From e4fb6116495eafbeee5ea8ff7ea245eb5e96d012 Mon Sep 17 00:00:00 2001 From: Graeme Russ Date: Tue, 27 Nov 2012 15:38:35 +0000 Subject: [PATCH] x86: Forward declare gd_t So it can be used as a type in struct global_data and remove an ugly typecast Signed-off-by: Graeme Russ Signed-off-by: Simon Glass Acked-by: Marek Vasut --- arch/x86/cpu/cpu.c | 2 +- arch/x86/include/asm/global_data.h | 8 +++++--- arch/x86/lib/init_helpers.c | 2 +- 3 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index e9bb0d7..67de6bc 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -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); } diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index bce999f..13a3ce8 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -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) { diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c index 9ec34ff..2f718d7 100644 --- a/arch/x86/lib/init_helpers.c +++ b/arch/x86/lib/init_helpers.c @@ -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; -- 2.7.4