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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-18 10:36:33 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-31 09:51:50 +0100 |
| commit | bae775a4f43449e79622ed144118554ff780744a (patch) | |
| tree | de6094464d801f18c33bb6e929ee9afef0cfce82 /src/cpu | |
| parent | a91e1e6cc18b3d510a8dd5e3b2c7bdbba3299369 (diff) | |
arch/x86: Declare GDT symbols and move_gdt()
We relocate GDT to CBMEM, this can be done late in ramstage.
Note: We currently do this for BSP CPU only.
Change-Id: I626faaf22f846433f25ca2253d6a2a5230f50b6b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7858
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/x86/lapic/lapic_cpu_init.c | 7 | ||||
| -rw-r--r-- | src/cpu/x86/mp_init.c | 5 |
2 files changed, 2 insertions, 10 deletions
diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c index 61b6bd72f7..472d6edf60 100644 --- a/src/cpu/x86/lapic/lapic_cpu_init.c +++ b/src/cpu/x86/lapic/lapic_cpu_init.c @@ -21,6 +21,7 @@ */ #include <cpu/x86/cr.h> +#include <cpu/x86/gdt.h> #include <cpu/x86/lapic.h> #include <delay.h> #include <halt.h> @@ -53,11 +54,6 @@ char *lowmem_backup_ptr; int lowmem_backup_size; #endif -extern char _secondary_start[]; -extern char _secondary_gdt_addr[]; -extern char gdt[]; -extern char gdt_end[]; - static inline void setup_secondary_gdt(void) { u16 *gdt_limit; @@ -72,7 +68,6 @@ static inline void setup_secondary_gdt(void) static void copy_secondary_start_to_lowest_1M(void) { - extern char _secondary_start_end[]; unsigned long code_size; /* Fill in secondary_start's local gdt. */ diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c index a97a4c532b..3e293f60c4 100644 --- a/src/cpu/x86/mp_init.c +++ b/src/cpu/x86/mp_init.c @@ -26,6 +26,7 @@ #include <cpu/cpu.h> #include <cpu/intel/microcode.h> #include <cpu/x86/cache.h> +#include <cpu/x86/gdt.h> #include <cpu/x86/lapic.h> #include <cpu/x86/name.h> #include <cpu/x86/msr.h> @@ -67,10 +68,6 @@ struct saved_msr { /* The sipi vector rmodule is included in the ramstage using 'objdump -B'. */ extern char _binary_sipi_vector_start[]; -/* These symbols are defined in c_start.S. */ -extern char gdt[]; -extern char gdt_end[]; -extern char idtarg[]; /* The SIPI vector is loaded at the SMM_DEFAULT_BASE. The reason is at the * memory range is already reserved so the OS cannot use it. That region is |