From 10044b92f0ba0b44771b5319a82ecabf177ebf8f Mon Sep 17 00:00:00 2001
Message-Id: <10044b92f0ba0b44771b5319a82ecabf177ebf8f.1308489625.git.blauwirbel@gmail.com>
From: Blue Swirl <blauwirbel@gmail.com>
Date: Sat, 18 Jun 2011 20:27:05 +0000
Subject: [PATCH] Sparc32: dummy implementation of MXCC MMU breakpoint registers
Add dummy registers for SuperSPARC MXCC MMU counter breakpoints, save
and load all MXCC registers.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
target-sparc/cpu.h | 4 +++-
target-sparc/machine.c | 26 ++++++++++++++++++++++++++
target-sparc/op_helper.c | 26 ++++++++++++++++++++++++--
3 files changed, 53 insertions(+), 3 deletions(-)
@@ -403,6 +403,8 @@ typedef struct CPUSPARCState {
uint32_t mmuregs[32];
uint64_t mxccdata[4];
uint64_t mxccregs[8];
+ uint32_t mmubpctrv, mmubpctrc, mmubpctrs;
+ uint64_t mmubpaction;
uint64_t mmubpregs[4];
uint64_t prom_addr;
#endif
@@ -521,7 +523,7 @@ int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
#define cpu_signal_handler cpu_sparc_signal_handler
#define cpu_list sparc_cpu_list
-#define CPU_SAVE_VERSION 6
+#define CPU_SAVE_VERSION 7
/* MMU modes definitions */
#if defined (TARGET_SPARC64)
@@ -45,6 +45,19 @@ void cpu_save(QEMUFile *f, void *opaque)
/* MMU */
for (i = 0; i < 32; i++)
qemu_put_be32s(f, &env->mmuregs[i]);
+ for (i = 0; i < 4; i++) {
+ qemu_put_be64s(f, &env->mxccdata[i]);
+ }
+ for (i = 0; i < 8; i++) {
+ qemu_put_be64s(f, &env->mxccregs[i]);
+ }
+ qemu_put_be32s(f, &env->mmubpctrv);
+ qemu_put_be32s(f, &env->mmubpctrc);
+ qemu_put_be32s(f, &env->mmubpctrs);
+ qemu_put_be64s(f, &env->mmubpaction);
+ for (i = 0; i < 4; i++) {
+ qemu_put_be64s(f, &env->mmubpregs[i]);
+ }
#else
qemu_put_be64s(f, &env->lsu);
for (i = 0; i < 16; i++) {
@@ -141,6 +154,19 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
/* MMU */
for (i = 0; i < 32; i++)
qemu_get_be32s(f, &env->mmuregs[i]);
+ for (i = 0; i < 4; i++) {
+ qemu_get_be64s(f, &env->mxccdata[i]);
+ }
+ for (i = 0; i < 8; i++) {
+ qemu_get_be64s(f, &env->mxccregs[i]);
+ }
+ qemu_get_be32s(f, &env->mmubpctrv);
+ qemu_get_be32s(f, &env->mmubpctrc);
+ qemu_get_be32s(f, &env->mmubpctrs);
+ qemu_get_be64s(f, &env->mmubpaction);
+ for (i = 0; i < 4; i++) {
+ qemu_get_be64s(f, &env->mmubpregs[i]);
+ }
#else
qemu_get_be64s(f, &env->lsu);
for (i = 0; i < 16; i++) {
@@ -1940,7 +1940,6 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
case 0x31: // Turbosparc RAM snoop
case 0x32: // Turbosparc page table descriptor diagnostic
case 0x39: /* data cache diagnostic register */
- case 0x4c: /* SuperSPARC MMU Breakpoint Action register */
ret = 0;
break;
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
@@ -1966,6 +1965,18 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
ret);
}
break;
+ case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
+ ret = env->mmubpctrv;
+ break;
+ case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
+ ret = env->mmubpctrc;
+ break;
+ case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
+ ret = env->mmubpctrs;
+ break;
+ case 0x4c: /* SuperSPARC MMU Breakpoint Action */
+ ret = env->mmubpaction;
+ break;
case 8: /* User code access, XXX */
default:
do_unassigned_access(addr, 0, 0, asi, size);
@@ -2304,7 +2315,6 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
// descriptor diagnostic
case 0x36: /* I-cache flash clear */
case 0x37: /* D-cache flash clear */
- case 0x4c: /* breakpoint action */
break;
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
{
@@ -2328,6 +2338,18 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
env->mmuregs[reg]);
}
break;
+ case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
+ env->mmubpctrv = val & 0xffffffff;
+ break;
+ case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
+ env->mmubpctrc = val & 0x3;
+ break;
+ case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
+ env->mmubpctrs = val & 0x3;
+ break;
+ case 0x4c: /* SuperSPARC MMU Breakpoint Action */
+ env->mmubpaction = val & 0x1fff;
+ break;
case 8: /* User code access, XXX */
case 9: /* Supervisor code access, XXX */
default:
--
1.7.2.5
Add dummy registers for SuperSPARC MXCC MMU counter breakpoints, save and load all MXCC registers. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> --- v2: add save/load for all MXCC registers, fix width of breakpoint action register target-sparc/cpu.h | 4 +++- target-sparc/machine.c | 26 ++++++++++++++++++++++++++ target-sparc/op_helper.c | 26 ++++++++++++++++++++++++-- 3 files changed, 53 insertions(+), 3 deletions(-) case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ @@ -1966,6 +1965,18 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) ret); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + ret = env->mmubpctrv; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + ret = env->mmubpctrc; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + ret = env->mmubpctrs; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + ret = env->mmubpaction; + break; case 8: /* User code access, XXX */ default: do_unassigned_access(addr, 0, 0, asi, size); @@ -2304,7 +2315,6 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) // descriptor diagnostic case 0x36: /* I-cache flash clear */ case 0x37: /* D-cache flash clear */ - case 0x4c: /* breakpoint action */ break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ { @@ -2328,6 +2338,18 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) env->mmuregs[reg]); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + env->mmubpctrv = val & 0xffffffff; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + env->mmubpctrc = val & 0x3; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + env->mmubpctrs = val & 0x3; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + env->mmubpaction = val & 0x1fff; + break; case 8: /* User code access, XXX */ case 9: /* Supervisor code access, XXX */ default: