diff options
| author | Song Gao <gaosong@loongson.cn> | 2022-11-01 11:17:15 +0800 |
|---|---|---|
| committer | Song Gao <gaosong@loongson.cn> | 2022-11-04 17:09:50 +0800 |
| commit | a6b129c8102668717370ec27490523fb1290ae5d (patch) | |
| tree | 50ddd3326656fc9699c3da686818ed2ef0b8024c /target | |
| parent | 3dfbb6dee57f48abdc5b51edfd4dd57869d838df (diff) | |
target/loongarch: Add exception subcode
We need subcodes to distinguish the same excode cs->exception_indexs,
such as EXCCODE_ADEF/EXCCODE_ADEM.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20221101073210.3934280-1-gaosong@loongson.cn>
Diffstat (limited to 'target')
| -rw-r--r-- | target/loongarch/cpu.c | 7 | ||||
| -rw-r--r-- | target/loongarch/cpu.h | 58 |
2 files changed, 36 insertions, 29 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 49393d95d8..b28aaed5ba 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -220,7 +220,10 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, PC, (env->pc >> 2)); } else { - env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ECODE, cause); + env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ECODE, + EXCODE_MCODE(cause)); + env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ESUBCODE, + EXCODE_SUBCODE(cause)); env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PPLV, FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV)); env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PIE, @@ -257,7 +260,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) env->pc = env->CSR_TLBRENTRY; } else { env->pc = env->CSR_EENTRY; - env->pc += cause * vec_size; + env->pc += EXCODE_MCODE(cause) * vec_size; } qemu_log_mask(CPU_LOG_INT, "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index dce999aaac..dbce176564 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -75,33 +75,37 @@ FIELD(FCSR0, CAUSE, 24, 5) #define FP_DIV0 8 #define FP_INVALID 16 -#define EXCCODE_EXTERNAL_INT 64 /* plus external interrupt number */ -#define EXCCODE_INT 0 -#define EXCCODE_PIL 1 -#define EXCCODE_PIS 2 -#define EXCCODE_PIF 3 -#define EXCCODE_PME 4 -#define EXCCODE_PNR 5 -#define EXCCODE_PNX 6 -#define EXCCODE_PPI 7 -#define EXCCODE_ADEF 8 /* Different exception subcode */ -#define EXCCODE_ADEM 8 -#define EXCCODE_ALE 9 -#define EXCCODE_BCE 10 -#define EXCCODE_SYS 11 -#define EXCCODE_BRK 12 -#define EXCCODE_INE 13 -#define EXCCODE_IPE 14 -#define EXCCODE_FPD 15 -#define EXCCODE_SXD 16 -#define EXCCODE_ASXD 17 -#define EXCCODE_FPE 18 /* Different exception subcode */ -#define EXCCODE_VFPE 18 -#define EXCCODE_WPEF 19 /* Different exception subcode */ -#define EXCCODE_WPEM 19 -#define EXCCODE_BTD 20 -#define EXCCODE_BTE 21 -#define EXCCODE_DBP 26 /* Reserved subcode used for debug */ +#define EXCODE(code, subcode) ( ((subcode) << 6) | (code) ) +#define EXCODE_MCODE(code) ( (code) & 0x3f ) +#define EXCODE_SUBCODE(code) ( (code) >> 6 ) + +#define EXCCODE_EXTERNAL_INT 64 /* plus external interrupt number */ +#define EXCCODE_INT EXCODE(0, 0) +#define EXCCODE_PIL EXCODE(1, 0) +#define EXCCODE_PIS EXCODE(2, 0) +#define EXCCODE_PIF EXCODE(3, 0) +#define EXCCODE_PME EXCODE(4, 0) +#define EXCCODE_PNR EXCODE(5, 0) +#define EXCCODE_PNX EXCODE(6, 0) +#define EXCCODE_PPI EXCODE(7, 0) +#define EXCCODE_ADEF EXCODE(8, 0) /* Different exception subcode */ +#define EXCCODE_ADEM EXCODE(8, 1) +#define EXCCODE_ALE EXCODE(9, 0) +#define EXCCODE_BCE EXCODE(10, 0) +#define EXCCODE_SYS EXCODE(11, 0) +#define EXCCODE_BRK EXCODE(12, 0) +#define EXCCODE_INE EXCODE(13, 0) +#define EXCCODE_IPE EXCODE(14, 0) +#define EXCCODE_FPD EXCODE(15, 0) +#define EXCCODE_SXD EXCODE(16, 0) +#define EXCCODE_ASXD EXCODE(17, 0) +#define EXCCODE_FPE EXCODE(18, 0) /* Different exception subcode */ +#define EXCCODE_VFPE EXCODE(18, 1) +#define EXCCODE_WPEF EXCODE(19, 0) /* Different exception subcode */ +#define EXCCODE_WPEM EXCODE(19, 1) +#define EXCCODE_BTD EXCODE(20, 0) +#define EXCCODE_BTE EXCODE(21, 0) +#define EXCCODE_DBP EXCODE(26, 0) /* Reserved subcode used for debug */ /* cpucfg[0] bits */ FIELD(CPUCFG0, PRID, 0, 32) |