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| author | WANG Xuerui <git@xen0n.name> | 2023-05-01 12:19:27 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-05-01 12:19:27 +0300 |
| commit | 5e3e784d35c41ca21251f92c243780c791100b02 (patch) | |
| tree | f88a83d94f1bce97d0bca476b5127f4d163df3c6 /arch/loongarch/kernel/traps.c | |
| parent | 9718d96c035c594390600168cbca0ae4e0d867f5 (diff) | |
| download | linux-5e3e784d35c41ca21251f92c243780c791100b02.tar.xz | |
LoongArch: Humanize the ECFG line when showing registers
Example output looks like:
[ xx.xxxxxx] ECFG: 00071c1c (LIE=2-4,10-12 VS=7)
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/kernel/traps.c')
| -rw-r--r-- | arch/loongarch/kernel/traps.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c index bd6be798f81d..6376997f2ae9 100644 --- a/arch/loongarch/kernel/traps.c +++ b/arch/loongarch/kernel/traps.c @@ -189,6 +189,12 @@ static void print_memory_type_fragment(const char *key, unsigned long val) pr_cont(" %s=%s", key, humanized_type); } +static void print_intr_fragment(const char *key, unsigned long val) +{ + /* e.g. "LIE=0-1,3,5-7" */ + pr_cont("%s=%*pbl", key, EXCCODE_INT_NUM, &val); +} + static void print_crmd(unsigned long x) { printk(" CRMD: %08lx (", x); @@ -221,6 +227,13 @@ static void print_euen(unsigned long x) pr_cont(")\n"); } +static void print_ecfg(unsigned long x) +{ + printk(" ECFG: %08lx (", x); + print_intr_fragment("LIE", FIELD_GET(CSR_ECFG_IM, x)); + pr_cont(" VS=%d)\n", (int) FIELD_GET(CSR_ECFG_VS, x)); +} + static void __show_regs(const struct pt_regs *regs) { const int field = 2 * sizeof(unsigned long); @@ -265,7 +278,7 @@ static void __show_regs(const struct pt_regs *regs) print_crmd(regs->csr_crmd); print_prmd(regs->csr_prmd); print_euen(regs->csr_euen); - printk(" ECFG: %08lx\n", regs->csr_ecfg); + print_ecfg(regs->csr_ecfg); printk("ESTAT: %08lx\n", regs->csr_estat); exccode = ((regs->csr_estat) & CSR_ESTAT_EXC) >> CSR_ESTAT_EXC_SHIFT; |