pebble/tools/qemu_spi_cooker/src/qemu_spi_cooker.c
2025-01-27 11:38:16 -08:00

81 lines
2.1 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <sys/mman.h>
#include <fcntl.h>
#include "clar_asserts.h"
#include "drivers/flash.h"
#include "flash_region/flash_region.h"
#include "services/normal/filesystem/pfs.h"
#include "util/math.h"
#include "stubs_analytics.h"
#include "stubs_hexdump.h"
#include "stubs_logging.h"
#include "stubs_mutex.h"
#include "stubs_passert.h"
#include "stubs_pbl_malloc.h"
#include "stubs_pebble_tasks.h"
#include "stubs_print.h"
#include "stubs_prompt.h"
#include "stubs_serial.h"
#include "stubs_sleep.h"
#include "stubs_task_watchdog.h"
#include "fake_spi_flash.h"
void flash_region_erase_optimal_range_no_watchdog(
uint32_t min_start, uint32_t max_start,
uint32_t min_end, uint32_t max_end) {
}
static int prv_prebake_pfs(const char *filename) {
struct stat st;
if (stat(filename, &st) != 0) {
return 1;
}
fake_spi_flash_init(0, st.st_size);
fake_spi_flash_populate_from_file((char*)filename, 0);
pfs_init(true);
int fd = open(filename, O_RDWR);
uint8_t *spi_image_file = mmap(NULL, st.st_size, PROT_WRITE, MAP_SHARED, fd, 0);
flash_read_bytes(spi_image_file, 0, st.st_size);
munmap(spi_image_file, st.st_size);
close(fd);
fake_spi_flash_cleanup();
return 0;
}
int main(int argc, const char* argv[]) {
// SPI image file path always passed in as first argument
if (argc == 1) {
printf("No file specified. Pass a path to a QEMU SPI image. "
"(e.g. qemu_spi_cooker <spi_flash_img>)\n");
return 1;
}
return prv_prebake_pfs(argv[1]);
}