On Fri, Nov 09, 2012 at 07:40:51PM -0800, Eric Johnson wrote: > The call to gen_logic_imm for OPC_LUI passes -1 for rs. This > causes the MIPS_DEBUG statement to seg fault due to the deference > of regnames[rs]. This patch fixes that. > > Signed-off-by: Eric Johnson <er...@mips.com> > --- > target-mips/translate.c | 18 +++++++++++------- > 1 files changed, 11 insertions(+), 7 deletions(-) > > diff --git a/target-mips/translate.c b/target-mips/translate.c > index 8175da0..aba6327 100644 > --- a/target-mips/translate.c > +++ b/target-mips/translate.c > @@ -2013,7 +2013,6 @@ static void gen_logic_imm(CPUMIPSState *env, > DisasContext *ctx, uint32_t opc, > int rt, int rs, int16_t imm) > { > target_ulong uimm; > - const char *opn = "imm logic"; > > if (rt == 0) { > /* If no destination, treat it as a NOP. */ > @@ -2027,29 +2026,34 @@ static void gen_logic_imm(CPUMIPSState *env, > DisasContext *ctx, uint32_t opc, > tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); > else > tcg_gen_movi_tl(cpu_gpr[rt], 0); > - opn = "andi"; > + MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, "andi", regnames[rt], > + regnames[rs], uimm); > break; > case OPC_ORI: > if (rs != 0) > tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); > else > tcg_gen_movi_tl(cpu_gpr[rt], uimm); > - opn = "ori"; > + MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, "ori", regnames[rt], > + regnames[rs], uimm); > break; > case OPC_XORI: > if (likely(rs != 0)) > tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); > else > tcg_gen_movi_tl(cpu_gpr[rt], uimm); > - opn = "xori"; > + MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, "xori", regnames[rt], > + regnames[rs], uimm); > break; > case OPC_LUI: > tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); > - opn = "lui"; > + MIPS_DEBUG("lui %s, " TARGET_FMT_lx, regnames[rt], uimm); > + break; > + > + default: > + MIPS_DEBUG("Unknown logical immediate opcode %08x", opc); > break; > } > - (void)opn; /* avoid a compiler warning */ > - MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], > uimm); > } > > /* Set on less than with immediate operand */
Thanks, I applied this patch, with minor tweak: instead of using printf %s to format the opcode name, I moved it to the string like it was %already the case for LUI. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net