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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-07-27 16:56:31 +1000
committerDavid Gibson <david@gibson.dropbear.id.au>2016-09-07 12:38:00 +1000
commitaf6d376ea18db87287a9e0de08fe23c68f2464a6 (patch)
treedc74b6e06fb556b679943232d31f3a65cb5a001a
parente41029b378b4a65a0b89b5a8dc087aca6b5d012d (diff)
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ppc: Don't update NIP in lmw/stmw/icbi
Instead, pass GETPC() result to the corresponding helpers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
-rw-r--r--target-ppc/mem_helper.c11
-rw-r--r--target-ppc/translate.c6
2 files changed, 6 insertions, 11 deletions
diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c
index de96c91..e20a53e 100644
--- a/target-ppc/mem_helper.c
+++ b/target-ppc/mem_helper.c
@@ -57,9 +57,9 @@ void helper_lmw(CPUPPCState *env, target_ulong addr, uint32_t reg)
{
for (; reg < 32; reg++) {
if (needs_byteswap(env)) {
- env->gpr[reg] = bswap32(cpu_ldl_data(env, addr));
+ env->gpr[reg] = bswap32(cpu_ldl_data_ra(env, addr, GETPC()));
} else {
- env->gpr[reg] = cpu_ldl_data(env, addr);
+ env->gpr[reg] = cpu_ldl_data_ra(env, addr, GETPC());
}
addr = addr_add(env, addr, 4);
}
@@ -69,9 +69,10 @@ void helper_stmw(CPUPPCState *env, target_ulong addr, uint32_t reg)
{
for (; reg < 32; reg++) {
if (needs_byteswap(env)) {
- cpu_stl_data(env, addr, bswap32((uint32_t)env->gpr[reg]));
+ cpu_stl_data_ra(env, addr, bswap32((uint32_t)env->gpr[reg]),
+ GETPC());
} else {
- cpu_stl_data(env, addr, (uint32_t)env->gpr[reg]);
+ cpu_stl_data_ra(env, addr, (uint32_t)env->gpr[reg], GETPC());
}
addr = addr_add(env, addr, 4);
}
@@ -178,7 +179,7 @@ void helper_icbi(CPUPPCState *env, target_ulong addr)
* (not a fetch) by the MMU. To be sure it will be so,
* do the load "by hand".
*/
- cpu_ldl_data(env, addr);
+ cpu_ldl_data_ra(env, addr, GETPC());
}
/* XXX: to be tested */
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 568c1f8..dc5ebb1 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2869,8 +2869,6 @@ static void gen_lmw(DisasContext *ctx)
TCGv t0;
TCGv_i32 t1;
gen_set_access_type(ctx, ACCESS_INT);
- /* NIP cannot be restored if the memory exception comes from an helper */
- gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
t1 = tcg_const_i32(rD(ctx->opcode));
gen_addr_imm_index(ctx, t0, 0);
@@ -2885,8 +2883,6 @@ static void gen_stmw(DisasContext *ctx)
TCGv t0;
TCGv_i32 t1;
gen_set_access_type(ctx, ACCESS_INT);
- /* NIP cannot be restored if the memory exception comes from an helper */
- gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
t1 = tcg_const_i32(rS(ctx->opcode));
gen_addr_imm_index(ctx, t0, 0);
@@ -4109,8 +4105,6 @@ static void gen_icbi(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_icbi(cpu_env, t0);