mirror of https://gitlab.com/qemu-project/qemu
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
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@ -1368,12 +1368,20 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
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static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
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static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
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int rs, int rt, int32_t offset)
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int rs, int rt, int32_t offset)
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{
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{
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target_ulong btarget;
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target_ulong btarget = -1;
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int blink, bcond;
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int blink = 0;
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int bcond = 0;
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if (ctx->hflags & MIPS_HFLAG_BMASK) {
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if (loglevel & CPU_LOG_TB_IN_ASM) {
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fprintf(logfile,
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"undefined branch in delay slot at pc 0x%08x\n", ctx->pc);
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}
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MIPS_INVAL("branch/jump in bdelay slot");
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generate_exception(ctx, EXCP_RI);
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return;
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}
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btarget = -1;
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blink = 0;
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bcond = 0;
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/* Load needed operands */
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/* Load needed operands */
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switch (opc) {
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switch (opc) {
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case OPC_BEQ:
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case OPC_BEQ:
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