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target/mips: Clean up handling of CP0 register 3 

Clean up handling of CP0 register 3.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1567009614-12438-5-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-08-28 18:26:28 +02:00
parent 6d27d5bd73
commit acd3731632
2 changed files with 11 additions and 10 deletions
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1
target/mips/cpu.h
View File

@ -302,6 +302,7 @@ typedef struct mips_def_t mips_def_t;
/* CP0 Register 03 */
#define CP0_REG03__ENTRYLO1 0
#define CP0_REG03__GLOBALNUM 1
#define CP0_REG03__TCOPT 7
/* CP0 Register 04 */
#define CP0_REG04__CONTEXT 0
#define CP0_REG04__USERLOCAL 2

20
target/mips/translate.c
View File

@ -6647,7 +6647,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
register_name = "EntryLo1";
@ -6728,7 +6728,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
tcg_gen_andi_tl(arg, arg, mask);
gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
@ -6947,7 +6947,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
{
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp, cpu_env,
@ -6964,7 +6964,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
}
register_name = "EntryLo1";
break;
case 1:
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
register_name = "GlobalNumber";
@ -7695,11 +7695,11 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
gen_helper_mtc0_entrylo1(cpu_env, arg);
register_name = "EntryLo1";
break;
case 1:
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "GlobalNumber";
@ -8440,11 +8440,11 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo1));
register_name = "EntryLo1";
break;
case 1:
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
register_name = "GlobalNumber";
@ -9153,11 +9153,11 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_03:
switch (sel) {
case 0:
case CP0_REG03__ENTRYLO1:
gen_helper_dmtc0_entrylo1(cpu_env, arg);
register_name = "EntryLo1";
break;
case 1:
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "GlobalNumber";