aboutsummaryrefslogtreecommitdiff
path: root/target-ppc
diff options
context:
space:
mode:
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/cpu.h4
-rw-r--r--target-ppc/helper.c2
-rw-r--r--target-ppc/machine.c4
-rw-r--r--target-ppc/op_helper.c4
-rw-r--r--target-ppc/translate.c13
5 files changed, 17 insertions, 10 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index fe2257db0c..7935fcd18d 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -561,7 +561,9 @@ struct CPUPPCState {
/* XER */
target_ulong xer;
/* Reservation address */
- target_ulong reserve;
+ target_ulong reserve_addr;
+ /* Reservation value */
+ target_ulong reserve_val;
/* Those ones are used in supervisor mode only */
/* machine state register */
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index b7162dfe58..6eca2e53c3 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -2805,7 +2805,7 @@ void cpu_ppc_reset (void *opaque)
env->msr |= (1ULL << MSR_SF);
#endif
hreg_compute_hflags(env);
- env->reserve = (target_ulong)-1ULL;
+ env->reserve_addr = (target_ulong)-1ULL;
/* Be sure no exception or interrupt is pending */
env->pending_interrupts = 0;
env->exception_index = POWERPC_EXCP_NONE;
diff --git a/target-ppc/machine.c b/target-ppc/machine.c
index 99ba3eb2ad..deb2e2d801 100644
--- a/target-ppc/machine.c
+++ b/target-ppc/machine.c
@@ -20,7 +20,7 @@ void cpu_save(QEMUFile *f, void *opaque)
for (i = 0; i < 8; i++)
qemu_put_be32s(f, &env->crf[i]);
qemu_put_betls(f, &env->xer);
- qemu_put_betls(f, &env->reserve);
+ qemu_put_betls(f, &env->reserve_addr);
qemu_put_betls(f, &env->msr);
for (i = 0; i < 4; i++)
qemu_put_betls(f, &env->tgpr[i]);
@@ -107,7 +107,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
for (i = 0; i < 8; i++)
qemu_get_be32s(f, &env->crf[i]);
qemu_get_betls(f, &env->xer);
- qemu_get_betls(f, &env->reserve);
+ qemu_get_betls(f, &env->reserve_addr);
qemu_get_betls(f, &env->msr);
for (i = 0; i < 4; i++)
qemu_get_betls(f, &env->tgpr[i]);
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index ad6d8ee9b2..812282c746 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -329,8 +329,8 @@ static void do_dcbz(target_ulong addr, int dcache_line_size)
for (i = 0 ; i < dcache_line_size ; i += 4) {
stl(addr + i , 0);
}
- if (env->reserve == addr)
- env->reserve = (target_ulong)-1ULL;
+ if (env->reserve_addr == addr)
+ env->reserve_addr = (target_ulong)-1ULL;
}
void helper_dcbz(target_ulong addr)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 58818c2118..06282b6aea 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -158,7 +158,8 @@ void ppc_translate_init(void)
offsetof(CPUState, xer), "xer");
cpu_reserve = tcg_global_mem_new(TCG_AREG0,
- offsetof(CPUState, reserve), "reserve");
+ offsetof(CPUState, reserve_addr),
+ "reserve_addr");
cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0,
offsetof(CPUState, fpscr), "fpscr");
@@ -3006,12 +3007,14 @@ static void gen_isync(DisasContext *ctx)
static void gen_lwarx(DisasContext *ctx)
{
TCGv t0;
+ TCGv gpr = cpu_gpr[rD(ctx->opcode)];
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x03);
- gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
+ gen_qemu_ld32u(ctx, gpr, t0);
tcg_gen_mov_tl(cpu_reserve, t0);
+ tcg_gen_st_tl(gpr, cpu_env, offsetof(CPUState, reserve_val));
tcg_temp_free(t0);
}
@@ -3041,12 +3044,14 @@ static void gen_stwcx_(DisasContext *ctx)
static void gen_ldarx(DisasContext *ctx)
{
TCGv t0;
+ TCGv gpr = cpu_gpr[rD(ctx->opcode)];
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x07);
- gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], t0);
+ gen_qemu_ld64(ctx, gpr, t0);
tcg_gen_mov_tl(cpu_reserve, t0);
+ tcg_gen_st_tl(gpr, cpu_env, offsetof(CPUState, reserve_val));
tcg_temp_free(t0);
}
@@ -8834,7 +8839,7 @@ void cpu_dump_state (CPUState *env, FILE *f,
a = 'E';
cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
}
- cpu_fprintf(f, " ] RES " ADDRX "\n", env->reserve);
+ cpu_fprintf(f, " ] RES " ADDRX "\n", env->reserve_addr);
for (i = 0; i < 32; i++) {
if ((i & (RFPL - 1)) == 0)
cpu_fprintf(f, "FPR%02d", i);