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Barf on branches/jumps in branch delay slots. Spotted by Stefan Weil. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2513 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-03-19 22:15:30 +00:00
parent 820e00f252
commit 3ad4bb2d3d
1 changed files with 13 additions and 5 deletions
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18
target-mips/translate.c
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@ -1368,12 +1368,20 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
int rs, int rt, int32_t offset)
{
target_ulong btarget;
int blink, bcond;
target_ulong btarget = -1;
int blink = 0;
int bcond = 0;
if (ctx->hflags & MIPS_HFLAG_BMASK) {
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile,
"undefined branch in delay slot at pc 0x%08x\n", ctx->pc);
}
MIPS_INVAL("branch/jump in bdelay slot");
generate_exception(ctx, EXCP_RI);
return;
}
btarget = -1;
blink = 0;
bcond = 0;
/* Load needed operands */
switch (opc) {
case OPC_BEQ: