diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-08-25 19:55:12 +0200 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-09-10 14:27:15 +0800 |
| commit | 74b76357dfd75550cd9a511e71990d414a4d023e (patch) | |
| tree | 7776ea879299bed07d8ce7d77b3667b49d39dbd6 /arch/x86/cpu | |
| parent | 5a8558053dfc11056228aa71359915098aa1c4cb (diff) | |
x86: show UEFI images involved in crash
If a crash occurs, show the loaded UEFI images to facilitate analysis.
This is an example output:
=> bootefi 0x1000000
Found 0 disks
Hello world of bugs!
Invalid Opcode (Undefined Opcode)
EIP: 0010:[<06ceb06e>] EFLAGS: 00010206
Original EIP :[<fec9906e>]
EAX: 00000000 EBX: 06cec000 ECX: 00000fd0 EDX: 00000001
ESI: 06ced18a EDI: 07d0fe10 EBP: 07fe27a0 ESP: 07d0fde0
DS: 0018 ES: 0018 FS: 0020 GS: 0018 SS: 0018
CR0: 00000033 CR2: 00000000 CR3: 00000000 CR4: 00000000
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
Stack:
0x07d0fde8 : 0x00000000
0x07d0fde4 : 0x06ced040
--->0x07d0fde0 : 0x07fe27a0
0x07d0fddc : 0x00010206
0x07d0fdd8 : 0x00000010
0x07d0fdd4 : 0x06ceb06e
UEFI image [0x06cea000:0x06cf0fff] pc=0x106e '/bug-i386.efi'
### ERROR ### Please RESET the board ###
With the additional information provided by this patch we know that the
problem occurred 0x106e after the load address of bug-i386.efi.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/i386/interrupt.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/cpu/i386/interrupt.c b/arch/x86/cpu/i386/interrupt.c index 47df3172b7..1445204878 100644 --- a/arch/x86/cpu/i386/interrupt.c +++ b/arch/x86/cpu/i386/interrupt.c @@ -12,6 +12,7 @@ #include <common.h> #include <dm.h> +#include <efi_loader.h> #include <asm/control_regs.h> #include <asm/i8259.h> #include <asm/interrupt.h> @@ -64,6 +65,18 @@ static char *exceptions[] = { "Reserved" }; +/** + * show_efi_loaded_images() - show loaded UEFI images + * + * List all loaded UEFI images. + * + * @eip: instruction pointer + */ +static void show_efi_loaded_images(uintptr_t eip) +{ + efi_print_image_infos((void *)eip); +} + static void dump_regs(struct irq_regs *regs) { unsigned long cs, eip, eflags; @@ -144,6 +157,7 @@ static void dump_regs(struct irq_regs *regs) printf("0x%8.8lx : 0x%8.8lx\n", sp, (ulong)readl(sp)); sp -= 4; } + show_efi_loaded_images(eip); } static void do_exception(struct irq_regs *regs) |