diff options
| -rw-r--r-- | arch/arm/lib/interrupts_64.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/arch/arm/lib/interrupts_64.c b/arch/arm/lib/interrupts_64.c index 2e091415a4..125dc0bb39 100644 --- a/arch/arm/lib/interrupts_64.c +++ b/arch/arm/lib/interrupts_64.c @@ -37,6 +37,40 @@ static void show_efi_loaded_images(struct pt_regs *regs) efi_print_image_infos((void *)regs->elr); } +static void dump_far(unsigned long esr) +{ + unsigned long el, far; + + switch ((esr >> 26) & 0b111111) { + case 0x20: + case 0x21: + case 0x24: + case 0x25: + case 0x22: + case 0x34: + case 0x35: + break; + default: + return; + } + + asm("mrs %0, CurrentEl": "=r" (el)); + + switch (el >> 2) { + case 1: + asm("mrs %0, FAR_EL1": "=r" (far)); + break; + case 2: + asm("mrs %0, FAR_EL2": "=r" (far)); + break; + default: + /* don't print anything to make output pretty */ + return; + } + + printf(", far 0x%lx", far); +} + static void dump_instr(struct pt_regs *regs) { u32 *addr = (u32 *)(regs->elr & ~3UL); @@ -165,7 +199,9 @@ void do_sync(struct pt_regs *pt_regs) smh_emulate_trap(pt_regs)) return; efi_restore_gd(); - printf("\"Synchronous Abort\" handler, esr 0x%08lx\n", pt_regs->esr); + printf("\"Synchronous Abort\" handler, esr 0x%08lx", pt_regs->esr); + dump_far(pt_regs->esr); + printf("\n"); show_regs(pt_regs); show_efi_loaded_images(pt_regs); panic("Resetting CPU ...\n"); |