summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAurelien Jarno <aurelien@aurel32.net>2011-01-17 19:29:34 +0100
committerDoug Goldstein <cardoe@cardoe.com>2011-05-27 13:02:29 -0500
commitfbb4a40345bd99d19a7d575eeaf0d9d814bc6612 (patch)
treeca7805f09390ab01a3b46f37af8a03dba8e8b5ff
parenttarget-sparc: fix udiv(cc) and sdiv(cc) (diff)
downloadqemu-kvm-0.13.0-gentoo.tar.gz
qemu-kvm-0.13.0-gentoo.tar.bz2
qemu-kvm-0.13.0-gentoo.zip
target-mips: fix save_cpu_state() callsqemu-kvm-0.13.0-gentoo
The rule is: - don't save PC if the exception is only triggered by softmmu. - save PC if the exception can be triggered by an helper. Fix a 64-bit kernel crash when loading modules. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> (cherry picked from commit b835e919f022d768abdf00e8dc94f1a23fdcab15)
-rw-r--r--target-mips/translate.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 6c72dee1b..389f13c5f 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1066,7 +1066,7 @@ static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc,
opn = "ld";
break;
case OPC_LLD:
- save_cpu_state(ctx, 0);
+ save_cpu_state(ctx, 1);
op_ld_lld(t0, t0, ctx);
gen_store_gpr(t0, rt);
opn = "lld";
@@ -1086,7 +1086,7 @@ static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc,
opn = "ldr";
break;
case OPC_LDPC:
- save_cpu_state(ctx, 1);
+ save_cpu_state(ctx, 0);
tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
gen_op_addr_add(ctx, t0, t0, t1);
op_ld_ld(t0, t0, ctx);
@@ -1095,7 +1095,7 @@ static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc,
break;
#endif
case OPC_LWPC:
- save_cpu_state(ctx, 1);
+ save_cpu_state(ctx, 0);
tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
gen_op_addr_add(ctx, t0, t0, t1);
op_ld_lw(t0, t0, ctx);
@@ -1236,7 +1236,7 @@ static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
switch (opc) {
#if defined(TARGET_MIPS64)
case OPC_SCD:
- save_cpu_state(ctx, 0);
+ save_cpu_state(ctx, 1);
op_st_scd(t1, t0, rt, ctx);
opn = "scd";
break;
@@ -9939,7 +9939,7 @@ static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd,
opn = "lwp";
break;
case SWP:
- save_cpu_state(ctx, 1);
+ save_cpu_state(ctx, 0);
gen_load_gpr(t1, rd);
op_st_sw(t1, t0, ctx);
tcg_gen_movi_tl(t1, 4);
@@ -9960,7 +9960,7 @@ static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd,
opn = "ldp";
break;
case SDP:
- save_cpu_state(ctx, 1);
+ save_cpu_state(ctx, 0);
gen_load_gpr(t1, rd);
op_st_sd(t1, t0, ctx);
tcg_gen_movi_tl(t1, 8);