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x86: Forward declare gd_t

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So it can be used as a type in struct global_data and remove an ugly typecast

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Graeme Russ 2012-11-27 15:38:35 +00:00 committed by Simon Glass
parent d41b3cc16f
commit e4fb611649
3 changed files with 7 additions and 5 deletions
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2
arch/x86/cpu/cpu.c
View File

@ -92,7 +92,7 @@ static void load_gdt(const u64 *boot_gdt, u16 num_entries)
void init_gd(gd_t *id, u64 *gdt_addr)
{
id->gd_addr = (ulong)id;
id->gd_addr = id;
setup_gdt(id, gdt_addr);
}

8
arch/x86/include/asm/global_data.h
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@ -33,9 +33,11 @@
#ifndef __ASSEMBLY__
typedef struct global_data {
typedef struct global_data gd_t;
struct global_data {
/* NOTE: gd_addr MUST be first member of struct global_data! */
unsigned long gd_addr; /* Location of Global Data */
gd_t *gd_addr; /* Location of Global Data */
bd_t *bd;
unsigned long flags;
unsigned int baudrate;
@ -57,7 +59,7 @@ typedef struct global_data {
unsigned long reset_status; /* reset status register at boot */
void **jt; /* jump table */
char env_buf[32]; /* buffer for getenv() before reloc. */
} gd_t;
};
static inline gd_t *get_fs_gd_ptr(void)
{

2
arch/x86/lib/init_helpers.c
View File

@ -126,7 +126,7 @@ int copy_gd_to_ram_f_r(void)
* in-RAM copy of Global Data (calculate_relocation_address()
* has already calculated the in-RAM location of the GDT)
*/
ram_gd->gd_addr = (ulong)ram_gd;
ram_gd->gd_addr = ram_gd;
init_gd(ram_gd, (u64 *)gd->gdt_addr);
return 0;