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target/mips: Clean up handling of CP0 register 12 

Clean up handling of CP0 register 12.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1567009614-12438-14-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-08-28 18:26:37 +02:00
parent f5f3834ff0
commit 2b0848674b
2 changed files with 19 additions and 16 deletions
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3
target/mips/cpu.h
View File

@ -350,6 +350,9 @@ typedef struct mips_def_t mips_def_t;
#define CP0_REG12__STATUS 0
#define CP0_REG12__INTCTL 1
#define CP0_REG12__SRSCTL 2
#define CP0_REG12__SRSMAP 3
#define CP0_REG12__VIEW_IPL 4
#define CP0_REG12__SRSMAP2 5
#define CP0_REG12__GUESTCTL0 6
#define CP0_REG12__GTOFFSET 7
/* CP0 Register 13 */

32
target/mips/translate.c
View File

@ -7177,21 +7177,21 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_12:
switch (sel) {
case 0:
case CP0_REG12__STATUS:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
register_name = "Status";
break;
case 1:
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
register_name = "IntCtl";
break;
case 2:
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
register_name = "SRSCtl";
break;
case 3:
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
register_name = "SRSMap";
@ -7893,7 +7893,7 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_12:
switch (sel) {
case 0:
case CP0_REG12__STATUS:
save_cpu_state(ctx, 1);
gen_helper_mtc0_status(cpu_env, arg);
/* DISAS_STOP isn't good enough here, hflags may have changed. */
@ -7901,21 +7901,21 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Status";
break;
case 1:
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_helper_mtc0_intctl(cpu_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "IntCtl";
break;
case 2:
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_helper_mtc0_srsctl(cpu_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSCtl";
break;
case 3:
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS32R2);
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
/* Stop translation as we may have switched the execution mode */
@ -8652,21 +8652,21 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_12:
switch (sel) {
case 0:
case CP0_REG12__STATUS:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
register_name = "Status";
break;
case 1:
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
register_name = "IntCtl";
break;
case 2:
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
register_name = "SRSCtl";
break;
case 3:
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS32R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
register_name = "SRSMap";
@ -9356,7 +9356,7 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_12:
switch (sel) {
case 0:
case CP0_REG12__STATUS:
save_cpu_state(ctx, 1);
gen_helper_mtc0_status(cpu_env, arg);
/* DISAS_STOP isn't good enough here, hflags may have changed. */
@ -9364,21 +9364,21 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Status";
break;
case 1:
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_helper_mtc0_intctl(cpu_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "IntCtl";
break;
case 2:
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS32R2);
gen_helper_mtc0_srsctl(cpu_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSCtl";
break;
case 3:
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS32R2);
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
/* Stop translation as we may have switched the execution mode */