mmap_boot.c File Reference

#include <boot_device.h>
#include <commonlib/region.h>
#include <console/console.h>
#include <fmap.h>
#include <intelblocks/fast_spi.h>
#include <spi_flash.h>

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Enumerations
enum	window_type { FIXED_DECODE_WINDOW , EXT_BIOS_DECODE_WINDOW , TOTAL_DECODE_WINDOWS }

Functions
static void	initialize_window (enum window_type type, uintptr_t host_base, uintptr_t flash_base, size_t size)
static void	bios_mmap_init (void)
const struct region_device *	boot_device_ro (void)
void	fast_spi_get_ext_bios_window (uintptr_t *base, size_t *size)
uint32_t	spi_flash_get_mmap_windows (struct flash_mmap_window *table)

Variables
static struct xlate_region_device	real_dev
static struct mem_region_device	shadow_devs [TOTAL_DECODE_WINDOWS]
static struct xlate_window	real_dev_windows [TOTAL_DECODE_WINDOWS]

Enumeration Type Documentation

window_type

enum window_type

Enumerator
FIXED_DECODE_WINDOW
EXT_BIOS_DECODE_WINDOW
TOTAL_DECODE_WINDOWS

Definition at line 16 of file mmap_boot.c.

Function Documentation

bios_mmap_init()

static void bios_mmap_init ( void  )

static

Definition at line 82 of file mmap_boot.c.

References _Static_assert(), bios_size, EXT_BIOS_DECODE_WINDOW, fast_spi_get_bios_region(), FIXED_DECODE_WINDOW, GiB, init_done, initialize_window(), MiB, MIN, real_dev, real_dev_windows, and xlate_region_device_ro_init().

Referenced by boot_device_ro(), fast_spi_get_ext_bios_window(), and spi_flash_get_mmap_windows().

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boot_device_ro()

const struct region_device* boot_device_ro

(

void

)

Definition at line 139 of file mmap_boot.c.

References bios_mmap_init(), xlate_region_device::rdev, and real_dev.

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fast_spi_get_ext_bios_window()

void fast_spi_get_ext_bios_window	(	uintptr_t *	base,
		size_t *	size
	)

Definition at line 146 of file mmap_boot.c.

References base, bios_mmap_init(), EXT_BIOS_DECODE_WINDOW, mem_region_device::rdev, rdev_mmap_full(), region_device_sz(), and shadow_devs.

Referenced by fast_spi_ext_bios_cache_range().

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initialize_window()

static void initialize_window ( enum window_type  type, uintptr_t  host_base, uintptr_t  flash_base, size_t  size  )

static

Definition at line 28 of file mmap_boot.c.

References BIOS_INFO, mem_region_device_ro_init(), printk, rdev, real_dev_windows, shadow_devs, type, and xlate_window_init().

Referenced by bios_mmap_init().

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spi_flash_get_mmap_windows()

uint32_t spi_flash_get_mmap_windows

(

struct flash_mmap_window *

table

)

Definition at line 165 of file mmap_boot.c.

References bios_mmap_init(), count, flash_mmap_window::flash_base, flash_mmap_window::host_base, rdev, rdev_mmap_full(), real_dev_windows, region_offset(), region_sz(), shadow_devs, flash_mmap_window::size, and TOTAL_DECODE_WINDOWS.

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Variable Documentation

real_dev

struct xlate_region_device real_dev

static

Definition at line 1 of file mmap_boot.c.

Referenced by bios_mmap_init(), and boot_device_ro().

real_dev_windows

struct xlate_window real_dev_windows[TOTAL_DECODE_WINDOWS]

static

Definition at line 1 of file mmap_boot.c.

Referenced by bios_mmap_init(), initialize_window(), and spi_flash_get_mmap_windows().

shadow_devs

struct mem_region_device shadow_devs[TOTAL_DECODE_WINDOWS]

static

Definition at line 1 of file mmap_boot.c.

Referenced by fast_spi_get_ext_bios_window(), initialize_window(), and spi_flash_get_mmap_windows().