diff options
Diffstat (limited to 'purgatory/arch/x86_64/purgatory-x86_64.c')
-rw-r--r-- | purgatory/arch/x86_64/purgatory-x86_64.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/purgatory/arch/x86_64/purgatory-x86_64.c b/purgatory/arch/x86_64/purgatory-x86_64.c new file mode 100644 index 0000000..c25a9c2 --- /dev/null +++ b/purgatory/arch/x86_64/purgatory-x86_64.c @@ -0,0 +1,30 @@ +#include <stdint.h> +#include <stddef.h> +#include <purgatory.h> +#include "purgatory-x86_64.h" + +uint8_t reset_vga = 0; +uint8_t legacy_pic = 0; +uint8_t panic_kernel = 0; +unsigned long jump_back_entry = 0; +char *cmdline_end = NULL; + +void setup_arch(void) +{ + if (reset_vga) x86_reset_vga(); + if (legacy_pic) x86_setup_legacy_pic(); +} + +void x86_setup_jump_back_entry(void) +{ + if (cmdline_end) + sprintf(cmdline_end, " kexec_jump_back_entry=0x%lx", + jump_back_entry); +} + +/* This function can be used to execute after the SHA256 verification. */ +void post_verification_setup_arch(void) +{ + if (panic_kernel) crashdump_backup_memory(); + if (jump_back_entry) x86_setup_jump_back_entry(); +} |