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| author | Aurelien Jarno <aurelien@aurel32.net> | 2010-02-28 14:11:06 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-02-28 14:11:06 +0100 |
| commit | 6454e7be1b2504533f7ffb190d54ebe2993cb434 (patch) | |
| tree | cd10813dd2cdb5aaf5b48168c8f95a3a2dba003c /target-ppc/translate.c | |
| parent | 5bb599023a6478e86152a2e8bc2b21775261b9da (diff) | |
| download | qemu-6454e7be1b2504533f7ffb190d54ebe2993cb434.zip qemu-6454e7be1b2504533f7ffb190d54ebe2993cb434.tar.gz qemu-6454e7be1b2504533f7ffb190d54ebe2993cb434.tar.bz2 | |
target-ppc: stop translation after a trap instruction
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 0b11fda..9da4240 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -3618,8 +3618,9 @@ static void gen_sc(DisasContext *ctx) static void gen_tw(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode)); - /* Update the nip since this might generate a trap exception */ - gen_update_nip(ctx, ctx->nip); + /* Stop the translation since this might generate a trap exception + and/or following instructions might be invalid */ + gen_stop_exception(ctx); gen_helper_tw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } @@ -3629,8 +3630,9 @@ static void gen_twi(DisasContext *ctx) { TCGv t0 = tcg_const_tl(SIMM(ctx->opcode)); TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode)); - /* Update the nip since this might generate a trap exception */ - gen_update_nip(ctx, ctx->nip); + /* Stop the translation since this might generate a trap exception + and/or following instructions might be invalid */ + gen_stop_exception(ctx); gen_helper_tw(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); @@ -3641,8 +3643,9 @@ static void gen_twi(DisasContext *ctx) static void gen_td(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode)); - /* Update the nip since this might generate a trap exception */ - gen_update_nip(ctx, ctx->nip); + /* Stop the translation since this might generate a trap exception + and/or following instructions might be invalid */ + gen_stop_exception(ctx); gen_helper_td(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } @@ -3652,8 +3655,9 @@ static void gen_tdi(DisasContext *ctx) { TCGv t0 = tcg_const_tl(SIMM(ctx->opcode)); TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode)); - /* Update the nip since this might generate a trap exception */ - gen_update_nip(ctx, ctx->nip); + /* Stop the translation since this might generate a trap exception + and/or following instructions might be invalid */ + gen_stop_exception(ctx); gen_helper_td(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); |