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-rw-r--r--target-ppc/cpu.h6
-rw-r--r--target-ppc/helper.h3
-rw-r--r--target-ppc/mem_helper.c21
-rw-r--r--target-ppc/translate.c33
-rw-r--r--target-ppc/translate_init.c10
5 files changed, 32 insertions, 41 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 953146eeba..8c081dbec5 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1857,10 +1857,8 @@ enum {
PPC_CACHE = 0x0000000200000000ULL,
/* icbi instruction */
PPC_CACHE_ICBI = 0x0000000400000000ULL,
- /* dcbz instruction with fixed cache line size */
+ /* dcbz instruction */
PPC_CACHE_DCBZ = 0x0000000800000000ULL,
- /* dcbz instruction with tunable cache line size */
- PPC_CACHE_DCBZT = 0x0000001000000000ULL,
/* dcba instruction */
PPC_CACHE_DCBA = 0x0000002000000000ULL,
/* Freescale cache locking instructions */
@@ -1928,7 +1926,7 @@ enum {
| PPC_MEM_TLBIE | PPC_MEM_TLBSYNC \
| PPC_MEM_SYNC | PPC_MEM_EIEIO \
| PPC_CACHE | PPC_CACHE_ICBI \
- | PPC_CACHE_DCBZ | PPC_CACHE_DCBZT \
+ | PPC_CACHE_DCBZ \
| PPC_CACHE_DCBA | PPC_CACHE_LOCK \
| PPC_EXTERN | PPC_SEGMENT | PPC_6xx_TLB \
| PPC_74xx_TLB | PPC_40x_TLB | PPC_SEGMENT_64B \
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 83139d5225..18e039452f 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -25,8 +25,7 @@ DEF_HELPER_3(stmw, void, env, tl, i32)
DEF_HELPER_4(lsw, void, env, tl, i32, i32)
DEF_HELPER_5(lswx, void, env, tl, i32, i32, i32)
DEF_HELPER_4(stsw, void, env, tl, i32, i32)
-DEF_HELPER_2(dcbz, void, env, tl)
-DEF_HELPER_2(dcbz_970, void, env, tl)
+DEF_HELPER_3(dcbz, void, env, tl, i32)
DEF_HELPER_2(icbi, void, env, tl)
DEF_HELPER_5(lscbx, tl, env, tl, i32, i32, i32)
diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c
index 902b1cd823..ba383c8f11 100644
--- a/target-ppc/mem_helper.c
+++ b/target-ppc/mem_helper.c
@@ -136,18 +136,21 @@ static void do_dcbz(CPUPPCState *env, target_ulong addr, int dcache_line_size)
}
}
-void helper_dcbz(CPUPPCState *env, target_ulong addr)
+void helper_dcbz(CPUPPCState *env, target_ulong addr, uint32_t is_dcbzl)
{
- do_dcbz(env, addr, env->dcache_line_size);
-}
+ int dcbz_size = env->dcache_line_size;
-void helper_dcbz_970(CPUPPCState *env, target_ulong addr)
-{
- if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) {
- do_dcbz(env, addr, 32);
- } else {
- do_dcbz(env, addr, env->dcache_line_size);
+#if !defined(CONFIG_USER_ONLY) && defined(TARGET_PPC64)
+ if (!is_dcbzl &&
+ (env->excp_model == POWERPC_EXCP_970) &&
+ ((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) {
+ dcbz_size = 32;
}
+#endif
+
+ /* XXX add e500mc support */
+
+ do_dcbz(env, addr, dcbz_size);
}
void helper_icbi(CPUPPCState *env, target_ulong addr)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 798b7acfc9..d96d1eddb7 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -4118,29 +4118,21 @@ static void gen_dcbtst(DisasContext *ctx)
/* dcbz */
static void gen_dcbz(DisasContext *ctx)
{
- TCGv t0;
- gen_set_access_type(ctx, ACCESS_CACHE);
- /* NIP cannot be restored if the memory exception comes from an helper */
- gen_update_nip(ctx, ctx->nip - 4);
- t0 = tcg_temp_new();
- gen_addr_reg_index(ctx, t0);
- gen_helper_dcbz(cpu_env, t0);
- tcg_temp_free(t0);
-}
+ TCGv tcgv_addr;
+ TCGv_i32 tcgv_is_dcbzl;
+ int is_dcbzl = ctx->opcode & 0x00200000 ? 1 : 0;
-static void gen_dcbz_970(DisasContext *ctx)
-{
- TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
- t0 = tcg_temp_new();
- gen_addr_reg_index(ctx, t0);
- if (ctx->opcode & 0x00200000)
- gen_helper_dcbz(cpu_env, t0);
- else
- gen_helper_dcbz_970(cpu_env, t0);
- tcg_temp_free(t0);
+ tcgv_addr = tcg_temp_new();
+ tcgv_is_dcbzl = tcg_const_i32(is_dcbzl);
+
+ gen_addr_reg_index(ctx, tcgv_addr);
+ gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_is_dcbzl);
+
+ tcg_temp_free(tcgv_addr);
+ tcg_temp_free_i32(tcgv_is_dcbzl);
}
/* dst / dstt */
@@ -8648,8 +8640,7 @@ GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x02000001, PPC_CACHE),
GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x02000001, PPC_CACHE),
-GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE_DCBZ),
-GEN_HANDLER2(dcbz_970, "dcbz", 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZT),
+GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC),
GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index e143af532a..e2021c4a05 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -6298,7 +6298,7 @@ static void init_proc_7457 (CPUPPCState *env)
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | \
PPC_FLOAT_STFIWX | \
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZT | \
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | \
PPC_MEM_SYNC | PPC_MEM_EIEIO | \
PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | \
PPC_64B | PPC_ALTIVEC | \
@@ -6394,7 +6394,7 @@ static void init_proc_970 (CPUPPCState *env)
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | \
PPC_FLOAT_STFIWX | \
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZT | \
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | \
PPC_MEM_SYNC | PPC_MEM_EIEIO | \
PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | \
PPC_64B | PPC_ALTIVEC | \
@@ -6496,7 +6496,7 @@ static void init_proc_970FX (CPUPPCState *env)
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | \
PPC_FLOAT_STFIWX | \
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZT | \
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | \
PPC_MEM_SYNC | PPC_MEM_EIEIO | \
PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | \
PPC_64B | PPC_ALTIVEC | \
@@ -6586,7 +6586,7 @@ static void init_proc_970GX (CPUPPCState *env)
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | \
PPC_FLOAT_STFIWX | \
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZT | \
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | \
PPC_MEM_SYNC | PPC_MEM_EIEIO | \
PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | \
PPC_64B | PPC_ALTIVEC | \
@@ -6677,7 +6677,7 @@ static void init_proc_970MP (CPUPPCState *env)
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | \
PPC_FLOAT_STFIWX | \
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZT | \
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | \
PPC_MEM_SYNC | PPC_MEM_EIEIO | \
PPC_MEM_TLBIE | PPC_MEM_TLBSYNC | \
PPC_64B | PPC_ALTIVEC | \
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-18 21:53:36 +0000