[i386] Remove long-obsolete callbacks_arch.h file

src/arch/i386/include/callbacks_arch.h

@@ -1,243 +0,0 @@
-/* Callout/callback interface for Etherboot
- *
- * This file provides the mechanisms for making calls from Etherboot
- * to external programs and vice-versa.
- *
- * Initial version by Michael Brown <mbrown@fensystems.co.uk>, January 2004.
- *
- * $Id$
- */
-
-#ifndef CALLBACKS_ARCH_H
-#define CALLBACKS_ARCH_H
-
-/* Skip the definitions that won't make sense to the assembler */
-#ifndef ASSEMBLY
-
-/* Struct to hold general-purpose register values.  PUSHAL and POPAL
- * can work directly with this structure; do not change the order of
- * registers.
- */
-typedef struct {
-	union {
-		uint16_t di;
-		uint32_t edi;
-	};
-	union {
-		uint16_t si;
-		uint32_t esi;
-	};
-	union {
-		uint16_t bp;
-		uint32_t ebp;
-	};
-	union {
-		uint16_t sp;
-		uint32_t esp;
-	};
-	union {
-		struct {
-			uint8_t bl;
-			uint8_t bh;
-		} PACKED;
-		uint16_t bx;
-		uint32_t ebx;
-	};
-	union {
-		struct {
-			uint8_t dl;
-			uint8_t dh;
-		} PACKED;
-		uint16_t dx;
-		uint32_t edx;
-	};
-	union {
-		struct {
-			uint8_t cl;
-			uint8_t ch;
-		} PACKED;
-		uint16_t cx;
-		uint32_t ecx;
-	};
-	union {
-		struct {
-			uint8_t al;
-			uint8_t ah;
-		} PACKED;
-		uint16_t ax;
-		uint32_t eax;
-	};
-} regs_t;
-
-/* Struct to hold segment register values.  Don't change the order;
- * many bits of assembly code rely on it.
- */
-typedef struct {
-	uint16_t cs;
-	uint16_t ss;
-	uint16_t ds;
-	uint16_t es;
-	uint16_t fs;
-	uint16_t gs;
-} PACKED seg_regs_t;
-
-/* Struct for a GDT descriptor */
-typedef struct {
-		uint16_t limit;
-		uint32_t address;
-		uint16_t padding;
-} PACKED gdt_descriptor_t;
-
-/* Struct for a GDT entry.  Use GDT_SEGMENT() to fill it in.
- */
-typedef struct {
-	uint16_t limit_0_15;
-	uint16_t base_0_15;
-	uint8_t base_16_23;
-	uint8_t accessed__type__sflag__dpl__present;
-	uint8_t limit_16_19__avl__size__granularity;
-	uint8_t base_24_31;
-} PACKED gdt_segment_t;
-
-#define GDT_SEGMENT(base,limit,type,sflag,dpl,avl,size,granularity) \
-	( (gdt_segment_t) { \
-		( (limit) & 0xffff ), \
-		( (base) & 0xffff ), \
-		( ( (base) >> 16 ) & 0xff ), \
-		( ( 1 << 0 ) | ( (type) << 1 ) | \
-		  ( (sflag) << 4 ) | ( (dpl) << 5 ) | ( 1 << 7 ) ), \
-		( ( (limit) >> 16 ) | \
-		  ( (avl) << 4 ) | ( (size) << 5 ) | ( (granularity) << 7 ) ),\
-		( (base) >> 24 ) \
-	} )
-#define GDT_SEGMENT_BASE(gdt_segment) \
-	( (gdt_segment)->base_0_15 | \
-	  (gdt_segment)->base_16_23 << 16 | \
-	  (gdt_segment)->base_24_31 << 24 )
-#define GDT_SEGMENT_LIMIT(gdt_segment) \
-	( (gdt_segment)->limit_0_15 | \
-	  ( ( (gdt_segment)->limit_16_19__avl__size__granularity \
-	      & 0xf ) << 16 ) )
-#define GDT_SEGMENT_GRANULARITY(gdt_segment) \
-	( ( (gdt_segment)->limit_16_19__avl__size__granularity \
-	    & 0x80 ) >> 7 )
-#define GDT_SEGMENT_TYPE(gdt_segment) \
-	( ( (gdt_segment)->accessed__type__sflag__dpl__present & 0x0e ) >> 1 )
-#define GDT_SEGMENT_SIZE(gdt_segment) \
-	( ( (gdt_segment)->limit_16_19__avl__size__granularity \
-	    & 0x60 ) >> 5 )
-
-#define GDT_TYPE_DATA			(0x0)
-#define GDT_TYPE_STACK			(0x2)
-#define GDT_TYPE_WRITEABLE		(0x1)
-#define GDT_TYPE_CODE			(0x6)
-#define GDT_TYPE_EXEC_ONLY_CODE		(0x4)
-#define GDT_TYPE_CONFORMING		(0x1)
-#define GDT_SFLAG_SYSTEM		(0)
-#define GDT_SFLAG_NORMAL		(1)
-#define GDT_AVL_NORMAL			(0)
-#define GDT_SIZE_16BIT			(0x0)
-#define GDT_SIZE_32BIT			(0x2)
-#define GDT_SIZE_64BIT			(0x1)
-#define GDT_SIZE_UNKNOWN		(0x3)
-#define GDT_GRANULARITY_SMALL		(0)
-#define GDT_GRANULARITY_LARGE		(1)
-#define GDT_SEGMENT_NORMAL(base,limit,type,size,granularity) \
-	GDT_SEGMENT ( base, limit, type, \
-		      GDT_SFLAG_NORMAL, 0, GDT_AVL_NORMAL, \
-		      size, granularity )
-
-/* Protected mode code segment */
-#define GDT_SEGMENT_PMCS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xfffff, GDT_TYPE_CODE | GDT_TYPE_CONFORMING, \
-	GDT_SIZE_32BIT, GDT_GRANULARITY_LARGE )
-#define GDT_SEGMENT_PMCS_PHYS GDT_SEGMENT_PMCS(0)
-/* Protected mode data segment */
-#define GDT_SEGMENT_PMDS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xfffff, GDT_TYPE_DATA | GDT_TYPE_WRITEABLE, \
-	GDT_SIZE_32BIT, GDT_GRANULARITY_LARGE )
-#define GDT_SEGMENT_PMDS_PHYS GDT_SEGMENT_PMDS(0)
-/* Real mode code segment */
-/* Not sure if there's any reason to use GDT_TYPE_EXEC_ONLY_CODE
- * instead of just GDT_TYPE_CODE, but that's what our old GDT did and
- * it worked, so I'm not changing it.
- */
-#define GDT_SEGMENT_RMCS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xffff, GDT_TYPE_EXEC_ONLY_CODE | GDT_TYPE_CONFORMING, \
-	GDT_SIZE_16BIT, GDT_GRANULARITY_SMALL )
-/* Real mode data segment */
-#define GDT_SEGMENT_RMDS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xffff, GDT_TYPE_DATA | GDT_TYPE_WRITEABLE, \
-	GDT_SIZE_16BIT, GDT_GRANULARITY_SMALL )
-/* Long mode code segment */
-#define GDT_SEGMENT_LMCS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xfffff, GDT_TYPE_CODE | GDT_TYPE_CONFORMING, \
-	GDT_SIZE_64BIT, GDT_GRANULARITY_LARGE )
-#define GDT_SEGMENT_LMCS_PHYS GDT_SEGMENT_LMCS(0)
-/* Long mode data segment */
-/* AFIACT, GDT_SIZE_64BIT applies only to code segments */
-#define GDT_SEGMENT_LMDS(base) GDT_SEGMENT_NORMAL ( \
-	base, 0xfffff, GDT_TYPE_DATA | GDT_TYPE_WRITEABLE, \
-	GDT_SIZE_32BIT, GDT_GRANULARITY_LARGE )
-#define GDT_SEGMENT_LMDS_PHYS GDT_SEGMENT_LMDS(0)
-
-/* Template for creating GDT structures (including segment register
- * lists), suitable for passing as parameters to external_call().
- */
-#define GDT_STRUCT_t(num_segments) \
-	struct { \
-		gdt_descriptor_t descriptor; \
-		gdt_segment_t segments[num_segments]; \
-	} PACKED
-/* And utility function for filling it in */
-#define GDT_ADJUST(structure) { \
-	(structure)->descriptor.address = \
-		virt_to_phys(&((structure)->descriptor.limit)); \
-	(structure)->descriptor.limit = \
-		sizeof((structure)->segments) + 8 - 1; \
-	(structure)->descriptor.padding = 0; \
-}
-
-/* Data passed in to in_call() by assembly wrapper.
- */
-typedef struct {
-	regs_t		regs;
-	seg_regs_t	seg_regs;
-	gdt_descriptor_t gdt_desc;
-	uint32_t	flags;
-	struct {
-		uint32_t offset;
-		uint32_t segment;
-	} ret_addr;
-} PACKED i386_pm_in_call_data_t;
-
-typedef struct {
-	seg_regs_t	seg_regs;
-	union {
-		uint16_t	pad;
-		uint16_t	prefix_sp;
-	};
-	uint16_t	flags;
-	struct {
-		uint16_t offset;
-		uint16_t segment;
-	} ret_addr;
-	uint32_t orig_opcode;
-} PACKED i386_rm_in_call_data_t;
-
-typedef struct {
-	i386_pm_in_call_data_t *pm;
-	i386_rm_in_call_data_t *rm;
-} i386_in_call_data_t;
-#define in_call_data_t i386_in_call_data_t
-
-/* Function prototypes
- */
-extern int install_rm_callback_interface ( void *address, size_t available );
-
-#endif /* ASSEMBLY */
-
-#define RM_IN_CALL	(0)
-#define RM_IN_CALL_FAR	(2)
-
-#endif /* CALLBACKS_ARCH_H */