diff options
Diffstat (limited to 'src/arch/x86/assembly_entry.S')
| -rw-r--r-- | src/arch/x86/assembly_entry.S | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/src/arch/x86/assembly_entry.S b/src/arch/x86/assembly_entry.S index e5e7d4835b..a5399b74a5 100644 --- a/src/arch/x86/assembly_entry.S +++ b/src/arch/x86/assembly_entry.S @@ -16,33 +16,21 @@ #include <rules.h> -/* - *Take the path where CAR_GLOBAL variables just need to be cleared when - * verstage runs directly after bootblock. - */ -#define ROMSTAGE_AFTER_VERSTAGE \ - (IS_ENABLED(CONFIG_VBOOT_SEPARATE_VERSTAGE) && \ - IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK) && ENV_ROMSTAGE) - -#if IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK) || ROMSTAGE_AFTER_VERSTAGE +#if IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK) /* * This path is for stages that are post bootblock when employing - * CONFIG_C_ENVIRONMENT_BOOTBLOCK or any intermediate stage succeeding - * the first stage to initialize protected mode. There's no need to re-load - * the gdt, etc as all those settings are cached within the processor. In - * order to continue with C code execution one needs to set stack pointer and + * CONFIG_C_ENVIRONMENT_BOOTBLOCK. There's no need to re-load the gdt, + * etc as all those settings are cached within the processor. In order + * to continue with C code execution one needs to set stack pointer and * clear CAR_GLOBAL variables that are stage specific. */ .section ".text._start", "ax", @progbits .global _start _start: -/* _car_stack_end symbol is only valid when bootblock does CAR setup. */ -#if IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK) /* reset stack pointer to CAR stack */ mov $_car_stack_end, %esp -#endif /* clear CAR_GLOBAL area as it is not shared */ cld |