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| author | Nathan Froyd <froydnj@codesourcery.com> | 2009-12-08 08:06:25 -0800 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2009-12-13 20:20:19 +0100 |
| commit | 7dca4ad0504268f0e3ba1c17e0e242ada6fb9f71 (patch) | |
| tree | 372f23f961479e1ec4ca651686d06d273def0ff8 /target-mips/translate.c | |
| parent | ea63e2c358948287acf99c411d1821aa13bc1f61 (diff) | |
| download | qemu-7dca4ad0504268f0e3ba1c17e0e242ada6fb9f71.zip qemu-7dca4ad0504268f0e3ba1c17e0e242ada6fb9f71.tar.gz qemu-7dca4ad0504268f0e3ba1c17e0e242ada6fb9f71.tar.bz2 | |
target-mips: make gen_compute_branch 16/32-bit-aware
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index d403c56..3751516 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -2390,6 +2390,7 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) /* Branches (before delay slot) */ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, + int insn_bytes, int rs, int rt, int32_t offset) { target_ulong btgt = -1; @@ -2418,7 +2419,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, gen_load_gpr(t1, rt); bcond_compute = 1; } - btgt = ctx->pc + 4 + offset; + btgt = ctx->pc + insn_bytes + offset; break; case OPC_BGEZ: case OPC_BGEZAL: @@ -2437,12 +2438,12 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, gen_load_gpr(t0, rs); bcond_compute = 1; } - btgt = ctx->pc + 4 + offset; + btgt = ctx->pc + insn_bytes + offset; break; case OPC_J: case OPC_JAL: /* Jump to immediate */ - btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; + btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset; break; case OPC_JR: case OPC_JALR: @@ -7654,7 +7655,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx) gen_muldiv(ctx, op1, rs, rt); break; case OPC_JR ... OPC_JALR: - gen_compute_branch(ctx, op1, rs, rd, sa); + gen_compute_branch(ctx, op1, 4, rs, rd, sa); return; case OPC_TGE ... OPC_TEQ: /* Traps */ case OPC_TNE: @@ -7943,7 +7944,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx) switch (op1) { case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ case OPC_BLTZAL ... OPC_BGEZALL: - gen_compute_branch(ctx, op1, rs, -1, imm << 2); + gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2); return; case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ case OPC_TNEI: @@ -8062,11 +8063,11 @@ static void decode_opc (CPUState *env, DisasContext *ctx) break; case OPC_J ... OPC_JAL: /* Jump */ offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; - gen_compute_branch(ctx, op, rs, rt, offset); + gen_compute_branch(ctx, op, 4, rs, rt, offset); return; case OPC_BEQ ... OPC_BGTZ: /* Branch */ case OPC_BEQL ... OPC_BGTZL: - gen_compute_branch(ctx, op, rs, rt, imm << 2); + gen_compute_branch(ctx, op, 4, rs, rt, imm << 2); return; case OPC_LB ... OPC_LWR: /* Load and stores */ case OPC_SB ... OPC_SW: |