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[Qemu-devel] [PATCH 2/3] PPC: E500: Inject SPE exception on invalid SPE
|
From: |
Alexander Graf |
|
Subject: |
[Qemu-devel] [PATCH 2/3] PPC: E500: Inject SPE exception on invalid SPE access |
|
Date: |
Tue, 23 Aug 2011 06:55:43 +0200 |
When accessing an SPE instruction despite it being not available,
throw an SPE exception instead of an APU exception. That way the
guest knows what's going on and actually uses SPE.
Reported-by: Jason Wessel <address@hidden>
Signed-off-by: Alexander Graf <address@hidden>
---
target-ppc/translate.c | 78 ++++++++++++++++++++++++------------------------
1 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index fd7c208..f36363a 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6622,7 +6622,7 @@ static inline void gen_evmra(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
@@ -6693,7 +6693,7 @@ static inline void gen_speundef(DisasContext *ctx)
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
@@ -6704,7 +6704,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
@@ -6729,7 +6729,7 @@ GEN_SPEOP_LOGIC2(evnand, tcg_gen_nand_tl);
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
@@ -6750,7 +6750,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_opi(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
@@ -6770,7 +6770,7 @@ GEN_SPEOP_TCG_LOGIC_IMM2(evrlwi, tcg_gen_rotli_i32);
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
@@ -6791,7 +6791,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); \
@@ -6829,7 +6829,7 @@ GEN_SPEOP_ARITH1(evcntlzw, gen_helper_cntlzw32);
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
@@ -6855,7 +6855,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
@@ -6933,7 +6933,7 @@ GEN_SPEOP_ARITH2(evrlw, gen_op_evrlw);
static inline void gen_evmergehi(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -6962,7 +6962,7 @@ GEN_SPEOP_ARITH2(evsubfw, gen_op_evsubf);
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
@@ -6983,7 +6983,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
@@ -7001,7 +7001,7 @@ GEN_SPEOP_ARITH_IMM2(evsubifw, tcg_gen_subi_i32);
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
int l1 = gen_new_label(); \
@@ -7041,7 +7041,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
int l1 = gen_new_label(); \
@@ -7084,7 +7084,7 @@ static inline void gen_brinc(DisasContext *ctx)
static inline void gen_evmergelo(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -7103,7 +7103,7 @@ static inline void gen_evmergelo(DisasContext *ctx)
static inline void gen_evmergehilo(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -7122,7 +7122,7 @@ static inline void gen_evmergehilo(DisasContext *ctx)
static inline void gen_evmergelohi(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -7245,7 +7245,7 @@ static inline void gen_evmwumi(DisasContext *ctx)
TCGv_i64 t0, t1;
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
@@ -7274,7 +7274,7 @@ static inline void gen_evmwumia(DisasContext *ctx)
TCGv_i64 tmp;
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
@@ -7294,7 +7294,7 @@ static inline void gen_evmwumiaa(DisasContext *ctx)
TCGv_i64 tmp;
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
@@ -7327,7 +7327,7 @@ static inline void gen_evmwsmi(DisasContext *ctx)
TCGv_i64 t0, t1;
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
@@ -7746,7 +7746,7 @@ static void glue(gen_, name)(DisasContext *ctx)
{ \
TCGv t0; \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
@@ -7904,7 +7904,7 @@ static inline void gen_##name(DisasContext *ctx)
\
TCGv_i32 t0, t1; \
TCGv_i64 t2; \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
t0 = tcg_temp_new_i32(); \
@@ -7925,7 +7925,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
@@ -7936,7 +7936,7 @@ static inline void gen_##name(DisasContext *ctx)
\
{ \
TCGv_i32 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
t0 = tcg_temp_new_i32(); \
@@ -7951,7 +7951,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
@@ -7992,7 +7992,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], \
@@ -8003,7 +8003,7 @@ static inline void gen_##name(DisasContext *ctx)
\
{ \
TCGv_i64 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
t0 = tcg_temp_new_i64(); \
@@ -8019,7 +8019,7 @@ static inline void gen_##name(DisasContext *ctx)
\
static inline void gen_##name(DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
@@ -8030,7 +8030,7 @@ static inline void gen_##name(DisasContext *ctx)
\
{ \
TCGv_i64 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
- gen_exception(ctx, POWERPC_EXCP_APU); \
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
\
return; \
} \
t0 = tcg_temp_new_i64(); \
@@ -8052,7 +8052,7 @@ GEN_SPEFPUOP_ARITH2_64_64(evfsdiv);
static inline void gen_evfsabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -8065,7 +8065,7 @@ static inline void gen_evfsabs(DisasContext *ctx)
static inline void gen_evfsnabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -8078,7 +8078,7 @@ static inline void gen_evfsnabs(DisasContext *ctx)
static inline void gen_evfsneg(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -8134,7 +8134,7 @@ GEN_SPEFPUOP_ARITH2_32_32(efsdiv);
static inline void gen_efsabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
(target_long)~0x80000000LL);
@@ -8142,7 +8142,7 @@ static inline void gen_efsabs(DisasContext *ctx)
static inline void gen_efsnabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
tcg_gen_ori_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
0x80000000);
@@ -8150,7 +8150,7 @@ static inline void gen_efsnabs(DisasContext *ctx)
static inline void gen_efsneg(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
tcg_gen_xori_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
0x80000000);
@@ -8202,7 +8202,7 @@ GEN_SPEFPUOP_ARITH2_64_64(efddiv);
static inline void gen_efdabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -8215,7 +8215,7 @@ static inline void gen_efdabs(DisasContext *ctx)
static inline void gen_efdnabs(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
@@ -8228,7 +8228,7 @@ static inline void gen_efdnabs(DisasContext *ctx)
static inline void gen_efdneg(DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
- gen_exception(ctx, POWERPC_EXCP_APU);
+ gen_exception(ctx, POWERPC_EXCP_SPEU);
return;
}
#if defined(TARGET_PPC64)
--
1.6.0.2