Commit 5e3e784d authored May 01, 2023 by WANG Xuerui Committed by Huacai Chen May 01, 2023

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>

parent 9718d96c

arch/loongarch/kernel/traps.c

+14 −1

Original line number	Diff line number	Diff line
		@@ -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;