target-mips: add support for CP0_Config5

Add CP0_Config5, define rw_bitmask and enable modifications.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Reviewed-by: Eric Johnson <eric.johnson@imgtec.com>
This commit is contained in:
Petar Jovanovic 2014-01-17 19:25:57 +01:00
parent b4160af160
commit b4dd99a363
5 changed files with 40 additions and 3 deletions

View file

@ -4409,7 +4409,10 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
rn = "Config4";
break;
/* 5 is reserved */
case 5:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
rn = "Config5";
break;
/* 6,7 are implementation dependent */
case 6:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
@ -4991,7 +4994,12 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "Config4";
ctx->bstate = BS_STOP;
break;
/* 5 is reserved */
case 5:
gen_helper_mtc0_config5(cpu_env, arg);
rn = "Config5";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
/* 6,7 are implementation dependent */
case 6:
/* ignored */
@ -15927,6 +15935,8 @@ void cpu_state_reset(CPUMIPSState *env)
env->CP0_Config3 = env->cpu_model->CP0_Config3;
env->CP0_Config4 = env->cpu_model->CP0_Config4;
env->CP0_Config4_rw_bitmask = env->cpu_model->CP0_Config4_rw_bitmask;
env->CP0_Config5 = env->cpu_model->CP0_Config5;
env->CP0_Config5_rw_bitmask = env->cpu_model->CP0_Config5_rw_bitmask;
env->CP0_Config6 = env->cpu_model->CP0_Config6;
env->CP0_Config7 = env->cpu_model->CP0_Config7;
env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask