psp_verstage.c File Reference

#include "psp_verstage.h"
#include <amdblocks/acpimmio.h>
#include <bl_uapp/bl_syscall_public.h>
#include <boot_device.h>
#include <cbfs.h>
#include <commonlib/region.h>
#include <console/console.h>
#include <fmap.h>
#include <pc80/mc146818rtc.h>
#include <soc/iomap.h>
#include <soc/psp_transfer.h>
#include <security/tpm/tspi.h>
#include <security/tpm/tss.h>
#include <security/vboot/vbnv.h>
#include <security/vboot/misc.h>
#include <security/vboot/symbols.h>
#include <security/vboot/vboot_common.h>
#include <arch/stages.h>
#include <stdarg.h>
#include <stdio.h>
#include <timestamp.h>

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Functions
void __weak	verstage_mainboard_init (void)
static void	reboot_into_recovery (struct vb2_context *ctx, uint32_t subcode)
static uint32_t	check_cmos_recovery (void)
static uint32_t	update_boot_region (struct vb2_context *ctx)
static uint32_t	save_buffers (void)
static void	psp_verstage_s0i3_resume (void)
void	Main (void)
void	stage_entry (uintptr_t stage_arg)
	generic stage entry point. More...

Variables
char	_bss_start
char	_bss_end

Function Documentation

check_cmos_recovery()

static uint32_t check_cmos_recovery ( void  )

static

Definition at line 52 of file psp_verstage.c.

References BIOS_DEBUG, cmos_read(), CMOS_RECOVERY_MAGIC_VAL, cmos_write(), POSTCODE_CMOS_RECOVERY, printk, and vbnv_cmos_failed().

Referenced by Main().

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Main()

void Main

(

void

)

Definition at line 199 of file psp_verstage.c.

References _bss_end, _bss_start, BIOS_DEBUG, BIOS_ERR, boot_device_ro(), cbfs_get_boot_device(), check_cmos_recovery(), CONFIG, console_init(), fch_io_enable_legacy_io(), memset(), NULL, platform_report_mode(), post_code, POSTCODE_CONSOLE_INIT, POSTCODE_EARLY_INIT, POSTCODE_EARLY_INIT_ERROR, POSTCODE_ENTERED_PSP_VERSTAGE, POSTCODE_LATE_INIT, POSTCODE_LEAVING_VERSTAGE, POSTCODE_SAVE_BUFFERS, POSTCODE_UNMAP_FCH_DEVICES, POSTCODE_UNMAP_SPI_ROM, POSTCODE_UPDATE_BOOT_REGION, POSTCODE_VERSTAGE_MAIN, printk, psp_verstage_s0i3_resume(), rdev_mmap_full(), reboot_into_recovery(), save_buffers(), svc_debug_print(), svc_exit(), svc_get_boot_mode(), svc_unmap_spi_rom(), svc_write_postcode(), timestamp_get, timestamp_init(), unmap_fch_devices(), update_boot_region(), vboot_developer_mode_enabled(), vboot_get_context(), vboot_reboot(), vboot_run_logic(), verstage_mainboard_early_init(), verstage_mainboard_espi_init(), verstage_mainboard_init(), verstage_mainboard_tpm_init(), verstage_soc_aoac_init(), verstage_soc_early_init(), verstage_soc_espi_init(), verstage_soc_i2c_init(), and verstage_soc_spi_init().

Referenced by stage_entry().

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psp_verstage_s0i3_resume()

static void psp_verstage_s0i3_resume ( void  )

static

Definition at line 175 of file psp_verstage.c.

References BIOS_DEBUG, BIOS_ERR, CONFIG, post_code, POSTCODE_INIT_TPM_FAILED, POSTCODE_VERSTAGE_S0I3_RESUME, printk, reboot_into_recovery(), tlcl_disable_platform_hierarchy(), tpm_setup(), TPM_SUCCESS, and vboot_get_context().

Referenced by Main().

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reboot_into_recovery()

static void reboot_into_recovery ( struct vb2_context *  ctx, uint32_t  subcode  )

static

Definition at line 30 of file psp_verstage.c.

References BIOS_ERR, printk, PSP_VBOOT_ERROR_SUBCODE, svc_debug_print(), svc_write_postcode(), vboot_reboot(), and vboot_save_data().

Referenced by Main(), and psp_verstage_s0i3_resume().

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save_buffers()

static uint32_t save_buffers ( void  )

static

Definition at line 136 of file psp_verstage.c.

References BIOS_ERR, transfer_info_struct::buffer_size, transfer_info_struct::console_offset, transfer_info_struct::fmap_offset, transfer_info_struct::magic_val, memcpy(), POSTCODE_WORKBUF_SAVE_ERROR, printk, save_uapp_data(), transfer_info_struct::struct_bytes, transfer_info_struct::timestamp_offset, TRANSFER_MAGIC_VAL, and transfer_info_struct::workbuf_offset.

Referenced by Main().

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stage_entry()

void stage_entry

(

uintptr_t

stage_arg

)

generic stage entry point.

override this if board specific code is needed.

Definition at line 336 of file psp_verstage.c.

References Main().

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update_boot_region()

static uint32_t update_boot_region ( struct vb2_context *  ctx )

static

Definition at line 71 of file psp_verstage.c.

References BHD_COOKIE, BIOS_ERR, boot_device_ro(), cbfs_map(), embedded_firmware::combo_psp_directory, embedded_firmware::efs_gen, EFS_SECOND_GEN, EMBEDDED_FW_SIGNATURE, FLASH_BASE_ADDR, second_gen_efs::gen, get_bios_dir_addr(), NULL, POSTCODE_AMD_FW_MISSING, POSTCODE_BHD_COOKIE_MISMATCH_ERROR, POSTCODE_PSP_COOKIE_MISMATCH_ERROR, POSTCODE_ROMSIG_MISMATCH_ERROR, POSTCODE_UPDATE_PSP_BIOS_DIR_ERROR, printk, PSP_COOKIE, rdev_mmap_full(), embedded_firmware::signature, SPI_ADDR_MASK, update_psp_bios_dir(), and vboot_is_firmware_slot_a().

Referenced by Main().

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verstage_mainboard_init()

void __weak verstage_mainboard_init

(

void

)

Definition at line 28 of file psp_verstage.c.

Referenced by Main().

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Variable Documentation

_bss_end

char _bss_end

Definition at line 26 of file psp_verstage.c.

Referenced by Main().

_bss_start

char _bss_start

extern

Referenced by Main().