diff mbox series

[24/38] target/hppa: Implement LDWA

Message ID 20171229063145.29167-25-richard.henderson@linaro.org
State New
Headers show
Series Add hppa-softmmu | expand

Commit Message

Richard Henderson Dec. 29, 2017, 6:31 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/translate.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
diff mbox series

Patch

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 2c3c582913..ef953cd1d5 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -2945,12 +2945,50 @@  static DisasJumpType trans_stby(DisasContext *ctx, uint32_t insn,
     return nullify_end(ctx, DISAS_NEXT);
 }
 
+#ifndef CONFIG_USER_ONLY
+static DisasJumpType trans_ldwa_idx_i(DisasContext *ctx, uint32_t insn,
+                                      const DisasInsn *di)
+{
+    int hold_mmu_idx = ctx->mmu_idx;
+    DisasJumpType ret;
+
+    CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+
+    /* ??? needs fixing for hppa64 -- ldda does not follow the same
+       format wrt the sub-opcode in bits 6:9.  */
+    ctx->mmu_idx = MMU_PHYS_IDX;
+    ret = trans_ld_idx_i(ctx, insn, di);
+    ctx->mmu_idx = hold_mmu_idx;
+    return ret;
+}
+
+static DisasJumpType trans_ldwa_idx_x(DisasContext *ctx, uint32_t insn,
+                                      const DisasInsn *di)
+{
+    int hold_mmu_idx = ctx->mmu_idx;
+    DisasJumpType ret;
+
+    CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+
+    /* ??? needs fixing for hppa64 -- ldda does not follow the same
+       format wrt the sub-opcode in bits 6:9.  */
+    ctx->mmu_idx = MMU_PHYS_IDX;
+    ret = trans_ld_idx_x(ctx, insn, di);
+    ctx->mmu_idx = hold_mmu_idx;
+    return ret;
+}
+#endif
+
 static const DisasInsn table_index_mem[] = {
     { 0x0c001000u, 0xfc001300, trans_ld_idx_i }, /* LD[BHWD], im */
     { 0x0c000000u, 0xfc001300, trans_ld_idx_x }, /* LD[BHWD], rx */
     { 0x0c001200u, 0xfc001300, trans_st_idx_i }, /* ST[BHWD] */
     { 0x0c0001c0u, 0xfc0003c0, trans_ldcw },
     { 0x0c001300u, 0xfc0013c0, trans_stby },
+#ifndef CONFIG_USER_ONLY
+    { 0x0c001180u, 0xfc00d3c0, trans_ldwa_idx_i }, /* LDWA, im */
+    { 0x0c000180u, 0xfc00d3c0, trans_ldwa_idx_x }, /* LDWA, rx */
+#endif
 };
 
 static DisasJumpType trans_ldil(DisasContext *ctx, uint32_t insn)