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Diffstat (limited to 'arch/x86/include/asm/setup.h')
-rw-r--r--arch/x86/include/asm/setup.h140
1 files changed, 77 insertions, 63 deletions
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index ebe858cdc8a..ff4e7b236e2 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -1,62 +1,11 @@
#ifndef _ASM_X86_SETUP_H
#define _ASM_X86_SETUP_H
-#define COMMAND_LINE_SIZE 2048
-
-#ifndef __ASSEMBLY__
-
-/* Interrupt control for vSMPowered x86_64 systems */
-void vsmp_init(void);
+#include <uapi/asm/setup.h>
+#define COMMAND_LINE_SIZE 2048
-void setup_bios_corruption_check(void);
-
-
-#ifdef CONFIG_X86_VISWS
-extern void visws_early_detect(void);
-extern int is_visws_box(void);
-#else
-static inline void visws_early_detect(void) { }
-static inline int is_visws_box(void) { return 0; }
-#endif
-
-extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
-extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip);
-/*
- * Any setup quirks to be performed?
- */
-struct mpc_cpu;
-struct mpc_bus;
-struct mpc_oemtable;
-struct x86_quirks {
- int (*arch_pre_time_init)(void);
- int (*arch_time_init)(void);
- int (*arch_pre_intr_init)(void);
- int (*arch_intr_init)(void);
- int (*arch_trap_init)(void);
- char * (*arch_memory_setup)(void);
- int (*mach_get_smp_config)(unsigned int early);
- int (*mach_find_smp_config)(unsigned int reserve);
-
- int *mpc_record;
- int (*mpc_apic_id)(struct mpc_cpu *m);
- void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
- void (*mpc_oem_pci_bus)(struct mpc_bus *m);
- void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
- unsigned short oemsize);
- int (*setup_ioapic_ids)(void);
- int (*update_genapic)(void);
-};
-
-extern struct x86_quirks *x86_quirks;
-extern unsigned long saved_video_mode;
-
-#ifndef CONFIG_PARAVIRT
-#define paravirt_post_allocator_init() do {} while (0)
-#endif
-#endif /* __ASSEMBLY__ */
-
-#ifdef __KERNEL__
+#include <linux/linkage.h>
#ifdef __i386__
@@ -77,9 +26,41 @@ extern unsigned long saved_video_mode;
#ifndef __ASSEMBLY__
#include <asm/bootparam.h>
+#include <asm/x86_init.h>
+
+extern u64 relocated_ramdisk;
+
+/* Interrupt control for vSMPowered x86_64 systems */
+#ifdef CONFIG_X86_64
+void vsmp_init(void);
+#else
+static inline void vsmp_init(void) { }
+#endif
+
+void setup_bios_corruption_check(void);
+
+extern unsigned long saved_video_mode;
+
+extern void reserve_standard_io_resources(void);
+extern void i386_reserve_resources(void);
+extern void setup_default_timer_irq(void);
+
+#ifdef CONFIG_X86_INTEL_MID
+extern void x86_intel_mid_early_setup(void);
+#else
+static inline void x86_intel_mid_early_setup(void) { }
+#endif
+
+#ifdef CONFIG_X86_INTEL_CE
+extern void x86_ce4100_early_setup(void);
+#else
+static inline void x86_ce4100_early_setup(void) { }
+#endif
#ifndef _SETUP
+#include <asm/espfix.h>
+
/*
* This is set up by the setup-routine at boot-time
*/
@@ -91,22 +72,55 @@ extern struct boot_params boot_params;
*/
#define LOWMEMSIZE() (0x9f000)
-#ifdef __i386__
+/* exceedingly early brk-like allocator */
+extern unsigned long _brk_end;
+void *extend_brk(size_t size, size_t align);
+
+/*
+ * Reserve space in the brk section. The name must be unique within
+ * the file, and somewhat descriptive. The size is in bytes. Must be
+ * used at file scope.
+ *
+ * (This uses a temp function to wrap the asm so we can pass it the
+ * size parameter; otherwise we wouldn't be able to. We can't use a
+ * "section" attribute on a normal variable because it always ends up
+ * being @progbits, which ends up allocating space in the vmlinux
+ * executable.)
+ */
+#define RESERVE_BRK(name,sz) \
+ static void __section(.discard.text) __used notrace \
+ __brk_reservation_fn_##name##__(void) { \
+ asm volatile ( \
+ ".pushsection .brk_reservation,\"aw\",@nobits;" \
+ ".brk." #name ":" \
+ " 1:.skip %c0;" \
+ " .size .brk." #name ", . - 1b;" \
+ " .popsection" \
+ : : "i" (sz)); \
+ }
+
+/* Helper for reserving space for arrays of things */
+#define RESERVE_BRK_ARRAY(type, name, entries) \
+ type *name; \
+ RESERVE_BRK(name, sizeof(type) * entries)
-void __init i386_start_kernel(void);
extern void probe_roms(void);
+#ifdef __i386__
-extern unsigned long init_pg_tables_start;
-extern unsigned long init_pg_tables_end;
+asmlinkage void __init i386_start_kernel(void);
#else
-void __init x86_64_init_pda(void);
-void __init x86_64_start_kernel(char *real_mode);
-void __init x86_64_start_reservations(char *real_mode_data);
+asmlinkage void __init x86_64_start_kernel(char *real_mode);
+asmlinkage void __init x86_64_start_reservations(char *real_mode_data);
#endif /* __i386__ */
#endif /* _SETUP */
+#else
+#define RESERVE_BRK(name,sz) \
+ .pushsection .brk_reservation,"aw",@nobits; \
+.brk.name: \
+1: .skip sz; \
+ .size .brk.name,.-1b; \
+ .popsection
#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
-
#endif /* _ASM_X86_SETUP_H */