diff options
Diffstat (limited to 'arch/arc/kernel/troubleshoot.c')
| -rw-r--r-- | arch/arc/kernel/troubleshoot.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index e00a01879025..e0cf99893212 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -14,6 +14,7 @@ #include <linux/proc_fs.h> #include <linux/file.h> #include <asm/arcregs.h> +#include <asm/irqflags.h> /* * Common routine to print scratch regs (r0-r12) or callee regs (r13-r25) @@ -34,7 +35,10 @@ static noinline void print_reg_file(long *reg_rev, int start_num) n += scnprintf(buf + n, len - n, "\n"); /* because pt_regs has regs reversed: r12..r0, r25..r13 */ - reg_rev--; + if (is_isa_arcv2() && start_num == 0) + reg_rev++; + else + reg_rev--; } if (start_num != 0) @@ -152,6 +156,15 @@ static void show_ecr_verbose(struct pt_regs *regs) ((cause_code == 0x02) ? "Write" : "EX")); } else if (vec == ECR_V_INSN_ERR) { pr_cont("Illegal Insn\n"); +#ifdef CONFIG_ISA_ARCV2 + } else if (vec == ECR_V_MEM_ERR) { + if (cause_code == 0x00) + pr_cont("Bus Error from Insn Mem\n"); + else if (cause_code == 0x10) + pr_cont("Bus Error from Data Mem\n"); + else + pr_cont("Bus Error, check PRM\n"); +#endif } else { pr_cont("Check Programmer's Manual\n"); } @@ -185,12 +198,20 @@ void show_regs(struct pt_regs *regs) pr_info("[STAT32]: 0x%08lx", regs->status32); -#define STS_BIT(r, bit) r->status32 & STATUS_##bit##_MASK ? #bit : "" - if (!user_mode(regs)) - pr_cont(" : %2s %2s %2s %2s %2s\n", - STS_BIT(regs, AE), STS_BIT(regs, A2), STS_BIT(regs, A1), - STS_BIT(regs, E2), STS_BIT(regs, E1)); +#define STS_BIT(r, bit) r->status32 & STATUS_##bit##_MASK ? #bit" " : "" +#ifdef CONFIG_ISA_ARCOMPACT + pr_cont(" : %2s%2s%2s%2s%2s%2s%2s\n", + (regs->status32 & STATUS_U_MASK) ? "U " : "K ", + STS_BIT(regs, DE), STS_BIT(regs, AE), + STS_BIT(regs, A2), STS_BIT(regs, A1), + STS_BIT(regs, E2), STS_BIT(regs, E1)); +#else + pr_cont(" : %2s%2s%2s%2s\n", + STS_BIT(regs, IE), + (regs->status32 & STATUS_U_MASK) ? "U " : "K ", + STS_BIT(regs, DE), STS_BIT(regs, AE)); +#endif pr_info("BTA: 0x%08lx\t SP: 0x%08lx\t FP: 0x%08lx\n", regs->bta, regs->sp, regs->fp); pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n", |
