diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-11-12 00:29:56 +0100 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-12-13 07:58:17 -0700 |
| commit | b46f30a378673a5c789d145c1d8d0d76312714d8 (patch) | |
| tree | 2065881150fea2870cbda7f5e2634cd68d2498dd /arch/sandbox/lib | |
| parent | 21f9075def91ccbed3620c187cc2e15c0a94bac4 (diff) | |
sandbox: add handler for exceptions
Add a handler for SIGILL, SIGBUS, SIGSEGV.
When an exception occurs print the program counter and the loaded
UEFI binaries and reset the system if CONFIG_SANDBOX_CRASH_RESET=y
or exit to the OS otherwise.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox/lib')
| -rw-r--r-- | arch/sandbox/lib/interrupts.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sandbox/lib/interrupts.c b/arch/sandbox/lib/interrupts.c index 21f761ac3b0..9c2c60b8c68 100644 --- a/arch/sandbox/lib/interrupts.c +++ b/arch/sandbox/lib/interrupts.c @@ -6,7 +6,13 @@ */ #include <common.h> +#include <efi_loader.h> #include <irq_func.h> +#include <os.h> +#include <asm-generic/signal.h> +#include <asm/u-boot-sandbox.h> + +DECLARE_GLOBAL_DATA_PTR; int interrupt_init(void) { @@ -21,3 +27,32 @@ int disable_interrupts(void) { return 0; } + +void os_signal_action(int sig, unsigned long pc) +{ + efi_restore_gd(); + + switch (sig) { + case SIGILL: + printf("\nIllegal instruction\n"); + break; + case SIGBUS: + printf("\nBus error\n"); + break; + case SIGSEGV: + printf("\nSegmentation violation\n"); + break; + default: + break; + } + printf("pc = 0x%lx, ", pc); + printf("pc_reloc = 0x%lx\n\n", pc - gd->reloc_off); + efi_print_image_infos((void *)pc); + + if (IS_ENABLED(CONFIG_SANDBOX_CRASH_RESET)) { + printf("resetting ...\n\n"); + sandbox_reset(); + } else { + sandbox_exit(); + } +} |