wolfBoot/include/hal.h

137 lines
3.7 KiB
C

/* hal.h
*
* The HAL API definitions.
*
* Copyright (C) 2021 wolfSSL Inc.
*
* This file is part of wolfBoot.
*
* wolfBoot 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.
*
* wolfBoot 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef H_HAL_
#define H_HAL_
#ifdef __cplusplus
extern "C" {
#endif
#include "target.h"
/* Architecture specific calls */
#ifdef MMU
extern void do_boot(const uint32_t *app_offset, const uint32_t* dts_offset);
#else
extern void do_boot(const uint32_t *app_offset);
#endif
extern void arch_reboot(void);
/* Simulator-only calls */
#ifdef PLATFORM_sim
void hal_set_internal_flash_file(const char* file);
void hal_set_external_flash_file(const char* file);
void hal_deinit();
#endif
#if !defined(ARCH_64BIT) && \
(defined(ARCH_x86_64) || defined(ARCH_AARCH64) || defined(ARCH_SIM))
#define ARCH_64BIT
#endif
void hal_init(void);
#ifdef ARCH_64BIT
typedef uintptr_t haladdr_t; /* 64-bit platforms */
int hal_flash_write(uintptr_t address, const uint8_t *data, int len);
int hal_flash_erase(uintptr_t address, int len);
#else
typedef uint32_t haladdr_t; /* original 32-bit */
int hal_flash_write(uint32_t address, const uint8_t *data, int len);
int hal_flash_erase(uint32_t address, int len);
#endif
void hal_flash_unlock(void);
void hal_flash_lock(void);
void hal_prepare_boot(void);
#ifdef DUALBANK_SWAP
void hal_flash_dualbank_swap(void);
#endif
#ifdef WOLFBOOT_DUALBOOT
void* hal_get_primary_address(void);
void* hal_get_update_address(void);
#endif
#ifdef MMU
void *hal_get_dts_address(void);
void *hal_get_dts_update_address(void);
#endif
#if !defined(SPI_FLASH) && !defined(QSPI_FLASH) && !defined(OCTOSPI_FLASH)
/* user supplied external flash interfaces */
int ext_flash_write(uintptr_t address, const uint8_t *data, int len);
int ext_flash_read(uintptr_t address, uint8_t *data, int len);
int ext_flash_erase(uintptr_t address, int len);
void ext_flash_lock(void);
void ext_flash_unlock(void);
#else
#include "spi_flash.h"
#define ext_flash_lock() do{}while(0)
#define ext_flash_unlock() do{}while(0)
#define ext_flash_read spi_flash_read
#define ext_flash_write spi_flash_write
static inline int ext_flash_erase(uintptr_t address, int len)
{
int ret = 0;
uint32_t end = address + len - 1;
uint32_t p;
for (p = address; p <= end; p += SPI_FLASH_SECTOR_SIZE) {
ret = spi_flash_sector_erase(p);
if (ret != 0) {
break;
}
}
return ret;
}
#endif /* !SPI_FLASH */
#ifdef TZEN
/* TrustZone hal API */
void hal_tz_claim_nonsecure_area(uint32_t address, int len);
void hal_tz_release_nonsecure_area(void);
void hal_tz_sau_init(void);
void hal_gtzc_init(void);
/* Needed by TZ to claim/release nonsecure flash areas */
void hal_flash_wait_complete(uint8_t bank);
void hal_flash_clear_errors(uint8_t bank);
#endif
#ifdef WOLFCRYPT_SECURE_MODE
void hal_trng_init(void);
void hal_trng_fini(void);
int hal_trng_get_entropy(unsigned char *out, unsigned len);
#endif
#ifdef __cplusplus
}
#endif
#endif /* H_HAL_FLASH_ */