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This commit is contained in:
BVK Chaitanya 2010-08-12 12:02:48 +05:30
commit 163dd4f7e9
63 changed files with 3999 additions and 1439 deletions
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2
include/grub/bsdlabel.h
View file

@ -63,6 +63,8 @@
#define GRUB_PC_PARTITION_OPENBSD_TYPE_NTFS 18
#define GRUB_PC_PARTITION_OPENBSD_TYPE_RAID 19
#define GRUB_PC_PARTITION_BSD_LABEL_WHOLE_DISK_PARTITION 2
/* The BSD partition entry. */
struct grub_partition_bsd_entry
{

36
include/grub/emu/misc.h
View file

@ -1,8 +1,27 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_EMU_MISC_H
#define GRUB_EMU_MISC_H 1
#include <grub/symbol.h>
#include <grub/types.h>
#include <grub/util/libzfs.h>
#ifdef __CYGWIN__
# include <sys/fcntl.h>
@ -26,12 +45,16 @@ extern const char *program_name;
void grub_init_all (void);
void grub_fini_all (void);
char *grub_make_system_path_relative_to_its_root (const char *path);
void grub_find_zpool_from_dir (const char *dir,
char **poolname, char **poolfs);
void * EXPORT_FUNC(xmalloc) (grub_size_t size);
void * EXPORT_FUNC(xrealloc) (void *ptr, grub_size_t size);
char * EXPORT_FUNC(xstrdup) (const char *str);
char * EXPORT_FUNC(xasprintf) (const char *fmt, ...);
char *grub_make_system_path_relative_to_its_root (const char *path)
__attribute__ ((warn_unused_result));
void * EXPORT_FUNC(xmalloc) (grub_size_t size) __attribute__ ((warn_unused_result));
void * EXPORT_FUNC(xrealloc) (void *ptr, grub_size_t size) __attribute__ ((warn_unused_result));
char * EXPORT_FUNC(xstrdup) (const char *str) __attribute__ ((warn_unused_result));
char * EXPORT_FUNC(xasprintf) (const char *fmt, ...) __attribute__ ((warn_unused_result));
void EXPORT_FUNC(grub_util_warn) (const char *fmt, ...);
void EXPORT_FUNC(grub_util_info) (const char *fmt, ...);
@ -45,11 +68,12 @@ int EXPORT_FUNC(vasprintf) (char **buf, const char *fmt, va_list ap);
int EXPORT_FUNC(asprintf) (char **buf, const char *fmt, ...);
#endif
char * EXPORT_FUNC(xasprintf) (const char *fmt, ...);
extern char * canonicalize_file_name (const char *path);
#ifdef HAVE_DEVICE_MAPPER
int grub_device_mapper_supported (void);
#endif
libzfs_handle_t *grub_get_libzfs_handle (void);
#endif /* GRUB_EMU_MISC_H */

10
include/grub/misc.h
View file

@ -231,10 +231,10 @@ grub_strtol (const char *str, char **end, int base)
}
}
char *EXPORT_FUNC(grub_strdup) (const char *s);
char *EXPORT_FUNC(grub_strndup) (const char *s, grub_size_t n);
char *EXPORT_FUNC(grub_strdup) (const char *s) __attribute__ ((warn_unused_result));
char *EXPORT_FUNC(grub_strndup) (const char *s, grub_size_t n) __attribute__ ((warn_unused_result));
void *EXPORT_FUNC(grub_memset) (void *s, int c, grub_size_t n);
grub_size_t EXPORT_FUNC(grub_strlen) (const char *s);
grub_size_t EXPORT_FUNC(grub_strlen) (const char *s) __attribute__ ((warn_unused_result));
int EXPORT_FUNC(grub_printf) (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
int EXPORT_FUNC(grub_printf_) (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
@ -261,8 +261,8 @@ int EXPORT_FUNC(grub_snprintf) (char *str, grub_size_t n, const char *fmt, ...)
int EXPORT_FUNC(grub_vsnprintf) (char *str, grub_size_t n, const char *fmt,
va_list args);
char *EXPORT_FUNC(grub_xasprintf) (const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
char *EXPORT_FUNC(grub_xvasprintf) (const char *fmt, va_list args);
__attribute__ ((format (printf, 1, 2))) __attribute__ ((warn_unused_result));
char *EXPORT_FUNC(grub_xvasprintf) (const char *fmt, va_list args) __attribute__ ((warn_unused_result));
void EXPORT_FUNC(grub_exit) (void) __attribute__ ((noreturn));
void EXPORT_FUNC(grub_abort) (void) __attribute__ ((noreturn));
grub_uint64_t EXPORT_FUNC(grub_divmod64) (grub_uint64_t n,

4
include/grub/partition.h
View file

@ -48,7 +48,7 @@ struct grub_partition
/* The partition number. */
int number;
/* The start sector. */
/* The start sector (relative to parent). */
grub_disk_addr_t start;
/* The length in sector units. */
@ -60,7 +60,7 @@ struct grub_partition
/* The index of this partition in the partition table. */
int index;
/* Parent partition map. */
/* Parent partition (physically contains this partition). */
struct grub_partition *parent;
/* The type partition map. */

1
include/grub/pci.h
View file

@ -80,6 +80,7 @@
#define GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT 9
#define GRUB_PCI_STATUS_DEVSEL_TIMING_MASK 0x0600
#define GRUB_PCI_CLASS_SUBCLASS_VGA 0x0300
#ifndef ASM_FILE
typedef grub_uint32_t grub_pci_id_t;

7
include/grub/raid.h
View file

@ -1,7 +1,7 @@
/* raid.h - On disk structures for RAID. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2006,2007,2008,2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -51,6 +51,8 @@ struct grub_raid_array
char *name; /* That will be "md<number>". */
unsigned int nr_devs; /* The number of devices we've found so far. */
grub_disk_t device[GRUB_RAID_MAX_DEVICES]; /* Array of total_devs devices. */
grub_disk_addr_t start_sector[GRUB_RAID_MAX_DEVICES];
/* Start of each device, in 512 byte sectors. */
struct grub_raid_array *next;
};
@ -58,7 +60,8 @@ struct grub_raid
{
const char *name;
grub_err_t (*detect) (grub_disk_t disk, struct grub_raid_array *array);
grub_err_t (*detect) (grub_disk_t disk, struct grub_raid_array *array,
grub_disk_addr_t *start_sector);
struct grub_raid *next;
};

26
include/grub/usb.h
View file

@ -104,7 +104,7 @@ struct grub_usb_controller_dev
grub_err_t (*portstatus) (grub_usb_controller_t dev, unsigned int port,
unsigned int enable);
grub_usb_speed_t (*detect_dev) (grub_usb_controller_t dev, int port);
grub_usb_speed_t (*detect_dev) (grub_usb_controller_t dev, int port, int *changed);
/* The next host controller. */
struct grub_usb_controller_dev *next;
@ -125,6 +125,13 @@ struct grub_usb_interface
struct grub_usb_desc_if *descif;
struct grub_usb_desc_endp *descendp;
/* A driver is handling this interface. Do we need to support multiple drivers
for single interface?
*/
int attached;
void (*detach_hook) (struct grub_usb_device *dev, int config, int interface);
};
struct grub_usb_configuration
@ -207,4 +214,21 @@ grub_usb_get_config_interface (struct grub_usb_desc_config *config)
return interf;
}
typedef int (*grub_usb_attach_hook_class) (grub_usb_device_t usbdev,
int configno, int interfno);
struct grub_usb_attach_desc
{
struct grub_usb_attach_desc *next;
int class;
grub_usb_attach_hook_class hook;
};
void grub_usb_register_attach_hook_class (struct grub_usb_attach_desc *desc);
void grub_usb_unregister_attach_hook_class (struct grub_usb_attach_desc *desc);
void grub_usb_poll_devices (void);
void grub_usb_device_attach (grub_usb_device_t dev);
#endif /* GRUB_USB_H */

2
include/grub/usbtrans.h
View file

@ -93,10 +93,12 @@ typedef struct grub_usb_transfer *grub_usb_transfer_t;
#define GRUB_USB_HUB_FEATURE_PORT_RESET 0x04
#define GRUB_USB_HUB_FEATURE_PORT_POWER 0x08
#define GRUB_USB_HUB_FEATURE_C_CONNECTED 0x10
#define GRUB_USB_HUB_STATUS_CONNECTED (1 << 0)
#define GRUB_USB_HUB_STATUS_LOWSPEED (1 << 9)
#define GRUB_USB_HUB_STATUS_HIGHSPEED (1 << 10)
#define GRUB_USB_HUB_STATUS_C_CONNECTED (1 << 16)
#define GRUB_USB_HUB_STATUS_C_PORT_RESET (1 << 20)
struct grub_usb_packet_setup

39
include/grub/util/libnvpair.h Normal file
View file

@ -0,0 +1,39 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_LIBNVPAIR_UTIL_HEADER
#define GRUB_LIBNVPAIR_UTIL_HEADER 1
#include <config.h>
#ifdef HAVE_LIBNVPAIR_H
#include <libnvpair.h>
#else /* ! HAVE_LIBNVPAIR_H */
#include <stdio.h> /* FILE */
typedef void nvlist_t;
int nvlist_lookup_string (nvlist_t *, const char *, char **);
int nvlist_lookup_nvlist (nvlist_t *, const char *, nvlist_t **);
int nvlist_lookup_nvlist_array (nvlist_t *, const char *, nvlist_t ***, unsigned int *);
void nvlist_print (FILE *, nvlist_t *);
#endif /* ! HAVE_LIBNVPAIR_H */
#endif

45
include/grub/util/libzfs.h Normal file
View file

@ -0,0 +1,45 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_LIBZFS_UTIL_HEADER
#define GRUB_LIBZFS_UTIL_HEADER 1
#include <config.h>
#ifdef HAVE_LIBZFS_H
#include <libzfs.h>
#else /* ! HAVE_LIBZFS_H */
#include <grub/util/libnvpair.h>
typedef void libzfs_handle_t;
typedef void zpool_handle_t;
extern libzfs_handle_t *libzfs_init (void);
extern void libzfs_fini (libzfs_handle_t *);
extern zpool_handle_t *zpool_open (libzfs_handle_t *, const char *);
extern void zpool_close (zpool_handle_t *);
extern int zpool_get_physpath (zpool_handle_t *, const char *);
extern nvlist_t *zpool_get_config (zpool_handle_t *, nvlist_t **);
#endif /* ! HAVE_LIBZFS_H */
#endif

224
include/grub/vga.h
View file

@ -19,9 +19,13 @@
#ifndef GRUB_VGA_HEADER
#define GRUB_VGA_HEADER 1
#include <grub/pci.h>
enum
{
GRUB_VGA_IO_ARX = 0x3c0,
GRUB_VGA_IO_ARX_READ = 0x3c1,
GRUB_VGA_IO_MISC_WRITE = 0x3c2,
GRUB_VGA_IO_SR_INDEX = 0x3c4,
GRUB_VGA_IO_SR_DATA = 0x3c5,
GRUB_VGA_IO_PIXEL_MASK = 0x3c6,
@ -39,8 +43,15 @@ enum
enum
{
GRUB_VGA_CR_WIDTH = 0x01,
GRUB_VGA_CR_HTOTAL = 0x00,
GRUB_VGA_CR_HORIZ_END = 0x01,
GRUB_VGA_CR_HBLANK_START = 0x02,
GRUB_VGA_CR_HBLANK_END = 0x03,
GRUB_VGA_CR_HORIZ_SYNC_PULSE_START = 0x04,
GRUB_VGA_CR_HORIZ_SYNC_PULSE_END = 0x05,
GRUB_VGA_CR_VERT_TOTAL = 0x06,
GRUB_VGA_CR_OVERFLOW = 0x07,
GRUB_VGA_CR_BYTE_PANNING = 0x08,
GRUB_VGA_CR_CELL_HEIGHT = 0x09,
GRUB_VGA_CR_CURSOR_START = 0x0a,
GRUB_VGA_CR_CURSOR_END = 0x0b,
@ -48,14 +59,71 @@ enum
GRUB_VGA_CR_START_ADDR_LOW_REGISTER = 0x0d,
GRUB_VGA_CR_CURSOR_ADDR_HIGH = 0x0e,
GRUB_VGA_CR_CURSOR_ADDR_LOW = 0x0f,
GRUB_VGA_CR_VSYNC_START = 0x10,
GRUB_VGA_CR_VSYNC_END = 0x11,
GRUB_VGA_CR_HEIGHT = 0x12,
GRUB_VGA_CR_VDISPLAY_END = 0x12,
GRUB_VGA_CR_PITCH = 0x13,
GRUB_VGA_CR_UNDERLINE_LOCATION = 0x14,
GRUB_VGA_CR_VERTICAL_BLANK_START = 0x15,
GRUB_VGA_CR_VERTICAL_BLANK_END = 0x16,
GRUB_VGA_CR_MODE = 0x17,
GRUB_VGA_CR_LINE_COMPARE = 0x18,
};
enum
{
GRUB_VGA_CR_BYTE_PANNING_NORMAL = 0
};
enum
{
GRUB_VGA_CR_UNDERLINE_LOCATION_DWORD_MODE = 0x40
};
enum
{
GRUB_VGA_IO_MISC_COLOR = 0x01,
GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS = 0x02,
GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0 = 0x08,
GRUB_VGA_IO_MISC_28MHZ = 0x04,
GRUB_VGA_IO_MISC_UPPER_64K = 0x20,
GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY = 0x40,
GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY = 0x80,
};
enum
{
GRUB_VGA_ARX_MODE = 0x10,
GRUB_VGA_ARX_OVERSCAN = 0x11,
GRUB_VGA_ARX_COLOR_PLANE_ENABLE = 0x12,
GRUB_VGA_ARX_HORIZONTAL_PANNING = 0x13,
GRUB_VGA_ARX_COLOR_SELECT = 0x14
};
enum
{
GRUB_VGA_ARX_MODE_TEXT = 0x00,
GRUB_VGA_ARX_MODE_GRAPHICS = 0x01,
GRUB_VGA_ARX_MODE_ENABLE_256COLOR = 0x40
};
#define GRUB_VGA_CR_WIDTH_DIVISOR 8
#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_SHIFT 7
#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_MASK 0x02
#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_SHIFT 3
#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_MASK 0x40
#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_SHIFT 8
#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_MASK 0x01
#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_SHIFT 4
#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_MASK 0x20
#define GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT 6
#define GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK 0x04
#define GRUB_VGA_CR_OVERFLOW_VSYNC_START2_SHIFT 2
#define GRUB_VGA_CR_OVERFLOW_VSYNC_START2_MASK 0x80
#define GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT 7
#define GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK 0x02
#define GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT 3
@ -65,7 +133,9 @@ enum
#define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_MASK 0x40
#define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_SHIFT 3
#define GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_MASK 0x20
#define GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_SHIFT 4
#define GRUB_VGA_CR_CELL_HEIGHT_DOUBLE_SCAN 0x80
enum
{
GRUB_VGA_CR_CURSOR_START_DISABLE = (1 << 5)
@ -77,17 +147,26 @@ enum
{
GRUB_VGA_CR_MODE_NO_CGA = 0x01,
GRUB_VGA_CR_MODE_NO_HERCULES = 0x02,
GRUB_VGA_CR_MODE_ADDRESS_WRAP = 0x20,
GRUB_VGA_CR_MODE_BYTE_MODE = 0x40,
GRUB_VGA_CR_MODE_TIMING_ENABLE = 0x80
};
enum
{
GRUB_VGA_SR_RESET = 0,
GRUB_VGA_SR_CLOCKING_MODE = 1,
GRUB_VGA_SR_MAP_MASK_REGISTER = 2,
GRUB_VGA_SR_CHAR_MAP_SELECT = 3,
GRUB_VGA_SR_MEMORY_MODE = 4,
};
enum
{
GRUB_VGA_SR_RESET_ASYNC = 1,
GRUB_VGA_SR_RESET_SYNC = 2
};
enum
{
GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK = 1
@ -96,19 +175,33 @@ enum
enum
{
GRUB_VGA_SR_MEMORY_MODE_NORMAL = 0,
GRUB_VGA_SR_MEMORY_MODE_CHAIN4 = 8
GRUB_VGA_SR_MEMORY_MODE_EXTERNAL_VIDEO_MEMORY = 2,
GRUB_VGA_SR_MEMORY_MODE_SEQUENTIAL_ADDRESSING = 4,
GRUB_VGA_SR_MEMORY_MODE_CHAIN4 = 8,
};
enum
{
GRUB_VGA_GR_SET_RESET_PLANE = 0,
GRUB_VGA_GR_SET_RESET_PLANE_ENABLE = 1,
GRUB_VGA_GR_COLOR_COMPARE = 2,
GRUB_VGA_GR_DATA_ROTATE = 3,
GRUB_VGA_GR_READ_MAP_REGISTER = 4,
GRUB_VGA_GR_MODE = 5,
GRUB_VGA_GR_GR6 = 6,
GRUB_VGA_GR_COLOR_COMPARE_DISABLE = 7,
GRUB_VGA_GR_BITMASK = 8,
GRUB_VGA_GR_MAX
};
#define GRUB_VGA_ALL_PLANES 0xf
#define GRUB_VGA_NO_PLANES 0x0
enum
{
GRUB_VGA_GR_DATA_ROTATE_NOP = 0
};
enum
{
GRUB_VGA_TEXT_TEXT_PLANE = 0,
@ -119,6 +212,7 @@ enum
enum
{
GRUB_VGA_GR_GR6_GRAPHICS_MODE = 1,
GRUB_VGA_GR_GR6_MMAP_A0 = (1 << 2),
GRUB_VGA_GR_GR6_MMAP_CGA = (3 << 2)
};
@ -126,70 +220,152 @@ enum
{
GRUB_VGA_GR_MODE_READ_MODE1 = 0x08,
GRUB_VGA_GR_MODE_ODD_EVEN = 0x10,
GRUB_VGA_GR_MODE_ODD_EVEN_SHIFT = 0x20,
GRUB_VGA_GR_MODE_256_COLOR = 0x40
};
static inline void
grub_vga_gr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_GR_INDEX);
grub_outb (val, GRUB_VGA_IO_GR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_DATA);
}
static inline grub_uint8_t
grub_vga_gr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_GR_INDEX);
return grub_inb (GRUB_VGA_IO_GR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_DATA);
}
static inline void
grub_vga_cr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_CR_INDEX);
grub_outb (val, GRUB_VGA_IO_CR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_DATA);
}
static inline grub_uint8_t
grub_vga_cr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_CR_INDEX);
return grub_inb (GRUB_VGA_IO_CR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_DATA);
}
static inline void
grub_vga_sr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_SR_INDEX);
grub_outb (val, GRUB_VGA_IO_SR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_DATA);
}
static inline grub_uint8_t
grub_vga_sr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_VGA_IO_SR_INDEX);
return grub_inb (GRUB_VGA_IO_SR_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_DATA);
}
static inline void
grub_vga_palette_read (grub_uint8_t addr, grub_uint8_t *r, grub_uint8_t *g,
grub_uint8_t *b)
{
grub_outb (addr, GRUB_VGA_IO_PALLETTE_READ_INDEX);
*r = grub_inb (GRUB_VGA_IO_PALLETTE_DATA);
*g = grub_inb (GRUB_VGA_IO_PALLETTE_DATA);
*b = grub_inb (GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_READ_INDEX);
*r = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
*g = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
*b = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
}
static inline void
grub_vga_palette_write (grub_uint8_t addr, grub_uint8_t r, grub_uint8_t g,
grub_uint8_t b)
{
grub_outb (addr, GRUB_VGA_IO_PALLETTE_WRITE_INDEX);
grub_outb (r, GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (g, GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (b, GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_WRITE_INDEX);
grub_outb (r, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (g, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (b, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
}
static inline void
grub_vga_write_arx (grub_uint8_t val, grub_uint8_t addr)
{
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
}
struct grub_video_hw_config
{
unsigned vertical_total;
unsigned vertical_blank_start;
unsigned vertical_blank_end;
unsigned vertical_sync_start;
unsigned vertical_sync_end;
unsigned line_compare;
unsigned vdisplay_end;
unsigned pitch;
unsigned horizontal_total;
unsigned horizontal_blank_start;
unsigned horizontal_blank_end;
unsigned horizontal_sync_pulse_start;
unsigned horizontal_sync_pulse_end;
unsigned horizontal_end;
};
static inline void
grub_vga_set_geometry (struct grub_video_hw_config *config,
void (*cr_write) (grub_uint8_t val, grub_uint8_t addr))
{
unsigned vertical_total = config->vertical_total - 2;
unsigned vertical_blank_start = config->vertical_blank_start - 1;
unsigned vdisplay_end = config->vdisplay_end - 1;
grub_uint8_t overflow, cell_height_reg;
/* Disable CR0-7 write protection. */
cr_write (0, GRUB_VGA_CR_VSYNC_END);
overflow = ((vertical_total >> GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_MASK)
| ((vertical_total >> GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_MASK)
| ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START2_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VSYNC_START2_MASK)
| ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK)
| ((vdisplay_end >> GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_MASK)
| ((vdisplay_end >> GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_MASK)
| ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK)
| ((config->line_compare >> GRUB_VGA_CR_OVERFLOW_LINE_COMPARE_SHIFT)
& GRUB_VGA_CR_OVERFLOW_LINE_COMPARE_MASK);
cell_height_reg = ((vertical_blank_start
>> GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_SHIFT)
& GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_MASK)
| ((config->line_compare >> GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_SHIFT)
& GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_MASK);
cr_write (config->horizontal_total - 1, GRUB_VGA_CR_HTOTAL);
cr_write (config->horizontal_end - 1, GRUB_VGA_CR_HORIZ_END);
cr_write (config->horizontal_blank_start - 1, GRUB_VGA_CR_HBLANK_START);
cr_write (config->horizontal_blank_end, GRUB_VGA_CR_HBLANK_END);
cr_write (config->horizontal_sync_pulse_start,
GRUB_VGA_CR_HORIZ_SYNC_PULSE_START);
cr_write (config->horizontal_sync_pulse_end,
GRUB_VGA_CR_HORIZ_SYNC_PULSE_END);
cr_write (vertical_total & 0xff, GRUB_VGA_CR_VERT_TOTAL);
cr_write (overflow, GRUB_VGA_CR_OVERFLOW);
cr_write (cell_height_reg, GRUB_VGA_CR_CELL_HEIGHT);
cr_write (config->vertical_sync_start & 0xff, GRUB_VGA_CR_VSYNC_START);
cr_write (config->vertical_sync_end & 0x0f, GRUB_VGA_CR_VSYNC_END);
cr_write (vdisplay_end & 0xff, GRUB_VGA_CR_VDISPLAY_END);
cr_write (config->pitch & 0xff, GRUB_VGA_CR_PITCH);
cr_write (vertical_blank_start & 0xff, GRUB_VGA_CR_VERTICAL_BLANK_START);
cr_write (config->vertical_blank_end & 0xff, GRUB_VGA_CR_VERTICAL_BLANK_END);
cr_write (config->line_compare & 0xff, GRUB_VGA_CR_LINE_COMPARE);
}
#endif