files changed, 29 insertions(+), 2865 deletions(-) copy target-ppc/{op_helper.c => int_helper.c} (60%) target_ulong helper_clcs(uint32_t arg) @@ -577,67 +417,6 @@ target_ulong helper_clcs(uint32_t arg) } } -target_ulong helper_div(target_ulong arg1, target_ulong arg2) -{ - uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; - - if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || - (int32_t)arg2 == 0) { - env->spr[SPR_MQ] = 0; - return INT32_MIN; - } else { - env->spr[SPR_MQ] = tmp % arg2; - return tmp / (int32_t)arg2; - } -} - -target_ulong helper_divo(target_ulong arg1, target_ulong arg2) -{ - uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; - - if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || - (int32_t)arg2 == 0) { - env->xer |= (1 << XER_OV) | (1 << XER_SO); - env->spr[SPR_MQ] = 0; - return INT32_MIN; - } else { - env->spr[SPR_MQ] = tmp % arg2; - tmp /= (int32_t)arg2; - if ((int32_t)tmp != tmp) { - env->xer |= (1 << XER_OV) | (1 << XER_SO); - } else { - env->xer &= ~(1 << XER_OV); - } - return tmp; - } -} - -target_ulong helper_divs(target_ulong arg1, target_ulong arg2) -{ - if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || - (int32_t)arg2 == 0) { - env->spr[SPR_MQ] = 0; - return INT32_MIN; - } else { - env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; - return (int32_t)arg1 / (int32_t)arg2; - } -} - -target_ulong helper_divso(target_ulong arg1, target_ulong arg2) -{ - if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || - (int32_t)arg2 == 0) { - env->xer |= (1 << XER_OV) | (1 << XER_SO); - env->spr[SPR_MQ] = 0; - return INT32_MIN; - } else { - env->xer &= ~(1 << XER_OV); - env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; - return (int32_t)arg1 / (int32_t)arg2; - } -} - #if !defined(CONFIG_USER_ONLY) target_ulong helper_rac(target_ulong addr) { @@ -660,26 +439,6 @@ target_ulong helper_rac(target_ulong addr) #endif /*****************************************************************************/ -/* 602 specific instructions */ -/* mfrom is the most crazy instruction ever seen, imho ! */ -/* Real implementation uses a ROM table. Do the same */ -/* Extremely decomposed: - * -arg / 256 - * return 256 * log10(10 + 1.0) + 0.5 - */ -#if !defined(CONFIG_USER_ONLY) -target_ulong helper_602_mfrom(target_ulong arg) -{ - if (likely(arg < 602)) { -#include "mfrom_table.c" - return mfrom_ROM_table[arg]; - } else { - return 0; - } -} -#endif - -/*****************************************************************************/ /* Embedded PowerPC specific helpers */ /* XXX: to be improved to check access rights when in user-mode */ @@ -716,43 +475,6 @@ void helper_store_dcr(target_ulong dcrn, target_ulong val) } } -/* 440 specific */ -target_ulong helper_dlmzb(target_ulong high, target_ulong low, - uint32_t update_Rc) -{ - target_ulong mask; - int i; - - i = 1; - for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((high & mask) == 0) { - if (update_Rc) { - env->crf[0] = 0x4; - } - goto done; - } - i++; - } - for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((low & mask) == 0) { - if (update_Rc) { - env->crf[0] = 0x8; - } - goto done; - } - i++; - } - if (update_Rc) { - env->crf[0] = 0x2; - } - done: - env->xer = (env->xer & ~0x7F) | i; - if (update_Rc) { - env->crf[0] |= xer_so; - } - return i; -} - /*****************************************************************************/ /* Altivec extension helpers */ #if defined(HOST_WORDS_BIGENDIAN) @@ -763,74 +485,6 @@ target_ulong helper_dlmzb(target_ulong high, target_ulong low, #define LO_IDX 0 #endif -#if defined(HOST_WORDS_BIGENDIAN) -#define VECTOR_FOR_INORDER_I(index, element) \ - for (index = 0; index < ARRAY_SIZE(r->element); index++) -#else -#define VECTOR_FOR_INORDER_I(index, element) \ - for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) -#endif - -/* If X is a NaN, store the corresponding QNaN into RESULT. Otherwise, - * execute the following block. */ -#define DO_HANDLE_NAN(result, x) \ - if (float32_is_any_nan(x)) { \ - CPU_FloatU __f; \ - __f.f = x; \ - __f.l = __f.l | (1 << 22); /* Set QNaN bit. */ \ - result = __f.f; \ - } else - -#define HANDLE_NAN1(result, x) \ - DO_HANDLE_NAN(result, x) -#define HANDLE_NAN2(result, x, y) \ - DO_HANDLE_NAN(result, x) DO_HANDLE_NAN(result, y) -#define HANDLE_NAN3(result, x, y, z) \ - DO_HANDLE_NAN(result, x) DO_HANDLE_NAN(result, y) DO_HANDLE_NAN(result, z) - -/* Saturating arithmetic helpers. */ -#define SATCVT(from, to, from_type, to_type, min, max) \ - static inline to_type cvt##from##to(from_type x, int *sat) \ - { \ - to_type r; \ - \ - if (x < (from_type)min) { \ - r = min; \ - *sat = 1; \ - } else if (x > (from_type)max) { \ - r = max; \ - *sat = 1; \ - } else { \ - r = x; \ - } \ - return r; \ - } -#define SATCVTU(from, to, from_type, to_type, min, max) \ - static inline to_type cvt##from##to(from_type x, int *sat) \ - { \ - to_type r; \ - \ - if (x > (from_type)max) { \ - r = max; \ - *sat = 1; \ - } else { \ - r = x; \ - } \ - return r; \ - } -SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) -SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) -SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) - -SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) -SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) -SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) -SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) -SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) -SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) -#undef SATCVT -#undef SATCVTU - #define LVE(name, access, swap, element) \ void helper_##name(ppc_avr_t *r, target_ulong addr) \ { \ @@ -854,24 +508,6 @@ LVE(lvewx, ldl, bswap32, u32) #undef I #undef LVE -void helper_lvsl(ppc_avr_t *r, target_ulong sh) -{ - int i, j = (sh & 0xf); - - VECTOR_FOR_INORDER_I(i, u8) { - r->u8[i] = j++; - } -} - -void helper_lvsr(ppc_avr_t *r, target_ulong sh) -{ - int i, j = 0x10 - (sh & 0xf); - - VECTOR_FOR_INORDER_I(i, u8) { - r->u8[i] = j++; - } -} - #define STVE(name, access, swap, element) \ void helper_##name(ppc_avr_t *r, target_ulong addr) \ { \ @@ -893,1146 +529,10 @@ STVE(stvewx, stl, bswap32, u32) #undef I #undef LVE -void helper_mtvscr(ppc_avr_t *r) -{ -#if defined(HOST_WORDS_BIGENDIAN) - env->vscr = r->u32[3]; -#else - env->vscr = r->u32[0]; -#endif - set_flush_to_zero(vscr_nj, &env->vec_status); -} - -void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->u32); i++) { - r->u32[i] = ~a->u32[i] < b->u32[i]; - } -} - -#define VARITH_DO(name, op, element) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - r->element[i] = a->element[i] op b->element[i]; \ - } \ - } -#define VARITH(suffix, element) \ - VARITH_DO(add##suffix, +, element) \ - VARITH_DO(sub##suffix, -, element) -VARITH(ubm, u8) -VARITH(uhm, u16) -VARITH(uwm, u32) -#undef VARITH_DO -#undef VARITH - -#define VARITHFP(suffix, func) \ - void helper_v##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \ - r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ - } \ - } \ - } -VARITHFP(addfp, float32_add) -VARITHFP(subfp, float32_sub) -#undef VARITHFP - -#define VARITHSAT_CASE(type, op, cvt, element) \ - { \ - type result = (type)a->element[i] op (type)b->element[i]; \ - r->element[i] = cvt(result, &sat); \ - } - -#define VARITHSAT_DO(name, op, optype, cvt, element) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int sat = 0; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - switch (sizeof(r->element[0])) { \ - case 1: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - case 2: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - case 4: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - } \ - } \ - if (sat) { \ - env->vscr |= (1 << VSCR_SAT); \ - } \ - } -#define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ - VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ - VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) -#define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ - VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ - VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) -VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) -VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) -VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) -VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) -VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) -VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) -#undef VARITHSAT_CASE -#undef VARITHSAT_DO -#undef VARITHSAT_SIGNED -#undef VARITHSAT_UNSIGNED - -#define VAVG_DO(name, element, etype) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ - r->element[i] = x >> 1; \ - } \ - } - -#define VAVG(type, signed_element, signed_type, unsigned_element, \ - unsigned_type) \ - VAVG_DO(avgs##type, signed_element, signed_type) \ - VAVG_DO(avgu##type, unsigned_element, unsigned_type) -VAVG(b, s8, int16_t, u8, uint16_t) -VAVG(h, s16, int32_t, u16, uint32_t) -VAVG(w, s32, int64_t, u32, uint64_t) -#undef VAVG_DO -#undef VAVG - -#define VCF(suffix, cvt, element) \ - void helper_vcf##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t uim) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - float32 t = cvt(b->element[i], &env->vec_status); \ - r->f[i] = float32_scalbn(t, -uim, &env->vec_status); \ - } \ - } -VCF(ux, uint32_to_float32, u32) -VCF(sx, int32_to_float32, s32) -#undef VCF - -#define VCMP_DO(suffix, compare, element, record) \ - void helper_vcmp##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - uint32_t ones = (uint32_t)-1; \ - uint32_t all = ones; \ - uint32_t none = 0; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - uint32_t result = (a->element[i] compare b->element[i] ? \ - ones : 0x0); \ - switch (sizeof(a->element[0])) { \ - case 4: \ - r->u32[i] = result; \ - break; \ - case 2: \ - r->u16[i] = result; \ - break; \ - case 1: \ - r->u8[i] = result; \ - break; \ - } \ - all &= result; \ - none |= result; \ - } \ - if (record) { \ - env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ - } \ - } -#define VCMP(suffix, compare, element) \ - VCMP_DO(suffix, compare, element, 0) \ - VCMP_DO(suffix##_dot, compare, element, 1) -VCMP(equb, ==, u8) -VCMP(equh, ==, u16) -VCMP(equw, ==, u32) -VCMP(gtub, >, u8) -VCMP(gtuh, >, u16) -VCMP(gtuw, >, u32) -VCMP(gtsb, >, s8) -VCMP(gtsh, >, s16) -VCMP(gtsw, >, s32) -#undef VCMP_DO -#undef VCMP - -#define VCMPFP_DO(suffix, compare, order, record) \ - void helper_vcmp##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - uint32_t ones = (uint32_t)-1; \ - uint32_t all = ones; \ - uint32_t none = 0; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - uint32_t result; \ - int rel = float32_compare_quiet(a->f[i], b->f[i], \ - &env->vec_status); \ - if (rel == float_relation_unordered) { \ - result = 0; \ - } else if (rel compare order) { \ - result = ones; \ - } else { \ - result = 0; \ - } \ - r->u32[i] = result; \ - all &= result; \ - none |= result; \ - } \ - if (record) { \ - env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ - } \ - } -#define VCMPFP(suffix, compare, order) \ - VCMPFP_DO(suffix, compare, order, 0) \ - VCMPFP_DO(suffix##_dot, compare, order, 1) -VCMPFP(eqfp, ==, float_relation_equal) -VCMPFP(gefp, !=, float_relation_less) -VCMPFP(gtfp, ==, float_relation_greater) -#undef VCMPFP_DO -#undef VCMPFP - -static inline void vcmpbfp_internal(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, - int record) -{ - int i; - int all_in = 0; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status); - if (le_rel == float_relation_unordered) { - r->u32[i] = 0xc0000000; - /* ALL_IN does not need to be updated here. */ - } else { - float32 bneg = float32_chs(b->f[i]); - int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status); - int le = le_rel != float_relation_greater; - int ge = ge_rel != float_relation_less; - - r->u32[i] = ((!le) << 31) | ((!ge) << 30); - all_in |= (!le | !ge); - } - } - if (record) { - env->crf[6] = (all_in == 0) << 1; - } -} - -void helper_vcmpbfp(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - vcmpbfp_internal(r, a, b, 0); -} - -void helper_vcmpbfp_dot(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - vcmpbfp_internal(r, a, b, 1); -} - -#define VCT(suffix, satcvt, element) \ - void helper_vct##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t uim) \ - { \ - int i; \ - int sat = 0; \ - float_status s = env->vec_status; \ - \ - set_float_rounding_mode(float_round_to_zero, &s); \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - if (float32_is_any_nan(b->f[i])) { \ - r->element[i] = 0; \ - } else { \ - float64 t = float32_to_float64(b->f[i], &s); \ - int64_t j; \ - \ - t = float64_scalbn(t, uim, &s); \ - j = float64_to_int64(t, &s); \ - r->element[i] = satcvt(j, &sat); \ - } \ - } \ - if (sat) { \ - env->vscr |= (1 << VSCR_SAT); \ - } \ - } -VCT(uxs, cvtsduw, u32) -VCT(sxs, cvtsdsw, s32) -#undef VCT - -void helper_vmaddfp(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN3(r->f[i], a->f[i], b->f[i], c->f[i]) { - /* Need to do the computation in higher precision and round - * once at the end. */ - float64 af, bf, cf, t; - - af = float32_to_float64(a->f[i], &env->vec_status); - bf = float32_to_float64(b->f[i], &env->vec_status); - cf = float32_to_float64(c->f[i], &env->vec_status); - t = float64_mul(af, cf, &env->vec_status); - t = float64_add(t, bf, &env->vec_status); - r->f[i] = float64_to_float32(t, &env->vec_status); - } - } -} - -void helper_vmhaddshs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int sat = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(r->s16); i++) { - int32_t prod = a->s16[i] * b->s16[i]; - int32_t t = (int32_t)c->s16[i] + (prod >> 15); - - r->s16[i] = cvtswsh(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vmhraddshs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int sat = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(r->s16); i++) { - int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; - int32_t t = (int32_t)c->s16[i] + (prod >> 15); - r->s16[i] = cvtswsh(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -#define VMINMAX_DO(name, compare, element) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - if (a->element[i] compare b->element[i]) { \ - r->element[i] = b->element[i]; \ - } else { \ - r->element[i] = a->element[i]; \ - } \ - } \ - } -#define VMINMAX(suffix, element) \ - VMINMAX_DO(min##suffix, >, element) \ - VMINMAX_DO(max##suffix, <, element) -VMINMAX(sb, s8) -VMINMAX(sh, s16) -VMINMAX(sw, s32) -VMINMAX(ub, u8) -VMINMAX(uh, u16) -VMINMAX(uw, u32) -#undef VMINMAX_DO -#undef VMINMAX - -#define VMINMAXFP(suffix, rT, rF) \ - void helper_v##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \ - if (float32_lt_quiet(a->f[i], b->f[i], \ - &env->vec_status)) { \ - r->f[i] = rT->f[i]; \ - } else { \ - r->f[i] = rF->f[i]; \ - } \ - } \ - } \ - } -VMINMAXFP(minfp, a, b) -VMINMAXFP(maxfp, b, a) -#undef VMINMAXFP - -void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->s16); i++) { - int32_t prod = a->s16[i] * b->s16[i]; - r->s16[i] = (int16_t) (prod + c->s16[i]); - } -} - -#define VMRG_DO(name, element, highp) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - ppc_avr_t result; \ - int i; \ - size_t n_elems = ARRAY_SIZE(r->element); \ - \ - for (i = 0; i < n_elems / 2; i++) { \ - if (highp) { \ - result.element[i*2+HI_IDX] = a->element[i]; \ - result.element[i*2+LO_IDX] = b->element[i]; \ - } else { \ - result.element[n_elems - i * 2 - (1 + HI_IDX)] = \ - b->element[n_elems - i - 1]; \ - result.element[n_elems - i * 2 - (1 + LO_IDX)] = \ - a->element[n_elems - i - 1]; \ - } \ - } \ - *r = result; \ - } -#if defined(HOST_WORDS_BIGENDIAN) -#define MRGHI 0 -#define MRGLO 1 -#else -#define MRGHI 1 -#define MRGLO 0 -#endif -#define VMRG(suffix, element) \ - VMRG_DO(mrgl##suffix, element, MRGHI) \ - VMRG_DO(mrgh##suffix, element, MRGLO) -VMRG(b, u8) -VMRG(h, u16) -VMRG(w, u32) -#undef VMRG_DO -#undef VMRG -#undef MRGHI -#undef MRGLO - -void helper_vmsummbm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int32_t prod[16]; - int i; - - for (i = 0; i < ARRAY_SIZE(r->s8); i++) { - prod[i] = (int32_t)a->s8[i] * b->u8[i]; - } - - VECTOR_FOR_INORDER_I(i, s32) { - r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + - prod[4 * i + 2] + prod[4 * i + 3]; - } -} - -void helper_vmsumshm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int32_t prod[8]; - int i; - - for (i = 0; i < ARRAY_SIZE(r->s16); i++) { - prod[i] = a->s16[i] * b->s16[i]; - } - - VECTOR_FOR_INORDER_I(i, s32) { - r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; - } -} - -void helper_vmsumshs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int32_t prod[8]; - int i; - int sat = 0; - - for (i = 0; i < ARRAY_SIZE(r->s16); i++) { - prod[i] = (int32_t)a->s16[i] * b->s16[i]; - } - - VECTOR_FOR_INORDER_I(i, s32) { - int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; - - r->u32[i] = cvtsdsw(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vmsumubm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - uint16_t prod[16]; - int i; - - for (i = 0; i < ARRAY_SIZE(r->u8); i++) { - prod[i] = a->u8[i] * b->u8[i]; - } - - VECTOR_FOR_INORDER_I(i, u32) { - r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + - prod[4 * i + 2] + prod[4 * i + 3]; - } -} - -void helper_vmsumuhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - uint32_t prod[8]; - int i; - - for (i = 0; i < ARRAY_SIZE(r->u16); i++) { - prod[i] = a->u16[i] * b->u16[i]; - } - - VECTOR_FOR_INORDER_I(i, u32) { - r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; - } -} - -void helper_vmsumuhs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - uint32_t prod[8]; - int i; - int sat = 0; - - for (i = 0; i < ARRAY_SIZE(r->u16); i++) { - prod[i] = a->u16[i] * b->u16[i]; - } - - VECTOR_FOR_INORDER_I(i, s32) { - uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; - - r->u32[i] = cvtuduw(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -#define VMUL_DO(name, mul_element, prod_element, evenp) \ - void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - VECTOR_FOR_INORDER_I(i, prod_element) { \ - if (evenp) { \ - r->prod_element[i] = a->mul_element[i * 2 + HI_IDX] * \ - b->mul_element[i * 2 + HI_IDX]; \ - } else { \ - r->prod_element[i] = a->mul_element[i * 2 + LO_IDX] * \ - b->mul_element[i * 2 + LO_IDX]; \ - } \ - } \ - } -#define VMUL(suffix, mul_element, prod_element) \ - VMUL_DO(mule##suffix, mul_element, prod_element, 1) \ - VMUL_DO(mulo##suffix, mul_element, prod_element, 0) -VMUL(sb, s8, s16) -VMUL(sh, s16, s32) -VMUL(ub, u8, u16) -VMUL(uh, u16, u32) -#undef VMUL_DO -#undef VMUL - -void helper_vnmsubfp(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN3(r->f[i], a->f[i], b->f[i], c->f[i]) { - /* Need to do the computation is higher precision and round - * once at the end. */ - float64 af, bf, cf, t; - - af = float32_to_float64(a->f[i], &env->vec_status); - bf = float32_to_float64(b->f[i], &env->vec_status); - cf = float32_to_float64(c->f[i], &env->vec_status); - t = float64_mul(af, cf, &env->vec_status); - t = float64_sub(t, bf, &env->vec_status); - t = float64_chs(t); - r->f[i] = float64_to_float32(t, &env->vec_status); - } - } -} - -void helper_vperm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - ppc_avr_t result; - int i; - - VECTOR_FOR_INORDER_I(i, u8) { - int s = c->u8[i] & 0x1f; -#if defined(HOST_WORDS_BIGENDIAN) - int index = s & 0xf; -#else - int index = 15 - (s & 0xf); -#endif - - if (s & 0x10) { - result.u8[i] = b->u8[index]; - } else { - result.u8[i] = a->u8[index]; - } - } - *r = result; -} - -#if defined(HOST_WORDS_BIGENDIAN) -#define PKBIG 1 -#else -#define PKBIG 0 -#endif -void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i, j; - ppc_avr_t result; -#if defined(HOST_WORDS_BIGENDIAN) - const ppc_avr_t *x[2] = { a, b }; -#else - const ppc_avr_t *x[2] = { b, a }; -#endif - - VECTOR_FOR_INORDER_I(i, u64) { - VECTOR_FOR_INORDER_I(j, u32) { - uint32_t e = x[i]->u32[j]; - - result.u16[4*i+j] = (((e >> 9) & 0xfc00) | - ((e >> 6) & 0x3e0) | - ((e >> 3) & 0x1f)); - } - } - *r = result; -} - -#define VPK(suffix, from, to, cvt, dosat) \ - void helper_vpk##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - int sat = 0; \ - ppc_avr_t result; \ - ppc_avr_t *a0 = PKBIG ? a : b; \ - ppc_avr_t *a1 = PKBIG ? b : a; \ - \ - VECTOR_FOR_INORDER_I(i, from) { \ - result.to[i] = cvt(a0->from[i], &sat); \ - result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ - } \ - *r = result; \ - if (dosat && sat) { \ - env->vscr |= (1 << VSCR_SAT); \ - } \ - } -#define I(x, y) (x) -VPK(shss, s16, s8, cvtshsb, 1) -VPK(shus, s16, u8, cvtshub, 1) -VPK(swss, s32, s16, cvtswsh, 1) -VPK(swus, s32, u16, cvtswuh, 1) -VPK(uhus, u16, u8, cvtuhub, 1) -VPK(uwus, u32, u16, cvtuwuh, 1) -VPK(uhum, u16, u8, I, 0) -VPK(uwum, u32, u16, I, 0) -#undef I -#undef VPK -#undef PKBIG - -void helper_vrefp(ppc_avr_t *r, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); - } - } -} - -#define VRFI(suffix, rounding) \ - void helper_vrfi##suffix(ppc_avr_t *r, ppc_avr_t *b) \ - { \ - int i; \ - float_status s = env->vec_status; \ - \ - set_float_rounding_mode(rounding, &s); \ - for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - HANDLE_NAN1(r->f[i], b->f[i]) { \ - r->f[i] = float32_round_to_int (b->f[i], &s); \ - } \ - } \ - } -VRFI(n, float_round_nearest_even) -VRFI(m, float_round_down) -VRFI(p, float_round_up) -VRFI(z, float_round_to_zero) -#undef VRFI - -#define VROTATE(suffix, element) \ - void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - unsigned int mask = ((1 << \ - (3 + (sizeof(a->element[0]) >> 1))) \ - - 1); \ - unsigned int shift = b->element[i] & mask; \ - r->element[i] = (a->element[i] << shift) | \ - (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ - } \ - } -VROTATE(b, u8) -VROTATE(h, u16) -VROTATE(w, u32) -#undef VROTATE - -void helper_vrsqrtefp(ppc_avr_t *r, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - float32 t = float32_sqrt(b->f[i], &env->vec_status); - - r->f[i] = float32_div(float32_one, t, &env->vec_status); - } - } -} - -void helper_vsel(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) -{ - r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); - r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); -} - -void helper_vexptefp(ppc_avr_t *r, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_exp2(b->f[i], &env->vec_status); - } - } -} - -void helper_vlogefp(ppc_avr_t *r, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_log2(b->f[i], &env->vec_status); - } - } -} - -#if defined(HOST_WORDS_BIGENDIAN) -#define LEFT 0 -#define RIGHT 1 -#else -#define LEFT 1 -#define RIGHT 0 -#endif -/* The specification says that the results are undefined if all of the - * shift counts are not identical. We check to make sure that they are - * to conform to what real hardware appears to do. */ -#define VSHIFT(suffix, leftp) \ - void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int shift = b->u8[LO_IDX*15] & 0x7; \ - int doit = 1; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ - doit = doit && ((b->u8[i] & 0x7) == shift); \ - } \ - if (doit) { \ - if (shift == 0) { \ - *r = *a; \ - } else if (leftp) { \ - uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \ - \ - r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \ - r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \ - } else { \ - uint64_t carry = a->u64[HI_IDX] << (64 - shift); \ - \ - r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \ - r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \ - } \ - } \ - } -VSHIFT(l, LEFT) -VSHIFT(r, RIGHT) -#undef VSHIFT -#undef LEFT -#undef RIGHT - -#define VSL(suffix, element) \ - void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - unsigned int mask = ((1 << \ - (3 + (sizeof(a->element[0]) >> 1))) \ - - 1); \ - unsigned int shift = b->element[i] & mask; \ - \ - r->element[i] = a->element[i] << shift; \ - } \ - } -VSL(b, u8) -VSL(h, u16) -VSL(w, u32) -#undef VSL - -void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) -{ - int sh = shift & 0xf; - int i; - ppc_avr_t result; - -#if defined(HOST_WORDS_BIGENDIAN) - for (i = 0; i < ARRAY_SIZE(r->u8); i++) { - int index = sh + i; - if (index > 0xf) { - result.u8[i] = b->u8[index - 0x10]; - } else { - result.u8[i] = a->u8[index]; - } - } -#else - for (i = 0; i < ARRAY_SIZE(r->u8); i++) { - int index = (16 - sh) + i; - if (index > 0xf) { - result.u8[i] = a->u8[index - 0x10]; - } else { - result.u8[i] = b->u8[index]; - } - } -#endif - *r = result; -} - -void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf; - -#if defined(HOST_WORDS_BIGENDIAN) - memmove(&r->u8[0], &a->u8[sh], 16 - sh); - memset(&r->u8[16-sh], 0, sh); -#else - memmove(&r->u8[sh], &a->u8[0], 16 - sh); - memset(&r->u8[0], 0, sh); -#endif -} - -/* Experimental testing shows that hardware masks the immediate. */ -#define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) -#if defined(HOST_WORDS_BIGENDIAN) -#define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) -#else -#define SPLAT_ELEMENT(element) \ - (ARRAY_SIZE(r->element) - 1 - _SPLAT_MASKED(element)) -#endif -#define VSPLT(suffix, element) \ - void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ - { \ - uint32_t s = b->element[SPLAT_ELEMENT(element)]; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - r->element[i] = s; \ - } \ - } -VSPLT(b, u8) -VSPLT(h, u16) -VSPLT(w, u32) -#undef VSPLT -#undef SPLAT_ELEMENT -#undef _SPLAT_MASKED - -#define VSPLTI(suffix, element, splat_type) \ - void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ - { \ - splat_type x = (int8_t)(splat << 3) >> 3; \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - r->element[i] = x; \ - } \ - } -VSPLTI(b, s8, int8_t) -VSPLTI(h, s16, int16_t) -VSPLTI(w, s32, int32_t) -#undef VSPLTI - -#define VSR(suffix, element) \ - void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ - { \ - int i; \ - \ - for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - unsigned int mask = ((1 << \ - (3 + (sizeof(a->element[0]) >> 1))) \ - - 1); \ - unsigned int shift = b->element[i] & mask; \ - \ - r->element[i] = a->element[i] >> shift; \ - } \ - } -VSR(ab, s8) -VSR(ah, s16) -VSR(aw, s32) -VSR(b, u8) -VSR(h, u16) -VSR(w, u32) -#undef VSR - -void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int sh = (b->u8[LO_IDX * 0xf] >> 3) & 0xf; - -#if defined(HOST_WORDS_BIGENDIAN) - memmove(&r->u8[sh], &a->u8[0], 16 - sh); - memset(&r->u8[0], 0, sh); -#else - memmove(&r->u8[0], &a->u8[sh], 16 - sh); - memset(&r->u8[16 - sh], 0, sh); -#endif -} - -void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(r->u32); i++) { - r->u32[i] = a->u32[i] >= b->u32[i]; - } -} - -void helper_vsumsws(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int64_t t; - int i, upper; - ppc_avr_t result; - int sat = 0; - -#if defined(HOST_WORDS_BIGENDIAN) - upper = ARRAY_SIZE(r->s32)-1; -#else - upper = 0; -#endif - t = (int64_t)b->s32[upper]; - for (i = 0; i < ARRAY_SIZE(r->s32); i++) { - t += a->s32[i]; - result.s32[i] = 0; - } - result.s32[upper] = cvtsdsw(t, &sat); - *r = result; - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vsum2sws(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i, j, upper; - ppc_avr_t result; - int sat = 0; - -#if defined(HOST_WORDS_BIGENDIAN) - upper = 1; -#else - upper = 0; -#endif - for (i = 0; i < ARRAY_SIZE(r->u64); i++) { - int64_t t = (int64_t)b->s32[upper + i * 2]; - - result.u64[i] = 0; - for (j = 0; j < ARRAY_SIZE(r->u64); j++) { - t += a->s32[2 * i + j]; - } - result.s32[upper + i * 2] = cvtsdsw(t, &sat); - } - - *r = result; - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vsum4sbs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i, j; - int sat = 0; - - for (i = 0; i < ARRAY_SIZE(r->s32); i++) { - int64_t t = (int64_t)b->s32[i]; - - for (j = 0; j < ARRAY_SIZE(r->s32); j++) { - t += a->s8[4 * i + j]; - } - r->s32[i] = cvtsdsw(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vsum4shs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int sat = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(r->s32); i++) { - int64_t t = (int64_t)b->s32[i]; - - t += a->s16[2 * i] + a->s16[2 * i + 1]; - r->s32[i] = cvtsdsw(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -void helper_vsum4ubs(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) -{ - int i, j; - int sat = 0; - - for (i = 0; i < ARRAY_SIZE(r->u32); i++) { - uint64_t t = (uint64_t)b->u32[i]; - - for (j = 0; j < ARRAY_SIZE(r->u32); j++) { - t += a->u8[4 * i + j]; - } - r->u32[i] = cvtuduw(t, &sat); - } - - if (sat) { - env->vscr |= (1 << VSCR_SAT); - } -} - -#if defined(HOST_WORDS_BIGENDIAN) -#define UPKHI 1 -#define UPKLO 0 -#else -#define UPKHI 0 -#define UPKLO 1 -#endif -#define VUPKPX(suffix, hi) \ - void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ - { \ - int i; \ - ppc_avr_t result; \ - \ - for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ - uint16_t e = b->u16[hi ? i : i+4]; \ - uint8_t a = (e >> 15) ? 0xff : 0; \ - uint8_t r = (e >> 10) & 0x1f; \ - uint8_t g = (e >> 5) & 0x1f; \ - uint8_t b = e & 0x1f; \ - \ - result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ - } \ - *r = result; \ - } -VUPKPX(lpx, UPKLO) -VUPKPX(hpx, UPKHI) -#undef VUPKPX - -#define VUPK(suffix, unpacked, packee, hi) \ - void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ - { \ - int i; \ - ppc_avr_t result; \ - \ - if (hi) { \ - for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ - result.unpacked[i] = b->packee[i]; \ - } \ - } else { \ - for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ - i++) { \ - result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ - } \ - } \ - *r = result; \ - } -VUPK(hsb, s16, s8, UPKHI) -VUPK(hsh, s32, s16, UPKHI) -VUPK(lsb, s16, s8, UPKLO) -VUPK(lsh, s32, s16, UPKLO) -#undef VUPK -#undef UPKHI -#undef UPKLO - -#undef DO_HANDLE_NAN -#undef HANDLE_NAN1 -#undef HANDLE_NAN2 -#undef HANDLE_NAN3 -#undef VECTOR_FOR_INORDER_I #undef HI_IDX #undef LO_IDX /*****************************************************************************/ -/* SPE extension helpers */ -/* Use a table to make this quicker */ -static uint8_t hbrev[16] = { - 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, - 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, -}; - -static inline uint8_t byte_reverse(uint8_t val) -{ - return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); -} - -static inline uint32_t word_reverse(uint32_t val) -{ - return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | - (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); -} - -#define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ -target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) -{ - uint32_t a, b, d, mask; - - mask = UINT32_MAX >> (32 - MASKBITS); - a = arg1 & mask; - b = arg2 & mask; - d = word_reverse(1 + word_reverse(a | ~b)); - return (arg1 & ~mask) | (d & b); -} - -uint32_t helper_cntlsw32(uint32_t val) -{ - if (val & 0x80000000) { - return clz32(~val); - } else { - return clz32(val); - } -} - -uint32_t helper_cntlzw32(uint32_t val) -{ - return clz32(val); -} - -/*****************************************************************************/ /* Softmmu support */ #if !defined(CONFIG_USER_ONLY) diff --git a/Makefile.target b/Makefile.target index aadd6c1..12108cb 100644 --- a/Makefile.target +++ b/Makefile.target @@ -106,7 +106,7 @@ libobj-$(TARGET_XTENSA) += cpu.o libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o libobj-$(TARGET_ALPHA) += cpu.o ifeq ($(TARGET_BASE_ARCH), ppc) -libobj-y += fpu_helper.o excp_helper.o +libobj-y += fpu_helper.o int_helper.o excp_helper.o endif libobj-y += disas.o @@ -121,6 +121,9 @@ $(libobj-y): $(GENERATED_HEADERS) ifneq ($(TARGET_BASE_ARCH), sparc) op_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) endif +ifeq ($(TARGET_BASE_ARCH), ppc) +int_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) +endif user-exec.o: QEMU_CFLAGS += $(HELPER_CFLAGS) # Note: this is a workaround. The real fix is to avoid compiling diff --git a/target-ppc/op_helper.c b/target-ppc/int_helper.c similarity index 60% copy from target-ppc/op_helper.c copy to target-ppc/int_helper.c index 3f677f6..71c7304 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/int_helper.c @@ -1,5 +1,5 @@ /* - * PowerPC emulation helpers for QEMU. + * PowerPC integer and vector emulation helpers for QEMU. * * Copyright (c) 2003-2007 Jocelyn Mayer * @@ -16,376 +16,12 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ -#include #include "cpu.h" #include "dyngen-exec.h" #include "host-utils.h" #include "helper.h" #include "helper_regs.h" - -#if !defined(CONFIG_USER_ONLY) -#include "softmmu_exec.h" -#endif /* !defined(CONFIG_USER_ONLY) */ - -//#define DEBUG_OP -//#define DEBUG_SOFTWARE_TLB - -#ifdef DEBUG_SOFTWARE_TLB -# define LOG_SWTLB(...) qemu_log(__VA_ARGS__) -#else -# define LOG_SWTLB(...) do { } while (0) -#endif - -/*****************************************************************************/ -/* SPR accesses */ -void helper_load_dump_spr(uint32_t sprn) -{ - qemu_log("Read SPR %d %03x => " TARGET_FMT_lx "\n", sprn, sprn, - env->spr[sprn]); -} - -void helper_store_dump_spr(uint32_t sprn) -{ - qemu_log("Write SPR %d %03x <= " TARGET_FMT_lx "\n", sprn, sprn, - env->spr[sprn]); -} - -target_ulong helper_load_tbl(void) -{ - return (target_ulong)cpu_ppc_load_tbl(env); -} - -target_ulong helper_load_tbu(void) -{ - return cpu_ppc_load_tbu(env); -} - -target_ulong helper_load_atbl(void) -{ - return (target_ulong)cpu_ppc_load_atbl(env); -} - -target_ulong helper_load_atbu(void) -{ - return cpu_ppc_load_atbu(env); -} - -#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) -target_ulong helper_load_purr(void) -{ - return (target_ulong)cpu_ppc_load_purr(env); -} -#endif - -target_ulong helper_load_601_rtcl(void) -{ - return cpu_ppc601_load_rtcl(env); -} - -target_ulong helper_load_601_rtcu(void) -{ - return cpu_ppc601_load_rtcu(env); -} - -#if !defined(CONFIG_USER_ONLY) -#if defined(TARGET_PPC64) -void helper_store_asr(target_ulong val) -{ - ppc_store_asr(env, val); -} -#endif - -void helper_store_sdr1(target_ulong val) -{ - ppc_store_sdr1(env, val); -} - -void helper_store_tbl(target_ulong val) -{ - cpu_ppc_store_tbl(env, val); -} - -void helper_store_tbu(target_ulong val) -{ - cpu_ppc_store_tbu(env, val); -} - -void helper_store_atbl(target_ulong val) -{ - cpu_ppc_store_atbl(env, val); -} - -void helper_store_atbu(target_ulong val) -{ - cpu_ppc_store_atbu(env, val); -} - -void helper_store_601_rtcl(target_ulong val) -{ - cpu_ppc601_store_rtcl(env, val); -} - -void helper_store_601_rtcu(target_ulong val) -{ - cpu_ppc601_store_rtcu(env, val); -} - -target_ulong helper_load_decr(void) -{ - return cpu_ppc_load_decr(env); -} - -void helper_store_decr(target_ulong val) -{ - cpu_ppc_store_decr(env, val); -} - -void helper_store_hid0_601(target_ulong val) -{ - target_ulong hid0; - - hid0 = env->spr[SPR_HID0]; - if ((val ^ hid0) & 0x00000008) { - /* Change current endianness */ - env->hflags &= ~(1 << MSR_LE); - env->hflags_nmsr &= ~(1 << MSR_LE); - env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE); - env->hflags |= env->hflags_nmsr; - qemu_log("%s: set endianness to %c => " TARGET_FMT_lx "\n", __func__, - val & 0x8 ? 'l' : 'b', env->hflags); - } - env->spr[SPR_HID0] = (uint32_t)val; -} - -void helper_store_403_pbr(uint32_t num, target_ulong value) -{ - if (likely(env->pb[num] != value)) { - env->pb[num] = value; - /* Should be optimized */ - tlb_flush(env, 1); - } -} - -target_ulong helper_load_40x_pit(void) -{ - return load_40x_pit(env); -} - -void helper_store_40x_pit(target_ulong val) -{ - store_40x_pit(env, val); -} - -void helper_store_40x_dbcr0(target_ulong val) -{ - store_40x_dbcr0(env, val); -} - -void helper_store_40x_sler(target_ulong val) -{ - store_40x_sler(env, val); -} - -void helper_store_booke_tcr(target_ulong val) -{ - store_booke_tcr(env, val); -} - -void helper_store_booke_tsr(target_ulong val) -{ - store_booke_tsr(env, val); -} - -void helper_store_ibatu(uint32_t nr, target_ulong val) -{ - ppc_store_ibatu(env, nr, val); -} - -void helper_store_ibatl(uint32_t nr, target_ulong val) -{ - ppc_store_ibatl(env, nr, val); -} - -void helper_store_dbatu(uint32_t nr, target_ulong val) -{ - ppc_store_dbatu(env, nr, val); -} - -void helper_store_dbatl(uint32_t nr, target_ulong val) -{ - ppc_store_dbatl(env, nr, val); -} - -void helper_store_601_batl(uint32_t nr, target_ulong val) -{ - ppc_store_ibatl_601(env, nr, val); -} - -void helper_store_601_batu(uint32_t nr, target_ulong val) -{ - ppc_store_ibatu_601(env, nr, val); -} -#endif - -/*****************************************************************************/ -/* Memory load and stores */ - -static inline target_ulong addr_add(target_ulong addr, target_long arg) -{ -#if defined(TARGET_PPC64) - if (!msr_sf) { - return (uint32_t)(addr + arg); - } else -#endif - { - return addr + arg; - } -} - -void helper_lmw(target_ulong addr, uint32_t reg) -{ - for (; reg < 32; reg++) { - if (msr_le) { - env->gpr[reg] = bswap32(ldl(addr)); - } else { - env->gpr[reg] = ldl(addr); - } - addr = addr_add(addr, 4); - } -} - -void helper_stmw(target_ulong addr, uint32_t reg) -{ - for (; reg < 32; reg++) { - if (msr_le) { - stl(addr, bswap32((uint32_t)env->gpr[reg])); - } else { - stl(addr, (uint32_t)env->gpr[reg]); - } - addr = addr_add(addr, 4); - } -} - -void helper_lsw(target_ulong addr, uint32_t nb, uint32_t reg) -{ - int sh; - - for (; nb > 3; nb -= 4) { - env->gpr[reg] = ldl(addr); - reg = (reg + 1) % 32; - addr = addr_add(addr, 4); - } - if (unlikely(nb > 0)) { - env->gpr[reg] = 0; - for (sh = 24; nb > 0; nb--, sh -= 8) { - env->gpr[reg] |= ldub(addr) << sh; - addr = addr_add(addr, 1); - } - } -} -/* PPC32 specification says we must generate an exception if - * rA is in the range of registers to be loaded. - * In an other hand, IBM says this is valid, but rA won't be loaded. - * For now, I'll follow the spec... - */ -void helper_lswx(target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb) -{ - if (likely(xer_bc != 0)) { - if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) || - (reg < rb && (reg + xer_bc) > rb))) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | - POWERPC_EXCP_INVAL_LSWX); - } else { - helper_lsw(addr, xer_bc, reg); - } - } -} - -void helper_stsw(target_ulong addr, uint32_t nb, uint32_t reg) -{ - int sh; - - for (; nb > 3; nb -= 4) { - stl(addr, env->gpr[reg]); - reg = (reg + 1) % 32; - addr = addr_add(addr, 4); - } - if (unlikely(nb > 0)) { - for (sh = 24; nb > 0; nb--, sh -= 8) { - stb(addr, (env->gpr[reg] >> sh) & 0xFF); - addr = addr_add(addr, 1); - } - } -} - -static void do_dcbz(target_ulong addr, int dcache_line_size) -{ - int i; - - addr &= ~(dcache_line_size - 1); - for (i = 0; i < dcache_line_size; i += 4) { - stl(addr + i, 0); - } - if (env->reserve_addr == addr) { - env->reserve_addr = (target_ulong)-1ULL; - } -} - -void helper_dcbz(target_ulong addr) -{ - do_dcbz(addr, env->dcache_line_size); -} - -void helper_dcbz_970(target_ulong addr) -{ - if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) { - do_dcbz(addr, 32); - } else { - do_dcbz(addr, env->dcache_line_size); - } -} - -void helper_icbi(target_ulong addr) -{ - addr &= ~(env->dcache_line_size - 1); - /* Invalidate one cache line : - * PowerPC specification says this is to be treated like a load - * (not a fetch) by the MMU. To be sure it will be so, - * do the load "by hand". - */ - ldl(addr); -} - -/* XXX: to be tested */ -target_ulong helper_lscbx(target_ulong addr, uint32_t reg, uint32_t ra, - uint32_t rb) -{ - int i, c, d; - - d = 24; - for (i = 0; i < xer_bc; i++) { - c = ldub(addr); - addr = addr_add(addr, 1); - /* ra (if not 0) and rb are never modified */ - if (likely(reg != rb && (ra == 0 || reg != ra))) { - env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d); - } - if (unlikely(c == xer_cmp)) { - break; - } - if (likely(d != 0)) { - d -= 8; - } else { - d = 24; - reg++; - reg = reg & 0x1F; - } - } - return i; -} - /*****************************************************************************/ /* Fixed point operations helpers */ #if defined(TARGET_PPC64) @@ -548,35 +184,6 @@ target_ulong helper_popcntw(target_ulong val) /*****************************************************************************/ /* PowerPC 601 specific instructions (POWER bridge) */ - -target_ulong helper_clcs(uint32_t arg) -{ - switch (arg) { - case 0x0CUL: - /* Instruction cache line size */ - return env->icache_line_size; - break; - case 0x0DUL: - /* Data cache line size */ - return env->dcache_line_size; - break; - case 0x0EUL: - /* Minimum cache line size */ - return (env->icache_line_size < env->dcache_line_size) ? - env->icache_line_size : env->dcache_line_size; - break; - case 0x0FUL: - /* Maximum cache line size */ - return (env->icache_line_size > env->dcache_line_size) ? - env->icache_line_size : env->dcache_line_size; - break; - default: - /* Undefined */ - return 0; - break; - } -} - target_ulong helper_div(target_ulong arg1, target_ulong arg2) { uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; @@ -638,27 +245,6 @@ target_ulong helper_divso(target_ulong arg1, target_ulong arg2) } } -#if !defined(CONFIG_USER_ONLY) -target_ulong helper_rac(target_ulong addr) -{ - mmu_ctx_t ctx; - int nb_BATs; - target_ulong ret = 0; - - /* We don't have to generate many instances of this instruction, - * as rac is supervisor only. - */ - /* XXX: FIX THIS: Pretend we have no BAT */ - nb_BATs = env->nb_BATs; - env->nb_BATs = 0; - if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0) { - ret = ctx.raddr; - } - env->nb_BATs = nb_BATs; - return ret; -} -#endif - /*****************************************************************************/ /* 602 specific instructions */ /* mfrom is the most crazy instruction ever seen, imho ! */ @@ -680,80 +266,6 @@ target_ulong helper_602_mfrom(target_ulong arg) #endif /*****************************************************************************/ -/* Embedded PowerPC specific helpers */ - -/* XXX: to be improved to check access rights when in user-mode */ -target_ulong helper_load_dcr(target_ulong dcrn) -{ - uint32_t val = 0; - - if (unlikely(env->dcr_env == NULL)) { - qemu_log("No DCR environment\n"); - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | - POWERPC_EXCP_INVAL_INVAL); - } else if (unlikely(ppc_dcr_read(env->dcr_env, - (uint32_t)dcrn, &val) != 0)) { - qemu_log("DCR read error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); - } - return val; -} - -void helper_store_dcr(target_ulong dcrn, target_ulong val) -{ - if (unlikely(env->dcr_env == NULL)) { - qemu_log("No DCR environment\n"); - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | - POWERPC_EXCP_INVAL_INVAL); - } else if (unlikely(ppc_dcr_write(env->dcr_env, (uint32_t)dcrn, - (uint32_t)val) != 0)) { - qemu_log("DCR write error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); - } -} - -/* 440 specific */ -target_ulong helper_dlmzb(target_ulong high, target_ulong low, - uint32_t update_Rc) -{ - target_ulong mask; - int i; - - i = 1; - for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((high & mask) == 0) { - if (update_Rc) { - env->crf[0] = 0x4; - } - goto done; - } - i++; - } - for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { - if ((low & mask) == 0) { - if (update_Rc) { - env->crf[0] = 0x8; - } - goto done; - } - i++; - } - if (update_Rc) { - env->crf[0] = 0x2; - } - done: - env->xer = (env->xer & ~0x7F) | i; - if (update_Rc) { - env->crf[0] |= xer_so; - } - return i; -} - -/*****************************************************************************/ /* Altivec extension helpers */ #if defined(HOST_WORDS_BIGENDIAN) #define HI_IDX 0 @@ -831,29 +343,6 @@ SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) #undef SATCVT #undef SATCVTU -#define LVE(name, access, swap, element) \ - void helper_##name(ppc_avr_t *r, target_ulong addr) \ - { \ - size_t n_elems = ARRAY_SIZE(r->element); \ - int adjust = HI_IDX*(n_elems - 1); \ - int sh = sizeof(r->element[0]) >> 1; \ - int index = (addr & 0xf) >> sh; \ - \ - if (msr_le) { \ - r->element[LO_IDX ? index : (adjust - index)] = \ - swap(access(addr)); \ - } else { \ - r->element[LO_IDX ? index : (adjust - index)] = \ - access(addr); \ - } \ - } -#define I(x) (x) -LVE(lvebx, ldub, I, u8) -LVE(lvehx, lduw, bswap16, u16) -LVE(lvewx, ldl, bswap32, u32) -#undef I -#undef LVE - void helper_lvsl(ppc_avr_t *r, target_ulong sh) { int i, j = (sh & 0xf); @@ -872,27 +361,6 @@ void helper_lvsr(ppc_avr_t *r, target_ulong sh) } } -#define STVE(name, access, swap, element) \ - void helper_##name(ppc_avr_t *r, target_ulong addr) \ - { \ - size_t n_elems = ARRAY_SIZE(r->element); \ - int adjust = HI_IDX * (n_elems - 1); \ - int sh = sizeof(r->element[0]) >> 1; \ - int index = (addr & 0xf) >> sh; \ - \ - if (msr_le) { \ - access(addr, swap(r->element[LO_IDX ? index : (adjust - index)])); \ - } else { \ - access(addr, r->element[LO_IDX ? index : (adjust - index)]); \ - } \ - } -#define I(x) (x) -STVE(stvebx, stb, I, u8) -STVE(stvehx, stw, bswap16, u16) -STVE(stvewx, stl, bswap32, u32) -#undef I -#undef LVE - void helper_mtvscr(ppc_avr_t *r) { #if defined(HOST_WORDS_BIGENDIAN) @@ -2032,846 +1500,39 @@ uint32_t helper_cntlzw32(uint32_t val) return clz32(val); } -/*****************************************************************************/ -/* Softmmu support */ -#if !defined(CONFIG_USER_ONLY) - -#define MMUSUFFIX _mmu - -#define SHIFT 0 -#include "softmmu_template.h" - -#define SHIFT 1 -#include "softmmu_template.h" - -#define SHIFT 2 -#include "softmmu_template.h" - -#define SHIFT 3 -#include "softmmu_template.h" - -/* try to fill the TLB and return an exception if error. If retaddr is - NULL, it means that the function was called in C code (i.e. not - from generated code or from helper.c) */ -/* XXX: fix it to restore all registers */ -void tlb_fill(CPUPPCState *env1, target_ulong addr, int is_write, int mmu_idx, - uintptr_t retaddr) -{ - TranslationBlock *tb; - CPUPPCState *saved_env; - int ret; - - saved_env = env; - env = env1; - ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx); - if (unlikely(ret != 0)) { - if (likely(retaddr)) { - /* now we have a real cpu fault */ - tb = tb_find_pc(retaddr); - if (likely(tb)) { - /* the PC is inside the translated code. It means that we have - a virtual CPU fault */ - cpu_restore_state(tb, env, retaddr); - } - } - helper_raise_exception_err(env, env->exception_index, env->error_code); - } - env = saved_env; -} - -/* Segment registers load and store */ -target_ulong helper_load_sr(target_ulong sr_num) -{ -#if defined(TARGET_PPC64) - if (env->mmu_model & POWERPC_MMU_64) { - return ppc_load_sr(env, sr_num); - } -#endif - return env->sr[sr_num]; -} - -void helper_store_sr(target_ulong sr_num, target_ulong val) -{ - ppc_store_sr(env, sr_num, val); -} - -/* SLB management */ -#if defined(TARGET_PPC64) -void helper_store_slb(target_ulong rb, target_ulong rs) -{ - if (ppc_store_slb(env, rb, rs) < 0) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL); - } -} - -target_ulong helper_load_slb_esid(target_ulong rb) -{ - target_ulong rt; - - if (ppc_load_slb_esid(env, rb, &rt) < 0) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL); - } - return rt; -} - -target_ulong helper_load_slb_vsid(target_ulong rb) -{ - target_ulong rt; - - if (ppc_load_slb_vsid(env, rb, &rt) < 0) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL); - } - return rt; -} - -void helper_slbia(void) -{ - ppc_slb_invalidate_all(env); -} - -void helper_slbie(target_ulong addr) -{ - ppc_slb_invalidate_one(env, addr); -} - -#endif /* defined(TARGET_PPC64) */ - -/* TLB management */ -void helper_tlbia(void) -{ - ppc_tlb_invalidate_all(env); -} - -void helper_tlbie(target_ulong addr) -{ - ppc_tlb_invalidate_one(env, addr); -} - -/* Software driven TLBs management */ -/* PowerPC 602/603 software TLB load instructions helpers */ -static void do_6xx_tlb(target_ulong new_EPN, int is_code) -{ - target_ulong RPN, CMP, EPN; - int way; - - RPN = env->spr[SPR_RPA]; - if (is_code) { - CMP = env->spr[SPR_ICMP]; - EPN = env->spr[SPR_IMISS]; - } else { - CMP = env->spr[SPR_DCMP]; - EPN = env->spr[SPR_DMISS]; - } - way = (env->spr[SPR_SRR1] >> 17) & 1; - (void)EPN; /* avoid a compiler warning */ - LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx - " PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP, - RPN, way); - /* Store this TLB */ - ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK), - way, is_code, CMP, RPN); -} - -void helper_6xx_tlbd(target_ulong EPN) -{ - do_6xx_tlb(EPN, 0); -} - -void helper_6xx_tlbi(target_ulong EPN) -{ - do_6xx_tlb(EPN, 1); -} - -/* PowerPC 74xx software TLB load instructions helpers */ -static void do_74xx_tlb(target_ulong new_EPN, int is_code) -{ - target_ulong RPN, CMP, EPN; - int way; - - RPN = env->spr[SPR_PTELO]; - CMP = env->spr[SPR_PTEHI]; - EPN = env->spr[SPR_TLBMISS] & ~0x3; - way = env->spr[SPR_TLBMISS] & 0x3; - (void)EPN; /* avoid a compiler warning */ - LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx - " PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP, - RPN, way); - /* Store this TLB */ - ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK), - way, is_code, CMP, RPN); -} - -void helper_74xx_tlbd(target_ulong EPN) -{ - do_74xx_tlb(EPN, 0); -} - -void helper_74xx_tlbi(target_ulong EPN) -{ - do_74xx_tlb(EPN, 1); -} - -static inline target_ulong booke_tlb_to_page_size(int size) -{ - return 1024 << (2 * size); -} - -static inline int booke_page_size_to_tlb(target_ulong page_size) -{ - int size; - - switch (page_size) { - case 0x00000400UL: - size = 0x0; - break; - case 0x00001000UL: - size = 0x1; - break; - case 0x00004000UL: - size = 0x2; - break; - case 0x00010000UL: - size = 0x3; - break; - case 0x00040000UL: - size = 0x4; - break; - case 0x00100000UL: - size = 0x5; - break; - case 0x00400000UL: - size = 0x6; - break; - case 0x01000000UL: - size = 0x7; - break; - case 0x04000000UL: - size = 0x8; - break; - case 0x10000000UL: - size = 0x9; - break; - case 0x40000000UL: - size = 0xA; - break; -#if defined(TARGET_PPC64) - case 0x000100000000ULL: - size = 0xB; - break; - case 0x000400000000ULL: - size = 0xC; - break; - case 0x001000000000ULL: - size = 0xD; - break; - case 0x004000000000ULL: - size = 0xE; - break; - case 0x010000000000ULL: - size = 0xF; - break; -#endif - default: - size = -1; - break; - } - - return size; -} - -/* Helpers for 4xx TLB management */ -#define PPC4XX_TLB_ENTRY_MASK 0x0000003f /* Mask for 64 TLB entries */ - -#define PPC4XX_TLBHI_V 0x00000040 -#define PPC4XX_TLBHI_E 0x00000020 -#define PPC4XX_TLBHI_SIZE_MIN 0 -#define PPC4XX_TLBHI_SIZE_MAX 7 -#define PPC4XX_TLBHI_SIZE_DEFAULT 1 -#define PPC4XX_TLBHI_SIZE_SHIFT 7 -#define PPC4XX_TLBHI_SIZE_MASK 0x00000007 - -#define PPC4XX_TLBLO_EX 0x00000200 -#define PPC4XX_TLBLO_WR 0x00000100 -#define PPC4XX_TLBLO_ATTR_MASK 0x000000FF -#define PPC4XX_TLBLO_RPN_MASK 0xFFFFFC00 - -target_ulong helper_4xx_tlbre_hi(target_ulong entry) -{ - ppcemb_tlb_t *tlb; - target_ulong ret; - int size; - - entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb.tlbe[entry]; - ret = tlb->EPN; - if (tlb->prot & PAGE_VALID) { - ret |= PPC4XX_TLBHI_V; - } - size = booke_page_size_to_tlb(tlb->size); - if (size < PPC4XX_TLBHI_SIZE_MIN || size > PPC4XX_TLBHI_SIZE_MAX) { - size = PPC4XX_TLBHI_SIZE_DEFAULT; - } - ret |= size << PPC4XX_TLBHI_SIZE_SHIFT; - env->spr[SPR_40x_PID] = tlb->PID; - return ret; -} - -target_ulong helper_4xx_tlbre_lo(target_ulong entry) -{ - ppcemb_tlb_t *tlb; - target_ulong ret; - - entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb.tlbe[entry]; - ret = tlb->RPN; - if (tlb->prot & PAGE_EXEC) { - ret |= PPC4XX_TLBLO_EX; - } - if (tlb->prot & PAGE_WRITE) { - ret |= PPC4XX_TLBLO_WR; - } - return ret; -} - -void helper_4xx_tlbwe_hi(target_ulong entry, target_ulong val) -{ - ppcemb_tlb_t *tlb; - target_ulong page, end; - - LOG_SWTLB("%s entry %d val " TARGET_FMT_lx "\n", __func__, (int)entry, - val); - entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb.tlbe[entry]; - /* Invalidate previous TLB (if it's valid) */ - if (tlb->prot & PAGE_VALID) { - end = tlb->EPN + tlb->size; - LOG_SWTLB("%s: invalidate old TLB %d start " TARGET_FMT_lx " end " - TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end); - for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) { - tlb_flush_page(env, page); - } - } - tlb->size = booke_tlb_to_page_size((val >> PPC4XX_TLBHI_SIZE_SHIFT) - & PPC4XX_TLBHI_SIZE_MASK); - /* We cannot handle TLB size < TARGET_PAGE_SIZE. - * If this ever occurs, one should use the ppcemb target instead - * of the ppc or ppc64 one - */ - if ((val & PPC4XX_TLBHI_V) && tlb->size < TARGET_PAGE_SIZE) { - cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u " - "are not supported (%d)\n", - tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7)); - } - tlb->EPN = val & ~(tlb->size - 1); - if (val & PPC4XX_TLBHI_V) { - tlb->prot |= PAGE_VALID; - if (val & PPC4XX_TLBHI_E) { - /* XXX: TO BE FIXED */ - cpu_abort(env, - "Little-endian TLB entries are not supported by now\n"); - } - } else { - tlb->prot &= ~PAGE_VALID; - } - tlb->PID = env->spr[SPR_40x_PID]; /* PID */ - LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx - " size " TARGET_FMT_lx " prot %c%c%c%c PID %d\n", __func__, - (int)entry, tlb->RPN, tlb->EPN, tlb->size, - tlb->prot & PAGE_READ ? 'r' : '-', - tlb->prot & PAGE_WRITE ? 'w' : '-', - tlb->prot & PAGE_EXEC ? 'x' : '-', - tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); - /* Invalidate new TLB (if valid) */ - if (tlb->prot & PAGE_VALID) { - end = tlb->EPN + tlb->size; - LOG_SWTLB("%s: invalidate TLB %d start " TARGET_FMT_lx " end " - TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end); - for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) { - tlb_flush_page(env, page); - } - } -} - -void helper_4xx_tlbwe_lo(target_ulong entry, target_ulong val) -{ - ppcemb_tlb_t *tlb; - - LOG_SWTLB("%s entry %i val " TARGET_FMT_lx "\n", __func__, (int)entry, - val); - entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb.tlbe[entry]; - tlb->attr = val & PPC4XX_TLBLO_ATTR_MASK; - tlb->RPN = val & PPC4XX_TLBLO_RPN_MASK; - tlb->prot = PAGE_READ; - if (val & PPC4XX_TLBLO_EX) { - tlb->prot |= PAGE_EXEC; - } - if (val & PPC4XX_TLBLO_WR) { - tlb->prot |= PAGE_WRITE; - } - LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx - " size " TARGET_FMT_lx " prot %c%c%c%c PID %d\n", __func__, - (int)entry, tlb->RPN, tlb->EPN, tlb->size, - tlb->prot & PAGE_READ ? 'r' : '-', - tlb->prot & PAGE_WRITE ? 'w' : '-', - tlb->prot & PAGE_EXEC ? 'x' : '-', - tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); -} - -target_ulong helper_4xx_tlbsx(target_ulong address) -{ - return ppcemb_tlb_search(env, address, env->spr[SPR_40x_PID]); -} - -/* PowerPC 440 TLB management */ -void helper_440_tlbwe(uint32_t word, target_ulong entry, target_ulong value) -{ - ppcemb_tlb_t *tlb; - target_ulong EPN, RPN, size; - int do_flush_tlbs; - - LOG_SWTLB("%s word %d entry %d value " TARGET_FMT_lx "\n", - __func__, word, (int)entry, value); - do_flush_tlbs = 0; - entry &= 0x3F; - tlb = &env->tlb.tlbe[entry]; - switch (word) { - default: - /* Just here to please gcc */ - case 0: - EPN = value & 0xFFFFFC00; - if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN) { - do_flush_tlbs = 1; - } - tlb->EPN = EPN; - size = booke_tlb_to_page_size((value >> 4) & 0xF); - if ((tlb->prot & PAGE_VALID) && tlb->size < size) { - do_flush_tlbs = 1; - } - tlb->size = size; - tlb->attr &= ~0x1; - tlb->attr |= (value >> 8) & 1; - if (value & 0x200) { - tlb->prot |= PAGE_VALID; - } else { - if (tlb->prot & PAGE_VALID) { - tlb->prot &= ~PAGE_VALID; - do_flush_tlbs = 1; - } - } - tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF; - if (do_flush_tlbs) { - tlb_flush(env, 1); - } - break; - case 1: - RPN = value & 0xFFFFFC0F; - if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN) { - tlb_flush(env, 1); - } - tlb->RPN = RPN; - break; - case 2: - tlb->attr = (tlb->attr & 0x1) | (value & 0x0000FF00); - tlb->prot = tlb->prot & PAGE_VALID; - if (value & 0x1) { - tlb->prot |= PAGE_READ << 4; - } - if (value & 0x2) { - tlb->prot |= PAGE_WRITE << 4; - } - if (value & 0x4) { - tlb->prot |= PAGE_EXEC << 4; - } - if (value & 0x8) { - tlb->prot |= PAGE_READ; - } - if (value & 0x10) { - tlb->prot |= PAGE_WRITE; - } - if (value & 0x20) { - tlb->prot |= PAGE_EXEC; - } - break; - } -} - -target_ulong helper_440_tlbre(uint32_t word, target_ulong entry) -{ - ppcemb_tlb_t *tlb; - target_ulong ret; - int size; - - entry &= 0x3F; - tlb = &env->tlb.tlbe[entry]; - switch (word) { - default: - /* Just here to please gcc */ - case 0: - ret = tlb->EPN; - size = booke_page_size_to_tlb(tlb->size); - if (size < 0 || size > 0xF) { - size = 1; - } - ret |= size << 4; - if (tlb->attr & 0x1) { - ret |= 0x100; - } - if (tlb->prot & PAGE_VALID) { - ret |= 0x200; - } - env->spr[SPR_440_MMUCR] &= ~0x000000FF; - env->spr[SPR_440_MMUCR] |= tlb->PID; - break; - case 1: - ret = tlb->RPN; - break; - case 2: - ret = tlb->attr & ~0x1; - if (tlb->prot & (PAGE_READ << 4)) { - ret |= 0x1; - } - if (tlb->prot & (PAGE_WRITE << 4)) { - ret |= 0x2; - } - if (tlb->prot & (PAGE_EXEC << 4)) { - ret |= 0x4; - } - if (tlb->prot & PAGE_READ) { - ret |= 0x8; - } - if (tlb->prot & PAGE_WRITE) { - ret |= 0x10; - } - if (tlb->prot & PAGE_EXEC) { - ret |= 0x20; - } - break; - } - return ret; -} - -target_ulong helper_440_tlbsx(target_ulong address) -{ - return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF); -} - -/* PowerPC BookE 2.06 TLB management */ - -static ppcmas_tlb_t *booke206_cur_tlb(CPUPPCState *env) -{ - uint32_t tlbncfg = 0; - int esel = (env->spr[SPR_BOOKE_MAS0] & MAS0_ESEL_MASK) >> MAS0_ESEL_SHIFT; - int ea = (env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK); - int tlb; - - tlb = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT; - tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlb]; - - if ((tlbncfg & TLBnCFG_HES) && (env->spr[SPR_BOOKE_MAS0] & MAS0_HES)) { - cpu_abort(env, "we don't support HES yet\n"); - } - - return booke206_get_tlbm(env, tlb, ea, esel); -} - -void helper_booke_setpid(uint32_t pidn, target_ulong pid) -{ - env->spr[pidn] = pid; - /* changing PIDs mean we're in a different address space now */ - tlb_flush(env, 1); -} - -void helper_booke206_tlbwe(void) -{ - uint32_t tlbncfg, tlbn; - ppcmas_tlb_t *tlb; - uint32_t size_tlb, size_ps; - - switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) { - case MAS0_WQ_ALWAYS: - /* good to go, write that entry */ - break; - case MAS0_WQ_COND: - /* XXX check if reserved */ - if (0) { - return; - } - break; - case MAS0_WQ_CLR_RSRV: - /* XXX clear entry */ - return; - default: - /* no idea what to do */ - return; - } - - if (((env->spr[SPR_BOOKE_MAS0] & MAS0_ATSEL) == MAS0_ATSEL_LRAT) && - !msr_gs) { - /* XXX we don't support direct LRAT setting yet */ - fprintf(stderr, "cpu: don't support LRAT setting yet\n"); - return; - } - - tlbn = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT; - tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn]; - - tlb = booke206_cur_tlb(env); - - if (!tlb) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | - POWERPC_EXCP_INVAL_INVAL); - } - - /* check that we support the targeted size */ - size_tlb = (env->spr[SPR_BOOKE_MAS1] & MAS1_TSIZE_MASK) >> MAS1_TSIZE_SHIFT; - size_ps = booke206_tlbnps(env, tlbn); - if ((env->spr[SPR_BOOKE_MAS1] & MAS1_VALID) && (tlbncfg & TLBnCFG_AVAIL) && - !(size_ps & (1 << size_tlb))) { - helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, - POWERPC_EXCP_INVAL | - POWERPC_EXCP_INVAL_INVAL); - } - - if (msr_gs) { - cpu_abort(env, "missing HV implementation\n"); - } - tlb->mas7_3 = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) | - env->spr[SPR_BOOKE_MAS3]; - tlb->mas1 = env->spr[SPR_BOOKE_MAS1]; - - /* MAV 1.0 only */ - if (!(tlbncfg & TLBnCFG_AVAIL)) { - /* force !AVAIL TLB entries to correct page size */ - tlb->mas1 &= ~MAS1_TSIZE_MASK; - /* XXX can be configured in MMUCSR0 */ - tlb->mas1 |= (tlbncfg & TLBnCFG_MINSIZE) >> 12; - } - - /* XXX needs to change when supporting 64-bit e500 */ - tlb->mas2 = env->spr[SPR_BOOKE_MAS2] & 0xffffffff; - - if (!(tlbncfg & TLBnCFG_IPROT)) { - /* no IPROT supported by TLB */ - tlb->mas1 &= ~MAS1_IPROT; - } - - if (booke206_tlb_to_page_size(env, tlb) == TARGET_PAGE_SIZE) { - tlb_flush_page(env, tlb->mas2 & MAS2_EPN_MASK); - } else { - tlb_flush(env, 1); - } -} - -static inline void booke206_tlb_to_mas(CPUPPCState *env, ppcmas_tlb_t *tlb) -{ - int tlbn = booke206_tlbm_to_tlbn(env, tlb); - int way = booke206_tlbm_to_way(env, tlb); - - env->spr[SPR_BOOKE_MAS0] = tlbn << MAS0_TLBSEL_SHIFT; - env->spr[SPR_BOOKE_MAS0] |= way << MAS0_ESEL_SHIFT; - env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; - - env->spr[SPR_BOOKE_MAS1] = tlb->mas1; - env->spr[SPR_BOOKE_MAS2] = tlb->mas2; - env->spr[SPR_BOOKE_MAS3] = tlb->mas7_3; - env->spr[SPR_BOOKE_MAS7] = tlb->mas7_3 >> 32; -} - -void helper_booke206_tlbre(void) -{ - ppcmas_tlb_t *tlb = NULL; - - tlb = booke206_cur_tlb(env); - if (!tlb) { - env->spr[SPR_BOOKE_MAS1] = 0; - } else { - booke206_tlb_to_mas(env, tlb); - } -} - -void helper_booke206_tlbsx(target_ulong address) -{ - ppcmas_tlb_t *tlb = NULL; - int i, j; - target_phys_addr_t raddr; - uint32_t spid, sas; - - spid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID_MASK) >> MAS6_SPID_SHIFT; - sas = env->spr[SPR_BOOKE_MAS6] & MAS6_SAS; - - for (i = 0; i < BOOKE206_MAX_TLBN; i++) { - int ways = booke206_tlb_ways(env, i); - - for (j = 0; j < ways; j++) { - tlb = booke206_get_tlbm(env, i, address, j); - - if (!tlb) { - continue; - } - - if (ppcmas_tlb_check(env, tlb, &raddr, address, spid)) { - continue; - } - - if (sas != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) { - continue; - } - - booke206_tlb_to_mas(env, tlb); - return; - } - } - - /* no entry found, fill with defaults */ - env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK; - env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK; - env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK; - env->spr[SPR_BOOKE_MAS3] = 0; - env->spr[SPR_BOOKE_MAS7] = 0; - - if (env->spr[SPR_BOOKE_MAS6] & MAS6_SAS) { - env->spr[SPR_BOOKE_MAS1] |= MAS1_TS; - } - - env->spr[SPR_BOOKE_MAS1] |= (env->spr[SPR_BOOKE_MAS6] >> 16) - << MAS1_TID_SHIFT; - - /* next victim logic */ - env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT; - env->last_way++; - env->last_way &= booke206_tlb_ways(env, 0) - 1; - env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; -} - -static inline void booke206_invalidate_ea_tlb(CPUPPCState *env, int tlbn, - uint32_t ea) +/* 440 specific */ +target_ulong helper_dlmzb(target_ulong high, target_ulong low, + uint32_t update_Rc) { - int i; - int ways = booke206_tlb_ways(env, tlbn); target_ulong mask; + int i; - for (i = 0; i < ways; i++) { - ppcmas_tlb_t *tlb = booke206_get_tlbm(env, tlbn, ea, i); - if (!tlb) { - continue; - } - mask = ~(booke206_tlb_to_page_size(env, tlb) - 1); - if (((tlb->mas2 & MAS2_EPN_MASK) == (ea & mask)) && - !(tlb->mas1 & MAS1_IPROT)) { - tlb->mas1 &= ~MAS1_VALID; - } - } -} - -void helper_booke206_tlbivax(target_ulong address) -{ - if (address & 0x4) { - /* flush all entries */ - if (address & 0x8) { - /* flush all of TLB1 */ - booke206_flush_tlb(env, BOOKE206_FLUSH_TLB1, 1); - } else { - /* flush all of TLB0 */ - booke206_flush_tlb(env, BOOKE206_FLUSH_TLB0, 0); - } - return; - } - - if (address & 0x8) { - /* flush TLB1 entries */ - booke206_invalidate_ea_tlb(env, 1, address); - tlb_flush(env, 1); - } else { - /* flush TLB0 entries */ - booke206_invalidate_ea_tlb(env, 0, address); - tlb_flush_page(env, address & MAS2_EPN_MASK); - } -} - -void helper_booke206_tlbilx0(target_ulong address) -{ - /* XXX missing LPID handling */ - booke206_flush_tlb(env, -1, 1); -} - -void helper_booke206_tlbilx1(target_ulong address) -{ - int i, j; - int tid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID); - ppcmas_tlb_t *tlb = env->tlb.tlbm; - int tlb_size; - - /* XXX missing LPID handling */ - for (i = 0; i < BOOKE206_MAX_TLBN; i++) { - tlb_size = booke206_tlb_size(env, i); - for (j = 0; j < tlb_size; j++) { - if (!(tlb[j].mas1 & MAS1_IPROT) && - ((tlb[j].mas1 & MAS1_TID_MASK) == tid)) { - tlb[j].mas1 &= ~MAS1_VALID; + i = 1; + for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { + if ((high & mask) == 0) { + if (update_Rc) { + env->crf[0] = 0x4; } + goto done; } - tlb += booke206_tlb_size(env, i); + i++; } - tlb_flush(env, 1); -} - -void helper_booke206_tlbilx3(target_ulong address) -{ - int i, j; - ppcmas_tlb_t *tlb; - int tid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID); - int pid = tid >> MAS6_SPID_SHIFT; - int sgs = env->spr[SPR_BOOKE_MAS5] & MAS5_SGS; - int ind = (env->spr[SPR_BOOKE_MAS6] & MAS6_SIND) ? MAS1_IND : 0; - /* XXX check for unsupported isize and raise an invalid opcode then */ - int size = env->spr[SPR_BOOKE_MAS6] & MAS6_ISIZE_MASK; - /* XXX implement MAV2 handling */ - bool mav2 = false; - - /* XXX missing LPID handling */ - /* flush by pid and ea */ - for (i = 0; i < BOOKE206_MAX_TLBN; i++) { - int ways = booke206_tlb_ways(env, i); - - for (j = 0; j < ways; j++) { - tlb = booke206_get_tlbm(env, i, address, j); - if (!tlb) { - continue; - } - if ((ppcmas_tlb_check(env, tlb, NULL, address, pid) != 0) || - (tlb->mas1 & MAS1_IPROT) || - ((tlb->mas1 & MAS1_IND) != ind) || - ((tlb->mas8 & MAS8_TGS) != sgs)) { - continue; - } - if (mav2 && ((tlb->mas1 & MAS1_TSIZE_MASK) != size)) { - /* XXX only check when MMUCFG[TWC] || TLBnCFG[HES] */ - continue; + for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { + if ((low & mask) == 0) { + if (update_Rc) { + env->crf[0] = 0x8; } - /* XXX e500mc doesn't match SAS, but other cores might */ - tlb->mas1 &= ~MAS1_VALID; + goto done; } + i++; } - tlb_flush(env, 1); -} - -void helper_booke206_tlbflush(uint32_t type) -{ - int flags = 0; - - if (type & 2) { - flags |= BOOKE206_FLUSH_TLB1; + if (update_Rc) { + env->crf[0] = 0x2; } - - if (type & 4) { - flags |= BOOKE206_FLUSH_TLB0; + done: + env->xer = (env->xer & ~0x7F) | i; + if (update_Rc) { + env->crf[0] |= xer_so; } - - booke206_flush_tlb(env, flags, 1); + return i; } -#endif /* !CONFIG_USER_ONLY */ diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 3f677f6..55b9e9d 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -387,166 +387,6 @@ target_ulong helper_lscbx(target_ulong addr, uint32_t reg, uint32_t ra, } /*****************************************************************************/ -/* Fixed point operations helpers */ -#if defined(TARGET_PPC64) - -/* multiply high word */ -uint64_t helper_mulhd(uint64_t arg1, uint64_t arg2) -{ - uint64_t tl, th; - - muls64(&tl, &th, arg1, arg2); - return th; -} - -/* multiply high word unsigned */ -uint64_t helper_mulhdu(uint64_t arg1, uint64_t arg2) -{ - uint64_t tl, th; - - mulu64(&tl, &th, arg1, arg2); - return th; -} - -uint64_t helper_mulldo(uint64_t arg1, uint64_t arg2) -{ - int64_t th; - uint64_t tl; - - muls64(&tl, (uint64_t *)&th, arg1, arg2); - /* If th != 0 && th != -1, then we had an overflow */ - if (likely((uint64_t)(th + 1) <= 1)) { - env->xer &= ~(1 << XER_OV); - } else { - env->xer |= (1 << XER_OV) | (1 << XER_SO); - } - return (int64_t)tl; -} -#endif - -target_ulong helper_cntlzw(target_ulong t) -{ - return clz32(t); -} - -#if defined(TARGET_PPC64) -target_ulong helper_cntlzd(target_ulong t) -{ - return clz64(t); -} -#endif - -/* shift right arithmetic helper */ -target_ulong helper_sraw(target_ulong value, target_ulong shift) -{ - int32_t ret; - - if (likely(!(shift & 0x20))) { - if (likely((uint32_t)shift != 0)) { - shift &= 0x1f; - ret = (int32_t)value >> shift; - if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { - env->xer &= ~(1 << XER_CA); - } else { - env->xer |= (1 << XER_CA); - } - } else { - ret = (int32_t)value; - env->xer &= ~(1 << XER_CA); - } - } else { - ret = (int32_t)value >> 31; - if (ret) { - env->xer |= (1 << XER_CA); - } else { - env->xer &= ~(1 << XER_CA); - } - } - return (target_long)ret; -} - -#if defined(TARGET_PPC64) -target_ulong helper_srad(target_ulong value, target_ulong shift) -{ - int64_t ret; - - if (likely(!(shift & 0x40))) { - if (likely((uint64_t)shift != 0)) { - shift &= 0x3f; - ret = (int64_t)value >> shift; - if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { - env->xer &= ~(1 << XER_CA); - } else { - env->xer |= (1 << XER_CA); - } - } else { - ret = (int64_t)value; - env->xer &= ~(1 << XER_CA); - } - } else { - ret = (int64_t)value >> 63; - if (ret) { - env->xer |= (1 << XER_CA); - } else { - env->xer &= ~(1 << XER_CA); - } - } - return ret; -} -#endif - -#if defined(TARGET_PPC64) -target_ulong helper_popcntb(target_ulong val) -{ - val = (val & 0x5555555555555555ULL) + ((val >> 1) & - 0x5555555555555555ULL); - val = (val & 0x3333333333333333ULL) + ((val >> 2) & - 0x3333333333333333ULL); - val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & - 0x0f0f0f0f0f0f0f0fULL); - return val; -} - -target_ulong helper_popcntw(target_ulong val) -{ - val = (val & 0x5555555555555555ULL) + ((val >> 1) & - 0x5555555555555555ULL); - val = (val & 0x3333333333333333ULL) + ((val >> 2) & - 0x3333333333333333ULL); - val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & - 0x0f0f0f0f0f0f0f0fULL); - val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & - 0x00ff00ff00ff00ffULL); - val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & - 0x0000ffff0000ffffULL); - return val; -} - -target_ulong helper_popcntd(target_ulong val) -{ - return ctpop64(val); -} -#else -target_ulong helper_popcntb(target_ulong val) -{ - val = (val & 0x55555555) + ((val >> 1) & 0x55555555); - val = (val & 0x33333333) + ((val >> 2) & 0x33333333); - val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); - return val; -} - -target_ulong helper_popcntw(target_ulong val) -{ - val = (val & 0x55555555) + ((val >> 1) & 0x55555555); - val = (val & 0x33333333) + ((val >> 2) & 0x33333333); - val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); - val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff); - val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff); - return val; -} -#endif - -/*****************************************************************************/ /* PowerPC 601 specific instructions (POWER bridge) */