* All rights reserved.
*
* Copyright (c) 2009-2014, The Linux Foundation. All rights reserved.
+ * Portions Copyright 2014 Broadcom Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
+ * NOTE:
+ * Although it is very similar, this license text is not identical
+ * to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
*/
-#include <app.h>
-#include <debug.h>
-#include <arch/arm.h>
-#include <string.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <kernel/thread.h>
-#include <arch/ops.h>
-
-#include <dev/flash.h>
-#include <lib/ptable.h>
-#include <dev/keys.h>
-#include <dev/fbcon.h>
-#include <baseband.h>
-#include <target.h>
-#include <mmc.h>
-#include <partition_parser.h>
-#include <platform.h>
-#include <crypto_hash.h>
-#include <malloc.h>
-#include <boot_stats.h>
-#include <sha.h>
-#include <platform/iomap.h>
-#include <boot_device.h>
-
-#if DEVICE_TREE
-#include <libfdt.h>
-#include <dev_tree.h>
-#endif
-
-#include "image_verify.h"
-#include "recovery.h"
-#include "bootimg.h"
-#include "fastboot.h"
-#include "sparse_format.h"
-#include "mmc.h"
-#include "devinfo.h"
-#include "board.h"
-#include "scm.h"
-
-extern bool target_use_signed_kernel(void);
-extern void platform_uninit(void);
-extern void target_uninit(void);
-extern int get_target_boot_params(const char *cmdline, const char *part,
- char *buf, int buflen);
-
-void write_device_info_mmc(device_info *dev);
-void write_device_info_flash(device_info *dev);
-
-#define EXPAND(NAME) #NAME
-#define TARGET(NAME) EXPAND(NAME)
-
-#ifdef MEMBASE
-#define EMMC_BOOT_IMG_HEADER_ADDR (0xFF000+(MEMBASE))
-#else
-#define EMMC_BOOT_IMG_HEADER_ADDR 0xFF000
-#endif
-
-#ifndef MEMSIZE
-#define MEMSIZE 1024*1024
-#endif
-
-#define MAX_TAGS_SIZE 1024
-
-#define RECOVERY_MODE 0x77665502
-#define FASTBOOT_MODE 0x77665500
-
-/* make 4096 as default size to ensure EFS,EXT4's erasing */
-#define DEFAULT_ERASE_SIZE 4096
-#define MAX_PANEL_BUF_SIZE 128
-
-#define UBI_MAGIC "UBI#"
-#define DISPLAY_DEFAULT_PREFIX "mdss_mdp"
-#define UBI_MAGIC_SIZE 0x04
-#define BOOT_DEV_MAX_LEN 64
-
-#define IS_ARM64(ptr) (ptr->magic_64 == KERNEL64_HDR_MAGIC) ? true : false
-
-#define ADD_OF(a, b) (UINT_MAX - b > a) ? (a + b) : UINT_MAX
-
-#if UFS_SUPPORT
-static const char *emmc_cmdline = " androidboot.bootdevice=";
-#else
-static const char *emmc_cmdline = " androidboot.emmc=true";
-#endif
-static const char *usb_sn_cmdline = " androidboot.serialno=";
-static const char *androidboot_mode = " androidboot.mode=";
-static const char *loglevel = " quiet";
-static const char *battchg_pause = " androidboot.mode=charger";
-static const char *auth_kernel = " androidboot.authorized_kernel=true";
-static const char *secondary_gpt_enable = " gpt";
-
-static const char *baseband_apq = " androidboot.baseband=apq";
-static const char *baseband_msm = " androidboot.baseband=msm";
-static const char *baseband_csfb = " androidboot.baseband=csfb";
-static const char *baseband_svlte2a = " androidboot.baseband=svlte2a";
-static const char *baseband_mdm = " androidboot.baseband=mdm";
-static const char *baseband_mdm2 = " androidboot.baseband=mdm2";
-static const char *baseband_sglte = " androidboot.baseband=sglte";
-static const char *baseband_dsda = " androidboot.baseband=dsda";
-static const char *baseband_dsda2 = " androidboot.baseband=dsda2";
-static const char *baseband_sglte2 = " androidboot.baseband=sglte2";
-static const char *warmboot_cmdline = " qpnp-power-on.warm_boot=1";
-
-static unsigned page_size = 0;
-static unsigned page_mask = 0;
-static char ffbm_mode_string[FFBM_MODE_BUF_SIZE];
-static bool boot_into_ffbm;
-static char target_boot_params[64];
-
-/* Assuming unauthorized kernel image by default */
-static int auth_kernel_img = 0;
-
-static device_info device = {DEVICE_MAGIC, 0, 0, 0, 0};
-
-struct atag_ptbl_entry
-{
- char name[16];
- unsigned offset;
- unsigned size;
- unsigned flags;
-};
-
-/*
- * Partition info, required to be published
- * for fastboot
- */
-struct getvar_partition_info {
- const char part_name[MAX_GPT_NAME_SIZE]; /* Partition name */
- char getvar_size[MAX_GET_VAR_NAME_SIZE]; /* fastboot get var name for size */
- char getvar_type[MAX_GET_VAR_NAME_SIZE]; /* fastboot get var name for type */
- char size_response[MAX_RSP_SIZE]; /* fastboot response for size */
- char type_response[MAX_RSP_SIZE]; /* fastboot response for type */
-};
-
-/*
- * Right now, we are publishing the info for only
- * three partitions
- */
-struct getvar_partition_info part_info[] =
-{
- { "system" , "partition-size:", "partition-type:", "", "ext4" },
- { "userdata", "partition-size:", "partition-type:", "", "ext4" },
- { "cache" , "partition-size:", "partition-type:", "", "ext4" },
-};
-
-char max_download_size[MAX_RSP_SIZE];
-char charger_screen_enabled[MAX_RSP_SIZE];
-char sn_buf[13];
-char display_panel_buf[MAX_PANEL_BUF_SIZE];
-char panel_display_mode[MAX_RSP_SIZE];
-
-extern int emmc_recovery_init(void);
-
-#if NO_KEYPAD_DRIVER
-extern int fastboot_trigger(void);
-#endif
-
-static void update_ker_tags_rdisk_addr(struct boot_img_hdr *hdr, bool is_arm64)
-{
- /* overwrite the destination of specified for the project */
-#ifdef ABOOT_IGNORE_BOOT_HEADER_ADDRS
- if (is_arm64)
- hdr->kernel_addr = ABOOT_FORCE_KERNEL64_ADDR;
- else
- hdr->kernel_addr = ABOOT_FORCE_KERNEL_ADDR;
- hdr->ramdisk_addr = ABOOT_FORCE_RAMDISK_ADDR;
- hdr->tags_addr = ABOOT_FORCE_TAGS_ADDR;
-#endif
-}
-
-static void ptentry_to_tag(unsigned **ptr, struct ptentry *ptn)
-{
- struct atag_ptbl_entry atag_ptn;
-
- memcpy(atag_ptn.name, ptn->name, 16);
- atag_ptn.name[15] = '\0';
- atag_ptn.offset = ptn->start;
- atag_ptn.size = ptn->length;
- atag_ptn.flags = ptn->flags;
- memcpy(*ptr, &atag_ptn, sizeof(struct atag_ptbl_entry));
- *ptr += sizeof(struct atag_ptbl_entry) / sizeof(unsigned);
-}
-
-unsigned char *update_cmdline(const char * cmdline)
-{
- int cmdline_len = 0;
- int have_cmdline = 0;
- unsigned char *cmdline_final = NULL;
- int pause_at_bootup = 0;
- bool warm_boot = false;
- bool gpt_exists = partition_gpt_exists();
- int have_target_boot_params = 0;
- char *boot_dev_buf = NULL;
-
- if (cmdline && cmdline[0]) {
- cmdline_len = strlen(cmdline);
- have_cmdline = 1;
- }
- if (target_is_emmc_boot()) {
- cmdline_len += strlen(emmc_cmdline);
-#if UFS_SUPPORT
- boot_dev_buf = (char *) malloc(sizeof(char) * BOOT_DEV_MAX_LEN);
- ASSERT(boot_dev_buf);
- platform_boot_dev_cmdline(boot_dev_buf);
- cmdline_len += strlen(boot_dev_buf);
-#endif
- }
-
- cmdline_len += strlen(usb_sn_cmdline);
- cmdline_len += strlen(sn_buf);
-
- if (boot_into_recovery && gpt_exists)
- cmdline_len += strlen(secondary_gpt_enable);
-
- if (boot_into_ffbm) {
- cmdline_len += strlen(androidboot_mode);
- cmdline_len += strlen(ffbm_mode_string);
- /* reduce kernel console messages to speed-up boot */
- cmdline_len += strlen(loglevel);
- } else if (device.charger_screen_enabled &&
- target_pause_for_battery_charge()) {
- pause_at_bootup = 1;
- cmdline_len += strlen(battchg_pause);
- }
-
- if(target_use_signed_kernel() && auth_kernel_img) {
- cmdline_len += strlen(auth_kernel);
- }
-
- if (get_target_boot_params(cmdline, boot_into_recovery ? "recoveryfs" :
- "system",
- target_boot_params,
- sizeof(target_boot_params)) == 0) {
- have_target_boot_params = 1;
- cmdline_len += strlen(target_boot_params);
- }
-
- /* Determine correct androidboot.baseband to use */
- switch(target_baseband())
- {
- case BASEBAND_APQ:
- cmdline_len += strlen(baseband_apq);
- break;
-
- case BASEBAND_MSM:
- cmdline_len += strlen(baseband_msm);
- break;
-
- case BASEBAND_CSFB:
- cmdline_len += strlen(baseband_csfb);
- break;
-
- case BASEBAND_SVLTE2A:
- cmdline_len += strlen(baseband_svlte2a);
- break;
-
- case BASEBAND_MDM:
- cmdline_len += strlen(baseband_mdm);
- break;
-
- case BASEBAND_MDM2:
- cmdline_len += strlen(baseband_mdm2);
- break;
-
- case BASEBAND_SGLTE:
- cmdline_len += strlen(baseband_sglte);
- break;
-
- case BASEBAND_SGLTE2:
- cmdline_len += strlen(baseband_sglte2);
- break;
-
- case BASEBAND_DSDA:
- cmdline_len += strlen(baseband_dsda);
- break;
-
- case BASEBAND_DSDA2:
- cmdline_len += strlen(baseband_dsda2);
- break;
- }
-
- if (cmdline) {
- if ((strstr(cmdline, DISPLAY_DEFAULT_PREFIX) == NULL) &&
- target_display_panel_node(device.display_panel,
- display_panel_buf, MAX_PANEL_BUF_SIZE) &&
- strlen(display_panel_buf)) {
- cmdline_len += strlen(display_panel_buf);
- }
- }
-
- if (target_warm_boot()) {
- warm_boot = true;
- cmdline_len += strlen(warmboot_cmdline);
- }
-
- if (cmdline_len > 0) {
- const char *src;
- unsigned char *dst = (unsigned char*) malloc((cmdline_len + 4) & (~3));
- ASSERT(dst != NULL);
-
- /* Save start ptr for debug print */
- cmdline_final = dst;
- if (have_cmdline) {
- src = cmdline;
- while ((*dst++ = *src++));
- }
- if (target_is_emmc_boot()) {
- src = emmc_cmdline;
- if (have_cmdline) --dst;
- have_cmdline = 1;
- while ((*dst++ = *src++));
-#if UFS_SUPPORT
- src = boot_dev_buf;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
-#endif
- }
-
- src = usb_sn_cmdline;
- if (have_cmdline) --dst;
- have_cmdline = 1;
- while ((*dst++ = *src++));
- src = sn_buf;
- if (have_cmdline) --dst;
- have_cmdline = 1;
- while ((*dst++ = *src++));
- if (warm_boot) {
- if (have_cmdline) --dst;
- src = warmboot_cmdline;
- while ((*dst++ = *src++));
- }
-
- if (boot_into_recovery && gpt_exists) {
- src = secondary_gpt_enable;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- }
-
- if (boot_into_ffbm) {
- src = androidboot_mode;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- src = ffbm_mode_string;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- src = loglevel;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- } else if (pause_at_bootup) {
- src = battchg_pause;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- }
-
- if(target_use_signed_kernel() && auth_kernel_img) {
- src = auth_kernel;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- }
-
- switch(target_baseband())
- {
- case BASEBAND_APQ:
- src = baseband_apq;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_MSM:
- src = baseband_msm;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_CSFB:
- src = baseband_csfb;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_SVLTE2A:
- src = baseband_svlte2a;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_MDM:
- src = baseband_mdm;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_MDM2:
- src = baseband_mdm2;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_SGLTE:
- src = baseband_sglte;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_SGLTE2:
- src = baseband_sglte2;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_DSDA:
- src = baseband_dsda;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
-
- case BASEBAND_DSDA2:
- src = baseband_dsda2;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- break;
- }
-
- if (strlen(display_panel_buf)) {
- src = display_panel_buf;
- if (have_cmdline) --dst;
- while ((*dst++ = *src++));
- }
-
- if (have_target_boot_params) {
- if (have_cmdline) --dst;
- src = target_boot_params;
- while ((*dst++ = *src++));
- }
- }
-
-
- if (boot_dev_buf)
- free(boot_dev_buf);
-
- dprintf(INFO, "cmdline: %s\n", cmdline_final);
- return cmdline_final;
-}
-
-unsigned *atag_core(unsigned *ptr)
-{
- /* CORE */
- *ptr++ = 2;
- *ptr++ = 0x54410001;
-
- return ptr;
-
-}
-
-unsigned *atag_ramdisk(unsigned *ptr, void *ramdisk,
- unsigned ramdisk_size)
-{
- if (ramdisk_size) {
- *ptr++ = 4;
- *ptr++ = 0x54420005;
- *ptr++ = (unsigned)ramdisk;
- *ptr++ = ramdisk_size;
- }
-
- return ptr;
-}
-
-unsigned *atag_ptable(unsigned **ptr_addr)
-{
- int i;
- struct ptable *ptable;
-
- if ((ptable = flash_get_ptable()) && (ptable->count != 0)) {
- *(*ptr_addr)++ = 2 + (ptable->count * (sizeof(struct atag_ptbl_entry) /
- sizeof(unsigned)));
- *(*ptr_addr)++ = 0x4d534d70;
- for (i = 0; i < ptable->count; ++i)
- ptentry_to_tag(ptr_addr, ptable_get(ptable, i));
- }
-
- return (*ptr_addr);
-}
-
-unsigned *atag_cmdline(unsigned *ptr, const char *cmdline)
-{
- int cmdline_length = 0;
- int n;
- char *dest;
-
- cmdline_length = strlen((const char*)cmdline);
- n = (cmdline_length + 4) & (~3);
-
- *ptr++ = (n / 4) + 2;
- *ptr++ = 0x54410009;
- dest = (char *) ptr;
- while ((*dest++ = *cmdline++));
- ptr += (n / 4);
-
- return ptr;
-}
-
-unsigned *atag_end(unsigned *ptr)
-{
- /* END */
- *ptr++ = 0;
- *ptr++ = 0;
-
- return ptr;
-}
-
-void generate_atags(unsigned *ptr, const char *cmdline,
- void *ramdisk, unsigned ramdisk_size)
-{
-
- ptr = atag_core(ptr);
- ptr = atag_ramdisk(ptr, ramdisk, ramdisk_size);
- ptr = target_atag_mem(ptr);
-
- /* Skip NAND partition ATAGS for eMMC boot */
- if (!target_is_emmc_boot()){
- ptr = atag_ptable(&ptr);
- }
-
- ptr = atag_cmdline(ptr, cmdline);
- ptr = atag_end(ptr);
-}
-
-typedef void entry_func_ptr(unsigned, unsigned, unsigned*);
-void boot_linux(void *kernel, unsigned *tags,
- const char *cmdline, unsigned machtype,
- void *ramdisk, unsigned ramdisk_size)
-{
- unsigned char *final_cmdline;
-#if DEVICE_TREE
- int ret = 0;
-#endif
-
- void (*entry)(unsigned, unsigned, unsigned*) = (entry_func_ptr*)(PA((addr_t)kernel));
- uint32_t tags_phys = PA((addr_t)tags);
- struct kernel64_hdr *kptr = (struct kernel64_hdr*)kernel;
-
- ramdisk = PA(ramdisk);
-
- final_cmdline = update_cmdline((const char*)cmdline);
-
-#if DEVICE_TREE
- dprintf(INFO, "Updating device tree: start\n");
-
- /* Update the Device Tree */
- ret = update_device_tree((void *)tags, final_cmdline, ramdisk, ramdisk_size);
- if(ret)
- {
- dprintf(CRITICAL, "ERROR: Updating Device Tree Failed \n");
- ASSERT(0);
- }
- dprintf(INFO, "Updating device tree: done\n");
-#else
- /* Generating the Atags */
- generate_atags(tags, final_cmdline, ramdisk, ramdisk_size);
-#endif
-
- /* Perform target specific cleanup */
- target_uninit();
-
- /* Turn off splash screen if enabled */
-#if DISPLAY_SPLASH_SCREEN
- target_display_shutdown();
-#endif
-
-
- dprintf(INFO, "booting linux @ %p, ramdisk @ %p (%d), tags/device tree @ %p\n",
- entry, ramdisk, ramdisk_size, tags_phys);
-
- enter_critical_section();
-
- /* do any platform specific cleanup before kernel entry */
- platform_uninit();
-
- arch_disable_cache(UCACHE);
-
-#if ARM_WITH_MMU
- arch_disable_mmu();
-#endif
- bs_set_timestamp(BS_KERNEL_ENTRY);
-
- if (IS_ARM64(kptr))
- /* Jump to a 64bit kernel */
- scm_elexec_call((paddr_t)kernel, tags_phys);
- else
- /* Jump to a 32bit kernel */
- entry(0, machtype, (unsigned*)tags_phys);
-}
-
-/* Function to check if the memory address range falls within the aboot
- * boundaries.
- * start: Start of the memory region
- * size: Size of the memory region
- */
-int check_aboot_addr_range_overlap(uint32_t start, uint32_t size)
-{
- /* Check for boundary conditions. */
- if ((UINT_MAX - start) < size)
- return -1;
-
- /* Check for memory overlap. */
- if ((start < MEMBASE) && ((start + size) <= MEMBASE))
- return 0;
- else if (start >= (MEMBASE + MEMSIZE))
- return 0;
- else
- return -1;
-}
-
-#define ROUND_TO_PAGE(x,y) (((x) + (y)) & (~(y)))
-
-BUF_DMA_ALIGN(buf, BOOT_IMG_MAX_PAGE_SIZE); //Equal to max-supported pagesize
-#if DEVICE_TREE
-BUF_DMA_ALIGN(dt_buf, BOOT_IMG_MAX_PAGE_SIZE);
-#endif
-
-static void verify_signed_bootimg(uint32_t bootimg_addr, uint32_t bootimg_size)
-{
- int ret;
-#if IMAGE_VERIF_ALGO_SHA1
- uint32_t auth_algo = CRYPTO_AUTH_ALG_SHA1;
-#else
- uint32_t auth_algo = CRYPTO_AUTH_ALG_SHA256;
-#endif
-
- /* Assume device is rooted at this time. */
- device.is_tampered = 1;
-
- dprintf(INFO, "Authenticating boot image (%d): start\n", bootimg_size);
-
- ret = image_verify((unsigned char *)bootimg_addr,
- (unsigned char *)(bootimg_addr + bootimg_size),
- bootimg_size,
- auth_algo);
-
- dprintf(INFO, "Authenticating boot image: done return value = %d\n", ret);
-
- if (ret)
- {
- /* Authorized kernel */
- device.is_tampered = 0;
- auth_kernel_img = 1;
- }
-
-#if USE_PCOM_SECBOOT
- set_tamper_flag(device.is_tampered);
-#endif
-
- if(device.is_tampered)
- {
- write_device_info_mmc(&device);
- #ifdef TZ_TAMPER_FUSE
- set_tamper_fuse_cmd();
- #endif
- #ifdef ASSERT_ON_TAMPER
- dprintf(CRITICAL, "Device is tampered. Asserting..\n");
- ASSERT(0);
- #endif
- }
-}
-
-static bool check_format_bit()
-{
- bool ret = false;
- int index;
- uint64_t offset;
- struct boot_selection_info *in = NULL;
- char *buf = NULL;
-
- index = partition_get_index("bootselect");
- if (index == INVALID_PTN)
- {
- dprintf(INFO, "Unable to locate /bootselect partition\n");
- return ret;
- }
- offset = partition_get_offset(index);
- if(!offset)
- {
- dprintf(INFO, "partition /bootselect doesn't exist\n");
- return ret;
- }
- buf = (char *) memalign(CACHE_LINE, ROUNDUP(page_size, CACHE_LINE));
- ASSERT(buf);
- if (mmc_read(offset, (unsigned int *)buf, page_size))
- {
- dprintf(INFO, "mmc read failure /bootselect %d\n", page_size);
- free(buf);
- return ret;
- }
- in = (struct boot_selection_info *) buf;
- if ((in->signature == BOOTSELECT_SIGNATURE) &&
- (in->version == BOOTSELECT_VERSION)) {
- if ((in->state_info & BOOTSELECT_FORMAT) &&
- !(in->state_info & BOOTSELECT_FACTORY))
- ret = true;
- } else {
- dprintf(CRITICAL, "Signature: 0x%08x or version: 0x%08x mismatched of /bootselect\n",
- in->signature, in->version);
- ASSERT(0);
- }
- free(buf);
- return ret;
-}
-
-int boot_linux_from_mmc(void)
-{
- struct boot_img_hdr *hdr = (void*) buf;
- struct boot_img_hdr *uhdr;
- unsigned offset = 0;
- int rcode;
- unsigned long long ptn = 0;
- int index = INVALID_PTN;
-
- unsigned char *image_addr = 0;
- unsigned kernel_actual;
- unsigned ramdisk_actual;
- unsigned imagesize_actual;
- unsigned second_actual = 0;
-
-#if DEVICE_TREE
- struct dt_table *table;
- struct dt_entry dt_entry;
- unsigned dt_table_offset;
- uint32_t dt_actual;
- uint32_t dt_hdr_size;
-#endif
- BUF_DMA_ALIGN(kbuf, BOOT_IMG_MAX_PAGE_SIZE);
- struct kernel64_hdr *kptr = (void*) kbuf;
-
- if (check_format_bit())
- boot_into_recovery = 1;
-
- if (!boot_into_recovery) {
- memset(ffbm_mode_string, '\0', sizeof(ffbm_mode_string));
- rcode = get_ffbm(ffbm_mode_string, sizeof(ffbm_mode_string));
- if (rcode <= 0) {
- boot_into_ffbm = false;
- if (rcode < 0)
- dprintf(CRITICAL,"failed to get ffbm cookie");
- } else
- boot_into_ffbm = true;
- } else
- boot_into_ffbm = false;
- uhdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR;
- if (!memcmp(uhdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- dprintf(INFO, "Unified boot method!\n");
- hdr = uhdr;
- goto unified_boot;
- }
- if (!boot_into_recovery) {
- index = partition_get_index("boot");
- ptn = partition_get_offset(index);
- if(ptn == 0) {
- dprintf(CRITICAL, "ERROR: No boot partition found\n");
- return -1;
- }
- }
- else {
- index = partition_get_index("recovery");
- ptn = partition_get_offset(index);
- if(ptn == 0) {
- dprintf(CRITICAL, "ERROR: No recovery partition found\n");
- return -1;
- }
- }
-
- if (mmc_read(ptn + offset, (unsigned int *) buf, page_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
- return -1;
- }
-
- if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
- return -1;
- }
-
- if (hdr->page_size && (hdr->page_size != page_size)) {
-
- if (hdr->page_size > BOOT_IMG_MAX_PAGE_SIZE) {
- dprintf(CRITICAL, "ERROR: Invalid page size\n");
- return -1;
- }
- page_size = hdr->page_size;
- page_mask = page_size - 1;
- }
-
- /* Read the next page to get kernel Image header
- * which lives in the second page for arm64 targets.
- */
-
- if (mmc_read(ptn + page_size, (unsigned int *) kbuf, page_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
- return -1;
- }
-
- /*
- * Update the kernel/ramdisk/tags address if the boot image header
- * has default values, these default values come from mkbootimg when
- * the boot image is flashed using fastboot flash:raw
- */
- update_ker_tags_rdisk_addr(hdr, IS_ARM64(kptr));
-
- /* Get virtual addresses since the hdr saves physical addresses. */
- hdr->kernel_addr = VA((addr_t)(hdr->kernel_addr));
- hdr->ramdisk_addr = VA((addr_t)(hdr->ramdisk_addr));
- hdr->tags_addr = VA((addr_t)(hdr->tags_addr));
-
- kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
- ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-
- /* Check if the addresses in the header are valid. */
- if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
- check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
- {
- dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
- return -1;
- }
-
-#ifndef DEVICE_TREE
- if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
- {
- dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
- return -1;
- }
-#endif
-
- /* Authenticate Kernel */
- dprintf(INFO, "use_signed_kernel=%d, is_unlocked=%d, is_tampered=%d.\n",
- (int) target_use_signed_kernel(),
- device.is_unlocked,
- device.is_tampered);
-
- if(target_use_signed_kernel() && (!device.is_unlocked))
- {
- offset = 0;
-
- image_addr = (unsigned char *)target_get_scratch_address();
-
-#if DEVICE_TREE
- dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
- imagesize_actual = (page_size + kernel_actual + ramdisk_actual + dt_actual);
-
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_actual))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-#else
- imagesize_actual = (page_size + kernel_actual + ramdisk_actual);
-
-#endif
-
- dprintf(INFO, "Loading boot image (%d): start\n", imagesize_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_START);
-
- if (check_aboot_addr_range_overlap(image_addr, imagesize_actual))
- {
- dprintf(CRITICAL, "Boot image buffer address overlaps with aboot addresses.\n");
- return -1;
- }
-
- /* Read image without signature */
- if (mmc_read(ptn + offset, (void *)image_addr, imagesize_actual))
- {
- dprintf(CRITICAL, "ERROR: Cannot read boot image\n");
- return -1;
- }
-
- dprintf(INFO, "Loading boot image (%d): done\n", imagesize_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
- offset = imagesize_actual;
-
- if (check_aboot_addr_range_overlap(image_addr + offset, page_size))
- {
- dprintf(CRITICAL, "Signature read buffer address overlaps with aboot addresses.\n");
- return -1;
- }
-
- /* Read signature */
- if(mmc_read(ptn + offset, (void *)(image_addr + offset), page_size))
- {
- dprintf(CRITICAL, "ERROR: Cannot read boot image signature\n");
- return -1;
- }
-
- verify_signed_bootimg(image_addr, imagesize_actual);
-
- /* Move kernel, ramdisk and device tree to correct address */
- memmove((void*) hdr->kernel_addr, (char *)(image_addr + page_size), hdr->kernel_size);
- memmove((void*) hdr->ramdisk_addr, (char *)(image_addr + page_size + kernel_actual), hdr->ramdisk_size);
-
- #if DEVICE_TREE
- if(hdr->dt_size) {
- dt_table_offset = ((uint32_t)image_addr + page_size + kernel_actual + ramdisk_actual + second_actual);
- table = (struct dt_table*) dt_table_offset;
-
- if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
- dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
- return -1;
- }
-
- /* Find index of device tree within device tree table */
- if(dev_tree_get_entry_info(table, &dt_entry) != 0){
- dprintf(CRITICAL, "ERROR: Device Tree Blob cannot be found\n");
- return -1;
- }
-
- /* Validate and Read device device tree in the "tags_add */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-
- memmove((void *)hdr->tags_addr, (char *)dt_table_offset + dt_entry.offset, dt_entry.size);
- } else {
- /*
- * If appended dev tree is found, update the atags with
- * memory address to the DTB appended location on RAM.
- * Else update with the atags address in the kernel header
- */
- void *dtb;
- dtb = dev_tree_appended((void*) hdr->kernel_addr,
- hdr->kernel_size,
- (void *)hdr->tags_addr);
- if (!dtb) {
- dprintf(CRITICAL, "ERROR: Appended Device Tree Blob not found\n");
- return -1;
- }
- }
- #endif
- }
- else
- {
- second_actual = ROUND_TO_PAGE(hdr->second_size, page_mask);
-
- dprintf(INFO, "Loading boot image (%d): start\n",
- kernel_actual + ramdisk_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_START);
-
- offset = page_size;
-
- /* Load kernel */
- if (mmc_read(ptn + offset, (void *)hdr->kernel_addr, kernel_actual)) {
- dprintf(CRITICAL, "ERROR: Cannot read kernel image\n");
- return -1;
- }
- offset += kernel_actual;
-
- /* Load ramdisk */
- if(ramdisk_actual != 0)
- {
- if (mmc_read(ptn + offset, (void *)hdr->ramdisk_addr, ramdisk_actual)) {
- dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n");
- return -1;
- }
- }
- offset += ramdisk_actual;
-
- dprintf(INFO, "Loading boot image (%d): done\n",
- kernel_actual + ramdisk_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
- if(hdr->second_size != 0) {
- offset += second_actual;
- /* Second image loading not implemented. */
- ASSERT(0);
- }
-
- #if DEVICE_TREE
- if(hdr->dt_size != 0) {
- /* Read the first page of device tree table into buffer */
- if(mmc_read(ptn + offset,(unsigned int *) dt_buf, page_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
- return -1;
- }
- table = (struct dt_table*) dt_buf;
-
- if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
- dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
- return -1;
- }
-
- table = (struct dt_table*) memalign(CACHE_LINE, dt_hdr_size);
- if (!table)
- return -1;
-
- /* Read the entire device tree table into buffer */
- if(mmc_read(ptn + offset,(unsigned int *) table, dt_hdr_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
- return -1;
- }
-
- /* Find index of device tree within device tree table */
- if(dev_tree_get_entry_info(table, &dt_entry) != 0){
- dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
- return -1;
- }
-
- /* Validate and Read device device tree in the "tags_add */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-
- if(mmc_read(ptn + offset + dt_entry.offset,
- (void *)hdr->tags_addr, dt_entry.size)) {
- dprintf(CRITICAL, "ERROR: Cannot read device tree\n");
- return -1;
- }
- #ifdef TZ_SAVE_KERNEL_HASH
- aboot_save_boot_hash_mmc(hdr->kernel_addr, kernel_actual,
- hdr->ramdisk_addr, ramdisk_actual,
- ptn, offset, hdr->dt_size);
- #endif /* TZ_SAVE_KERNEL_HASH */
-
- } else {
-
- /* Validate the tags_addr */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, kernel_actual))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
- /*
- * If appended dev tree is found, update the atags with
- * memory address to the DTB appended location on RAM.
- * Else update with the atags address in the kernel header
- */
- void *dtb;
- dtb = dev_tree_appended((void*) hdr->kernel_addr,
- kernel_actual,
- (void *)hdr->tags_addr);
- if (!dtb) {
- dprintf(CRITICAL, "ERROR: Appended Device Tree Blob not found\n");
- return -1;
- }
- }
- #endif
- }
-
- if (boot_into_recovery && !device.is_unlocked && !device.is_tampered)
- target_load_ssd_keystore();
-
-unified_boot:
-
- boot_linux((void *)hdr->kernel_addr, (void *)hdr->tags_addr,
- (const char *)hdr->cmdline, board_machtype(),
- (void *)hdr->ramdisk_addr, hdr->ramdisk_size);
-
- return 0;
-}
-
-int boot_linux_from_flash(void)
-{
- struct boot_img_hdr *hdr = (void*) buf;
- struct ptentry *ptn;
- struct ptable *ptable;
- unsigned offset = 0;
-
- unsigned char *image_addr = 0;
- unsigned kernel_actual;
- unsigned ramdisk_actual;
- unsigned imagesize_actual;
- unsigned second_actual;
-
-#if DEVICE_TREE
- struct dt_table *table;
- struct dt_entry dt_entry;
- uint32_t dt_actual;
- uint32_t dt_hdr_size;
-#endif
-
- if (target_is_emmc_boot()) {
- hdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR;
- if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
- return -1;
- }
- goto continue_boot;
- }
-
- ptable = flash_get_ptable();
- if (ptable == NULL) {
- dprintf(CRITICAL, "ERROR: Partition table not found\n");
- return -1;
- }
-
- if(!boot_into_recovery)
- {
- ptn = ptable_find(ptable, "boot");
-
- if (ptn == NULL) {
- dprintf(CRITICAL, "ERROR: No boot partition found\n");
- return -1;
- }
- }
- else
- {
- ptn = ptable_find(ptable, "recovery");
- if (ptn == NULL) {
- dprintf(CRITICAL, "ERROR: No recovery partition found\n");
- return -1;
- }
- }
-
- if (flash_read(ptn, offset, buf, page_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
- return -1;
- }
-
- if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
- return -1;
- }
-
- if (hdr->page_size != page_size) {
- dprintf(CRITICAL, "ERROR: Invalid boot image pagesize. Device pagesize: %d, Image pagesize: %d\n",page_size,hdr->page_size);
- return -1;
- }
-
- /*
- * Update the kernel/ramdisk/tags address if the boot image header
- * has default values, these default values come from mkbootimg when
- * the boot image is flashed using fastboot flash:raw
- */
- update_ker_tags_rdisk_addr(hdr, false);
-
- /* Get virtual addresses since the hdr saves physical addresses. */
- hdr->kernel_addr = VA((addr_t)(hdr->kernel_addr));
- hdr->ramdisk_addr = VA((addr_t)(hdr->ramdisk_addr));
- hdr->tags_addr = VA((addr_t)(hdr->tags_addr));
-
- kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
- ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-
- /* Check if the addresses in the header are valid. */
- if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
- check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
- {
- dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
- return -1;
- }
-
-#ifndef DEVICE_TREE
- if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
- {
- dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
- return -1;
- }
-#endif
-
- /* Authenticate Kernel */
- if(target_use_signed_kernel() && (!device.is_unlocked))
- {
- image_addr = (unsigned char *)target_get_scratch_address();
- offset = 0;
-
-#if DEVICE_TREE
- dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
- imagesize_actual = (page_size + kernel_actual + ramdisk_actual + dt_actual);
-
- if (check_aboot_addr_range_overlap(hdr->tags_addr, hdr->dt_size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-#else
- imagesize_actual = (page_size + kernel_actual + ramdisk_actual);
-#endif
-
- dprintf(INFO, "Loading boot image (%d): start\n", imagesize_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_START);
-
- /* Read image without signature */
- if (flash_read(ptn, offset, (void *)image_addr, imagesize_actual))
- {
- dprintf(CRITICAL, "ERROR: Cannot read boot image\n");
- return -1;
- }
-
- dprintf(INFO, "Loading boot image (%d): done\n", imagesize_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
- offset = imagesize_actual;
- /* Read signature */
- if (flash_read(ptn, offset, (void *)(image_addr + offset), page_size))
- {
- dprintf(CRITICAL, "ERROR: Cannot read boot image signature\n");
- return -1;
- }
-
- verify_signed_bootimg(image_addr, imagesize_actual);
-
- /* Move kernel and ramdisk to correct address */
- memmove((void*) hdr->kernel_addr, (char *)(image_addr + page_size), hdr->kernel_size);
- memmove((void*) hdr->ramdisk_addr, (char *)(image_addr + page_size + kernel_actual), hdr->ramdisk_size);
-#if DEVICE_TREE
- /* Validate and Read device device tree in the "tags_add */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-
- memmove((void*) hdr->tags_addr, (char *)(image_addr + page_size + kernel_actual + ramdisk_actual), hdr->dt_size);
-#endif
-
- /* Make sure everything from scratch address is read before next step!*/
- if(device.is_tampered)
- {
- write_device_info_flash(&device);
- }
-#if USE_PCOM_SECBOOT
- set_tamper_flag(device.is_tampered);
-#endif
- }
- else
- {
- offset = page_size;
-
- kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
- ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
- second_actual = ROUND_TO_PAGE(hdr->second_size, page_mask);
-
- dprintf(INFO, "Loading boot image (%d): start\n",
- kernel_actual + ramdisk_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_START);
-
- if (flash_read(ptn, offset, (void *)hdr->kernel_addr, kernel_actual)) {
- dprintf(CRITICAL, "ERROR: Cannot read kernel image\n");
- return -1;
- }
- offset += kernel_actual;
-
- if (flash_read(ptn, offset, (void *)hdr->ramdisk_addr, ramdisk_actual)) {
- dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n");
- return -1;
- }
- offset += ramdisk_actual;
-
- dprintf(INFO, "Loading boot image (%d): done\n",
- kernel_actual + ramdisk_actual);
- bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
- if(hdr->second_size != 0) {
- offset += second_actual;
- /* Second image loading not implemented. */
- ASSERT(0);
- }
-
-#if DEVICE_TREE
- if(hdr->dt_size != 0) {
-
- /* Read the device tree table into buffer */
- if(flash_read(ptn, offset, (void *) dt_buf, page_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
- return -1;
- }
-
- table = (struct dt_table*) dt_buf;
-
- if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
- dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
- return -1;
- }
-
- table = (struct dt_table*) memalign(CACHE_LINE, dt_hdr_size);
- if (!table)
- return -1;
-
- /* Read the entire device tree table into buffer */
- if(flash_read(ptn, offset, (void *)table, dt_hdr_size)) {
- dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
- return -1;
- }
-
-
- /* Find index of device tree within device tree table */
- if(dev_tree_get_entry_info(table, &dt_entry) != 0){
- dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
- return -1;
- }
-
- /* Validate and Read device device tree in the "tags_add */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-
- /* Read device device tree in the "tags_add */
- if(flash_read(ptn, offset + dt_entry.offset,
- (void *)hdr->tags_addr, dt_entry.size)) {
- dprintf(CRITICAL, "ERROR: Cannot read device tree\n");
- return -1;
- }
- }
-#endif
-
- }
-continue_boot:
-
- /* TODO: create/pass atags to kernel */
-
- boot_linux((void *)hdr->kernel_addr, (void *)hdr->tags_addr,
- (const char *)hdr->cmdline, board_machtype(),
- (void *)hdr->ramdisk_addr, hdr->ramdisk_size);
-
- return 0;
-}
-
-BUF_DMA_ALIGN(info_buf, BOOT_IMG_MAX_PAGE_SIZE);
-void write_device_info_mmc(device_info *dev)
-{
- struct device_info *info = (void*) info_buf;
- unsigned long long ptn = 0;
- unsigned long long size;
- int index = INVALID_PTN;
- uint32_t blocksize;
- uint8_t lun = 0;
-
- index = partition_get_index("aboot");
- ptn = partition_get_offset(index);
- if(ptn == 0)
- {
- return;
- }
-
- lun = partition_get_lun(index);
- mmc_set_lun(lun);
-
- size = partition_get_size(index);
-
- memcpy(info, dev, sizeof(device_info));
-
- blocksize = mmc_get_device_blocksize();
-
- if(mmc_write((ptn + size - blocksize), blocksize, (void *)info_buf))
- {
- dprintf(CRITICAL, "ERROR: Cannot write device info\n");
- return;
- }
-}
-
-void read_device_info_mmc(device_info *dev)
-{
- struct device_info *info = (void*) info_buf;
- unsigned long long ptn = 0;
- unsigned long long size;
- int index = INVALID_PTN;
- uint32_t blocksize;
-
- index = partition_get_index("aboot");
- ptn = partition_get_offset(index);
- if(ptn == 0)
- {
- return;
- }
-
- size = partition_get_size(index);
-
- blocksize = mmc_get_device_blocksize();
-
- if(mmc_read((ptn + size - blocksize), (void *)info_buf, blocksize))
- {
- dprintf(CRITICAL, "ERROR: Cannot read device info\n");
- return;
- }
-
- if (memcmp(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE))
- {
- memcpy(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE);
- info->is_unlocked = 0;
- info->is_tampered = 0;
- info->charger_screen_enabled = 0;
-
- write_device_info_mmc(info);
- }
- memcpy(dev, info, sizeof(device_info));
-}
-
-void write_device_info_flash(device_info *dev)
-{
- struct device_info *info = (void *) info_buf;
- struct ptentry *ptn;
- struct ptable *ptable;
-
- ptable = flash_get_ptable();
- if (ptable == NULL)
- {
- dprintf(CRITICAL, "ERROR: Partition table not found\n");
- return;
- }
-
- ptn = ptable_find(ptable, "devinfo");
- if (ptn == NULL)
- {
- dprintf(CRITICAL, "ERROR: No boot partition found\n");
- return;
- }
-
- memcpy(info, dev, sizeof(device_info));
-
- if (flash_write(ptn, 0, (void *)info_buf, page_size))
- {
- dprintf(CRITICAL, "ERROR: Cannot write device info\n");
- return;
- }
-}
-
-void read_device_info_flash(device_info *dev)
-{
- struct device_info *info = (void*) info_buf;
- struct ptentry *ptn;
- struct ptable *ptable;
-
- ptable = flash_get_ptable();
- if (ptable == NULL)
- {
- dprintf(CRITICAL, "ERROR: Partition table not found\n");
- return;
- }
-
- ptn = ptable_find(ptable, "devinfo");
- if (ptn == NULL)
- {
- dprintf(CRITICAL, "ERROR: No boot partition found\n");
- return;
- }
-
- if (flash_read(ptn, 0, (void *)info_buf, page_size))
- {
- dprintf(CRITICAL, "ERROR: Cannot write device info\n");
- return;
- }
-
- if (memcmp(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE))
- {
- memcpy(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE);
- info->is_unlocked = 0;
- info->is_tampered = 0;
- write_device_info_flash(info);
- }
- memcpy(dev, info, sizeof(device_info));
-}
-
-void write_device_info(device_info *dev)
-{
- if(target_is_emmc_boot())
- {
- write_device_info_mmc(dev);
- }
- else
- {
- write_device_info_flash(dev);
- }
-}
-
-void read_device_info(device_info *dev)
-{
- if(target_is_emmc_boot())
- {
- read_device_info_mmc(dev);
- }
- else
- {
- read_device_info_flash(dev);
- }
-}
-
-void reset_device_info()
-{
- dprintf(ALWAYS, "reset_device_info called.");
- device.is_tampered = 0;
- write_device_info(&device);
-}
-
-void set_device_root()
-{
- dprintf(ALWAYS, "set_device_root called.");
- device.is_tampered = 1;
- write_device_info(&device);
-}
-
-#if DEVICE_TREE
-int copy_dtb(uint8_t *boot_image_start)
-{
- uint32 dt_image_offset = 0;
- uint32_t n;
- struct dt_table *table;
- struct dt_entry dt_entry;
- uint32_t dt_hdr_size;
-
- struct boot_img_hdr *hdr = (struct boot_img_hdr *) (boot_image_start);
-
- if(hdr->dt_size != 0) {
-
- /* add kernel offset */
- dt_image_offset += page_size;
- n = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
- dt_image_offset += n;
-
- /* add ramdisk offset */
- n = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
- dt_image_offset += n;
-
- /* add second offset */
- if(hdr->second_size != 0) {
- n = ROUND_TO_PAGE(hdr->second_size, page_mask);
- dt_image_offset += n;
- }
-
- /* offset now point to start of dt.img */
- table = (struct dt_table*)(boot_image_start + dt_image_offset);
-
- if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
- dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
- return -1;
- }
- /* Find index of device tree within device tree table */
- if(dev_tree_get_entry_info(table, &dt_entry) != 0){
- dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
- return -1;
- }
-
- /* Validate and Read device device tree in the "tags_add */
- if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
- {
- dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
- return -1;
- }
-
- /* Read device device tree in the "tags_add */
- memmove((void*) hdr->tags_addr,
- boot_image_start + dt_image_offset + dt_entry.offset,
- dt_entry.size);
- } else
- return -1;
-
- /* Everything looks fine. Return success. */
- return 0;
-}
-#endif
-
-void cmd_boot(const char *arg, void *data, unsigned sz)
-{
- unsigned kernel_actual;
- unsigned ramdisk_actual;
- uint32_t image_actual;
- uint32_t dt_actual = 0;
- uint32_t sig_actual = SIGNATURE_SIZE;
- struct boot_img_hdr *hdr;
- struct kernel64_hdr *kptr;
- char *ptr = ((char*) data);
- int ret = 0;
- uint8_t dtb_copied = 0;
-
- if (sz < sizeof(hdr)) {
- fastboot_fail("invalid bootimage header");
- return;
- }
-
- hdr = (struct boot_img_hdr *)data;
-
- /* ensure commandline is terminated */
- hdr->cmdline[BOOT_ARGS_SIZE-1] = 0;
-
- if(target_is_emmc_boot() && hdr->page_size) {
- page_size = hdr->page_size;
- page_mask = page_size - 1;
- }
-
- kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
- ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-#if DEVICE_TREE
- dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
-#endif
-
- image_actual = ADD_OF(page_size, kernel_actual);
- image_actual = ADD_OF(image_actual, ramdisk_actual);
- image_actual = ADD_OF(image_actual, dt_actual);
-
- if (target_use_signed_kernel() && (!device.is_unlocked))
- image_actual = ADD_OF(image_actual, sig_actual);
-
- /* sz should have atleast raw boot image */
- if (image_actual > sz) {
- fastboot_fail("bootimage: incomplete or not signed");
- return;
- }
-
- /* Verify the boot image
- * device & page_size are initialized in aboot_init
- */
- if (target_use_signed_kernel() && (!device.is_unlocked))
- /* Pass size excluding signature size, otherwise we would try to
- * access signature beyond its length
- */
- verify_signed_bootimg((uint32_t)data, (image_actual - sig_actual));
-
- /*
- * Update the kernel/ramdisk/tags address if the boot image header
- * has default values, these default values come from mkbootimg when
- * the boot image is flashed using fastboot flash:raw
- */
- kptr = (struct kernel64_hdr*)((char*) data + page_size);
- update_ker_tags_rdisk_addr(hdr, IS_ARM64(kptr));
-
- /* Get virtual addresses since the hdr saves physical addresses. */
- hdr->kernel_addr = VA(hdr->kernel_addr);
- hdr->ramdisk_addr = VA(hdr->ramdisk_addr);
- hdr->tags_addr = VA(hdr->tags_addr);
-
- /* Check if the addresses in the header are valid. */
- if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
- check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
- {
- dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
- return;
- }
-
-#if DEVICE_TREE
- /* find correct dtb and copy it to right location */
- ret = copy_dtb(data);
-
- dtb_copied = !ret ? 1 : 0;
-#else
- if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
- {
- dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
- return;
- }
-#endif
-
- /* Load ramdisk & kernel */
- memmove((void*) hdr->ramdisk_addr, ptr + page_size + kernel_actual, hdr->ramdisk_size);
- memmove((void*) hdr->kernel_addr, ptr + page_size, hdr->kernel_size);
-
-#if DEVICE_TREE
- /*
- * If dtb is not found look for appended DTB in the kernel.
- * If appended dev tree is found, update the atags with
- * memory address to the DTB appended location on RAM.
- * Else update with the atags address in the kernel header
- */
- if (!dtb_copied) {
- void *dtb;
- dtb = dev_tree_appended((void *)hdr->kernel_addr, hdr->kernel_size,
- (void *)hdr->tags_addr);
- if (!dtb) {
- fastboot_fail("dtb not found");
- return;
- }
- }
-#endif
-
-#ifndef DEVICE_TREE
- if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
- {
- dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
- return;
- }
-#endif
-
- fastboot_okay("");
- fastboot_stop();
-
- boot_linux((void*) hdr->kernel_addr, (void*) hdr->tags_addr,
- (const char*) hdr->cmdline, board_machtype(),
- (void*) hdr->ramdisk_addr, hdr->ramdisk_size);
-}
-
-void cmd_erase(const char *arg, void *data, unsigned sz)
-{
- struct ptentry *ptn;
- struct ptable *ptable;
-
- ptable = flash_get_ptable();
- if (ptable == NULL) {
- fastboot_fail("partition table doesn't exist");
- return;
- }
-
- ptn = ptable_find(ptable, arg);
- if (ptn == NULL) {
- fastboot_fail("unknown partition name");
- return;
- }
-
- if (flash_erase(ptn)) {
- fastboot_fail("failed to erase partition");
- return;
- }
- fastboot_okay("");
-}
-
-
-void cmd_erase_mmc(const char *arg, void *data, unsigned sz)
-{
- BUF_DMA_ALIGN(out, DEFAULT_ERASE_SIZE);
- unsigned long long ptn = 0;
- unsigned long long size = 0;
- int index = INVALID_PTN;
- uint8_t lun = 0;
-
- index = partition_get_index(arg);
- ptn = partition_get_offset(index);
- size = partition_get_size(index);
-
- if(ptn == 0) {
- fastboot_fail("Partition table doesn't exist\n");
- return;
- }
-
- lun = partition_get_lun(index);
- mmc_set_lun(lun);
-
-#if MMC_SDHCI_SUPPORT
- if (mmc_erase_card(ptn, size)) {
- fastboot_fail("failed to erase partition\n");
- return;
- }
-#else
- size = partition_get_size(index);
- if (size > DEFAULT_ERASE_SIZE)
- size = DEFAULT_ERASE_SIZE;
-
- /* Simple inefficient version of erase. Just writing
- 0 in first several blocks */
- if (mmc_write(ptn , size, (unsigned int *)out)) {
- fastboot_fail("failed to erase partition");
- return;
- }
-#endif
- fastboot_okay("");
-}
-
-
-void cmd_flash_mmc_img(const char *arg, void *data, unsigned sz)
-{
- unsigned long long ptn = 0;
- unsigned long long size = 0;
- int index = INVALID_PTN;
- char *token = NULL;
- char *pname = NULL;
- uint8_t lun = 0;
- bool lun_set = false;
-
- token = strtok(arg, ":");
- pname = token;
- token = strtok(NULL, ":");
- if(token)
- {
- lun = atoi(token);
- mmc_set_lun(lun);
- lun_set = true;
- }
-
- if (pname)
- {
- if (!strcmp(pname, "partition"))
- {
- dprintf(INFO, "Attempt to write partition image.\n");
- if (write_partition(sz, (unsigned char *) data)) {
- fastboot_fail("failed to write partition");
- return;
- }
- }
- else
- {
- index = partition_get_index(pname);
- ptn = partition_get_offset(index);
- if(ptn == 0) {
- fastboot_fail("partition table doesn't exist");
- return;
- }
-
- if (!strcmp(pname, "boot") || !strcmp(pname, "recovery")) {
- if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- fastboot_fail("image is not a boot image");
- return;
- }
- }
-
- if(!lun_set)
- {
- lun = partition_get_lun(index);
- mmc_set_lun(lun);
- }
-
- size = partition_get_size(index);
- if (ROUND_TO_PAGE(sz,511) > size) {
- fastboot_fail("size too large");
- return;
- }
- else if (mmc_write(ptn , sz, (unsigned int *)data)) {
- fastboot_fail("flash write failure");
- return;
- }
- }
- }
- fastboot_okay("");
- return;
-}
+#include <config.h>
+#include <common.h>
+#include <aboot.h>
+#include <malloc.h>
+#include <part.h>
+#include <sparse_format.h>
-void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
+void write_sparse_image(block_dev_desc_t *dev_desc,
+ disk_partition_t *info, const char *part_name,
+ void *data, unsigned sz)
{
+ lbaint_t blk;
+ lbaint_t blkcnt;
+ lbaint_t blks;
+ uint32_t bytes_written = 0;
unsigned int chunk;
unsigned int chunk_data_sz;
uint32_t *fill_buf = NULL;
uint32_t fill_val;
- uint32_t chunk_blk_cnt = 0;
sparse_header_t *sparse_header;
chunk_header_t *chunk_header;
uint32_t total_blocks = 0;
- unsigned long long ptn = 0;
- unsigned long long size = 0;
- int index = INVALID_PTN;
int i;
- uint8_t lun = 0;
-
- index = partition_get_index(arg);
- ptn = partition_get_offset(index);
- if(ptn == 0) {
- fastboot_fail("partition table doesn't exist");
- return;
- }
-
- size = partition_get_size(index);
- if (ROUND_TO_PAGE(sz,511) > size) {
- fastboot_fail("size too large");
- return;
- }
-
- lun = partition_get_lun(index);
- mmc_set_lun(lun);
/* Read and skip over sparse image header */
sparse_header = (sparse_header_t *) data;
- if ((sparse_header->total_blks * sparse_header->blk_sz) > size) {
- fastboot_fail("size too large");
- return;
- }
data += sparse_header->file_hdr_sz;
- if(sparse_header->file_hdr_sz > sizeof(sparse_header_t))
+ if (sparse_header->file_hdr_sz > sizeof(sparse_header_t))
{
- /* Skip the remaining bytes in a header that is longer than
+ /*
+ * Skip the remaining bytes in a header that is longer than
* we expected.
*/
data += (sparse_header->file_hdr_sz - sizeof(sparse_header_t));
}
- dprintf (SPEW, "=== Sparse Image Header ===\n");
- dprintf (SPEW, "magic: 0x%x\n", sparse_header->magic);
- dprintf (SPEW, "major_version: 0x%x\n", sparse_header->major_version);
- dprintf (SPEW, "minor_version: 0x%x\n", sparse_header->minor_version);
- dprintf (SPEW, "file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
- dprintf (SPEW, "chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
- dprintf (SPEW, "blk_sz: %d\n", sparse_header->blk_sz);
- dprintf (SPEW, "total_blks: %d\n", sparse_header->total_blks);
- dprintf (SPEW, "total_chunks: %d\n", sparse_header->total_chunks);
+ debug("=== Sparse Image Header ===\n");
+ debug("magic: 0x%x\n", sparse_header->magic);
+ debug("major_version: 0x%x\n", sparse_header->major_version);
+ debug("minor_version: 0x%x\n", sparse_header->minor_version);
+ debug("file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
+ debug("chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
+ debug("blk_sz: %d\n", sparse_header->blk_sz);
+ debug("total_blks: %d\n", sparse_header->total_blks);
+ debug("total_chunks: %d\n", sparse_header->total_chunks);
+
+ /* verify sparse_header->blk_sz is an exact multiple of info->blksz */
+ if (sparse_header->blk_sz !=
+ (sparse_header->blk_sz & ~(info->blksz - 1))) {
+ printf("%s: Sparse image block size issue [%u]\n",
+ __func__, sparse_header->blk_sz);
+ fastboot_fail("sparse image block size issue");
+ return;
+ }
+
+ puts("Flashing Sparse Image\n");
/* Start processing chunks */
+ blk = info->start;
for (chunk=0; chunk<sparse_header->total_chunks; chunk++)
{
/* Read and skip over chunk header */
chunk_header = (chunk_header_t *) data;
data += sizeof(chunk_header_t);
- dprintf (SPEW, "=== Chunk Header ===\n");
- dprintf (SPEW, "chunk_type: 0x%x\n", chunk_header->chunk_type);
- dprintf (SPEW, "chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
- dprintf (SPEW, "total_size: 0x%x\n", chunk_header->total_sz);
+ if (chunk_header->chunk_type != CHUNK_TYPE_RAW) {
+ debug("=== Chunk Header ===\n");
+ debug("chunk_type: 0x%x\n", chunk_header->chunk_type);
+ debug("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
+ debug("total_size: 0x%x\n", chunk_header->total_sz);
+ }
- if(sparse_header->chunk_hdr_sz > sizeof(chunk_header_t))
+ if (sparse_header->chunk_hdr_sz > sizeof(chunk_header_t))
{
- /* Skip the remaining bytes in a header that is longer than
- * we expected.
+ /*
+ * Skip the remaining bytes in a header that is longer
+ * than we expected.
*/
- data += (sparse_header->chunk_hdr_sz - sizeof(chunk_header_t));
+ data += (sparse_header->chunk_hdr_sz -
+ sizeof(chunk_header_t));
}
chunk_data_sz = sparse_header->blk_sz * chunk_header->chunk_sz;
+ blkcnt = chunk_data_sz / info->blksz;
switch (chunk_header->chunk_type)
{
case CHUNK_TYPE_RAW:
- if(chunk_header->total_sz != (sparse_header->chunk_hdr_sz +
- chunk_data_sz))
+ if (chunk_header->total_sz !=
+ (sparse_header->chunk_hdr_sz + chunk_data_sz))
{
- fastboot_fail("Bogus chunk size for chunk type Raw");
+ fastboot_fail(
+ "Bogus chunk size for chunk type Raw");
return;
}
- if(mmc_write(ptn + ((uint64_t)total_blocks*sparse_header->blk_sz),
- chunk_data_sz,
- (unsigned int*)data))
- {
+ if (blk + blkcnt > info->start + info->size) {
+ printf(
+ "%s: Request would exceed partition size!\n",
+ __func__);
+ fastboot_fail(
+ "Request would exceed partition size!");
+ return;
+ }
+
+ blks = dev_desc->block_write(dev_desc->dev, blk, blkcnt,
+ data);
+ if (blks != blkcnt) {
+ printf("%s: Write failed " LBAFU "\n",
+ __func__, blks);
fastboot_fail("flash write failure");
return;
}
+ blk += blkcnt;
+ bytes_written += blkcnt * info->blksz;
total_blocks += chunk_header->chunk_sz;
data += chunk_data_sz;
break;
case CHUNK_TYPE_FILL:
- if(chunk_header->total_sz != (sparse_header->chunk_hdr_sz +
- sizeof(uint32_t)))
+ if (chunk_header->total_sz !=
+ (sparse_header->chunk_hdr_sz + sizeof(uint32_t)))
{
- fastboot_fail("Bogus chunk size for chunk type FILL");
+ fastboot_fail(
+ "Bogus chunk size for chunk type FILL");
return;
}
- fill_buf = (uint32_t *)memalign(CACHE_LINE, ROUNDUP(sparse_header->blk_sz, CACHE_LINE));
+ fill_buf = (uint32_t *)
+ memalign(ARCH_DMA_MINALIGN,
+ ROUNDUP(info->blksz,
+ ARCH_DMA_MINALIGN));
if (!fill_buf)
{
- fastboot_fail("Malloc failed for: CHUNK_TYPE_FILL");
+ fastboot_fail(
+ "Malloc failed for: CHUNK_TYPE_FILL");
return;
}
fill_val = *(uint32_t *)data;
data = (char *) data + sizeof(uint32_t);
- chunk_blk_cnt = chunk_data_sz / sparse_header->blk_sz;
- for (i = 0; i < (sparse_header->blk_sz / sizeof(fill_val)); i++)
- {
+ for (i = 0; i < (info->blksz / sizeof(fill_val)); i++)
fill_buf[i] = fill_val;
+
+ if (blk + blkcnt > info->start + info->size) {
+ printf(
+ "%s: Request would exceed partition size!\n",
+ __func__);
+ fastboot_fail(
+ "Request would exceed partition size!");
+ return;
}
- for (i = 0; i < chunk_blk_cnt; i++)
- {
- if(mmc_write(ptn + ((uint64_t)total_blocks*sparse_header->blk_sz),
- sparse_header->blk_sz,
- fill_buf))
- {
+ for (i = 0; i < blkcnt; i++) {
+ blks = dev_desc->block_write(dev_desc->dev,
+ blk, 1, fill_buf);
+ if (blks != 1) {
+ printf(
+ "%s: Write failed, block # " LBAFU "\n",
+ __func__, blkcnt);
fastboot_fail("flash write failure");
free(fill_buf);
return;
}
-
- total_blocks++;
+ blk++;
}
+ bytes_written += blkcnt * info->blksz;
+ total_blocks += chunk_data_sz / sparse_header->blk_sz;
free(fill_buf);
break;
case CHUNK_TYPE_DONT_CARE:
+ blk += blkcnt;
total_blocks += chunk_header->chunk_sz;
break;
- case CHUNK_TYPE_CRC:
- if(chunk_header->total_sz != sparse_header->chunk_hdr_sz)
+ case CHUNK_TYPE_CRC32:
+ if (chunk_header->total_sz !=
+ sparse_header->chunk_hdr_sz)
{
- fastboot_fail("Bogus chunk size for chunk type Dont Care");
+ fastboot_fail(
+ "Bogus chunk size for chunk type Dont Care");
return;
}
total_blocks += chunk_header->chunk_sz;
break;
default:
- dprintf(CRITICAL, "Unkown chunk type: %x\n",chunk_header->chunk_type);
+ printf("%s: Unknown chunk type: %x\n", __func__,
+ chunk_header->chunk_type);
fastboot_fail("Unknown chunk type");
return;
}
}
- dprintf(INFO, "Wrote %d blocks, expected to write %d blocks\n",
- total_blocks, sparse_header->total_blks);
+ debug("Wrote %d blocks, expected to write %d blocks\n",
+ total_blocks, sparse_header->total_blks);
+ printf("........ wrote %u bytes to '%s'\n", bytes_written, part_name);
- if(total_blocks != sparse_header->total_blks)
- {
+ if (total_blocks != sparse_header->total_blks)
fastboot_fail("sparse image write failure");
- }
-
- fastboot_okay("");
- return;
-}
-
-void cmd_flash_mmc(const char *arg, void *data, unsigned sz)
-{
- sparse_header_t *sparse_header;
- /* 8 Byte Magic + 2048 Byte xml + Encrypted Data */
- unsigned int *magic_number = (unsigned int *) data;
-
-#ifdef SSD_ENABLE
- int ret=0;
- uint32 major_version=0;
- uint32 minor_version=0;
-
- ret = scm_svc_version(&major_version,&minor_version);
- if(!ret)
- {
- if(major_version >= 2)
- {
- if( !strcmp(arg, "ssd") || !strcmp(arg, "tqs") )
- {
- ret = encrypt_scm((uint32 **) &data, &sz);
- if (ret != 0) {
- dprintf(CRITICAL, "ERROR: Encryption Failure\n");
- return;
- }
-
- /* Protect only for SSD */
- if (!strcmp(arg, "ssd")) {
- ret = scm_protect_keystore((uint32 *) data, sz);
- if (ret != 0) {
- dprintf(CRITICAL, "ERROR: scm_protect_keystore Failed\n");
- return;
- }
- }
- }
- else
- {
- ret = decrypt_scm_v2((uint32 **) &data, &sz);
- if(ret != 0)
- {
- dprintf(CRITICAL,"ERROR: Decryption Failure\n");
- return;
- }
- }
- }
- else
- {
- if (magic_number[0] == DECRYPT_MAGIC_0 &&
- magic_number[1] == DECRYPT_MAGIC_1)
- {
- ret = decrypt_scm((uint32 **) &data, &sz);
- if (ret != 0) {
- dprintf(CRITICAL, "ERROR: Invalid secure image\n");
- return;
- }
- }
- else if (magic_number[0] == ENCRYPT_MAGIC_0 &&
- magic_number[1] == ENCRYPT_MAGIC_1)
- {
- ret = encrypt_scm((uint32 **) &data, &sz);
- if (ret != 0) {
- dprintf(CRITICAL, "ERROR: Encryption Failure\n");
- return;
- }
- }
- }
- }
- else
- {
- dprintf(CRITICAL,"INVALID SVC Version\n");
- return;
- }
-#endif /* SSD_ENABLE */
-
- sparse_header = (sparse_header_t *) data;
- if (sparse_header->magic != SPARSE_HEADER_MAGIC)
- cmd_flash_mmc_img(arg, data, sz);
- else
- cmd_flash_mmc_sparse_img(arg, data, sz);
- return;
-}
-
-void cmd_flash(const char *arg, void *data, unsigned sz)
-{
- struct ptentry *ptn;
- struct ptable *ptable;
- unsigned extra = 0;
-
- ptable = flash_get_ptable();
- if (ptable == NULL) {
- fastboot_fail("partition table doesn't exist");
- return;
- }
-
- ptn = ptable_find(ptable, arg);
- if (ptn == NULL) {
- fastboot_fail("unknown partition name");
- return;
- }
-
- if (!strcmp(ptn->name, "boot") || !strcmp(ptn->name, "recovery")) {
- if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- fastboot_fail("image is not a boot image");
- return;
- }
- }
-
- if (!strcmp(ptn->name, "system")
- || !strcmp(ptn->name, "userdata")
- || !strcmp(ptn->name, "persist")
- || !strcmp(ptn->name, "recoveryfs")
- || !strcmp(ptn->name, "modem"))
- {
- if (memcmp((void *)data, UBI_MAGIC, UBI_MAGIC_SIZE))
- extra = 1;
- else
- extra = 0;
- }
- else
- sz = ROUND_TO_PAGE(sz, page_mask);
-
- dprintf(INFO, "writing %d bytes to '%s'\n", sz, ptn->name);
- if (flash_write(ptn, extra, data, sz)) {
- fastboot_fail("flash write failure");
- return;
- }
- dprintf(INFO, "partition '%s' updated\n", ptn->name);
- fastboot_okay("");
-}
-
-void cmd_continue(const char *arg, void *data, unsigned sz)
-{
- fastboot_okay("");
- fastboot_stop();
- if (target_is_emmc_boot())
- {
- boot_linux_from_mmc();
- }
- else
- {
- boot_linux_from_flash();
- }
-}
-
-void cmd_reboot(const char *arg, void *data, unsigned sz)
-{
- dprintf(INFO, "rebooting the device\n");
- fastboot_okay("");
- reboot_device(0);
-}
-
-void cmd_reboot_bootloader(const char *arg, void *data, unsigned sz)
-{
- dprintf(INFO, "rebooting the device\n");
- fastboot_okay("");
- reboot_device(FASTBOOT_MODE);
-}
-
-void cmd_oem_enable_charger_screen(const char *arg, void *data, unsigned size)
-{
- dprintf(INFO, "Enabling charger screen check\n");
- device.charger_screen_enabled = 1;
- write_device_info(&device);
- fastboot_okay("");
-}
-
-void cmd_oem_disable_charger_screen(const char *arg, void *data, unsigned size)
-{
- dprintf(INFO, "Disabling charger screen check\n");
- device.charger_screen_enabled = 0;
- write_device_info(&device);
- fastboot_okay("");
-}
-
-void cmd_oem_select_display_panel(const char *arg, void *data, unsigned size)
-{
- dprintf(INFO, "Selecting display panel %s\n", arg);
- if (arg)
- strlcpy(device.display_panel, arg,
- sizeof(device.display_panel));
- write_device_info(&device);
- fastboot_okay("");
-}
-
-void cmd_oem_unlock(const char *arg, void *data, unsigned sz)
-{
- if(!device.is_unlocked)
- {
- device.is_unlocked = 1;
- write_device_info(&device);
- }
- fastboot_okay("");
-}
-
-void cmd_oem_devinfo(const char *arg, void *data, unsigned sz)
-{
- char response[128];
- snprintf(response, sizeof(response), "\tDevice tampered: %s", (device.is_tampered ? "true" : "false"));
- fastboot_info(response);
- snprintf(response, sizeof(response), "\tDevice unlocked: %s", (device.is_unlocked ? "true" : "false"));
- fastboot_info(response);
- snprintf(response, sizeof(response), "\tCharger screen enabled: %s", (device.charger_screen_enabled ? "true" : "false"));
- fastboot_info(response);
- snprintf(response, sizeof(response), "\tDisplay panel: %s", (device.display_panel));
- fastboot_info(response);
- fastboot_okay("");
-}
-void cmd_preflash(const char *arg, void *data, unsigned sz)
-{
fastboot_okay("");
-}
-
-static struct fbimage logo_header = {0};
-struct fbimage* splash_screen_flash();
-
-int splash_screen_check_header(struct fbimage *logo)
-{
- if (memcmp(logo->header.magic, LOGO_IMG_MAGIC, 8))
- return -1;
- if (logo->header.width == 0 || logo->header.height == 0)
- return -1;
- return 0;
-}
-
-struct fbimage* splash_screen_flash()
-{
- struct ptentry *ptn;
- struct ptable *ptable;
- struct fbcon_config *fb_display = NULL;
- struct fbimage *logo = &logo_header;
-
-
- ptable = flash_get_ptable();
- if (ptable == NULL) {
- dprintf(CRITICAL, "ERROR: Partition table not found\n");
- return NULL;
- }
- ptn = ptable_find(ptable, "splash");
- if (ptn == NULL) {
- dprintf(CRITICAL, "ERROR: splash Partition not found\n");
- return NULL;
- }
-
- if (flash_read(ptn, 0,(unsigned int *) logo, sizeof(logo->header))) {
- dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
- return NULL;
- }
-
- if (splash_screen_check_header(logo)) {
- dprintf(CRITICAL, "ERROR: Boot image header invalid\n");
- return NULL;
- }
-
- fb_display = fbcon_display();
- if (fb_display) {
- uint8_t *base = (uint8_t *) fb_display->base;
- if (logo->header.width != fb_display->width || logo->header.height != fb_display->height) {
- base += LOGO_IMG_OFFSET;
- }
-
- if (flash_read(ptn + sizeof(logo->header), 0,
- base,
- ((((logo->header.width * logo->header.height * fb_display->bpp/8) + 511) >> 9) << 9))) {
- fbcon_clear();
- dprintf(CRITICAL, "ERROR: Cannot read splash image\n");
- return NULL;
- }
- logo->image = base;
- }
-
- return logo;
-}
-
-struct fbimage* splash_screen_mmc()
-{
- int index = INVALID_PTN;
- unsigned long long ptn = 0;
- struct fbcon_config *fb_display = NULL;
- struct fbimage *logo = &logo_header;
-
- index = partition_get_index("splash");
- if (index == 0) {
- dprintf(CRITICAL, "ERROR: splash Partition table not found\n");
- return NULL;
- }
-
- ptn = partition_get_offset(index);
- if (ptn == 0) {
- dprintf(CRITICAL, "ERROR: splash Partition invalid\n");
- return NULL;
- }
-
- if (mmc_read(ptn, (unsigned int *) logo, sizeof(logo->header))) {
- dprintf(CRITICAL, "ERROR: Cannot read splash image header\n");
- return NULL;
- }
-
- if (splash_screen_check_header(logo)) {
- dprintf(CRITICAL, "ERROR: Splash image header invalid\n");
- return NULL;
- }
-
- fb_display = fbcon_display();
- if (fb_display) {
- uint8_t *base = (uint8_t *) fb_display->base;
- if (logo->header.width != fb_display->width || logo->header.height != fb_display->height)
- base += LOGO_IMG_OFFSET;
-
- if (mmc_read(ptn + sizeof(logo->header),
- base,
- ((((logo->header.width * logo->header.height * fb_display->bpp/8) + 511) >> 9) << 9))) {
- fbcon_clear();
- dprintf(CRITICAL, "ERROR: Cannot read splash image\n");
- return NULL;
- }
-
- logo->image = base;
- }
-
- return logo;
-}
-
-
-struct fbimage* fetch_image_from_partition()
-{
- if (target_is_emmc_boot()) {
- return splash_screen_mmc();
- } else {
- return splash_screen_flash();
- }
-}
-
-/* Get the size from partiton name */
-static void get_partition_size(const char *arg, char *response)
-{
- uint64_t ptn = 0;
- uint64_t size;
- int index = INVALID_PTN;
-
- index = partition_get_index(arg);
-
- if (index == INVALID_PTN)
- {
- dprintf(CRITICAL, "Invalid partition index\n");
- return;
- }
-
- ptn = partition_get_offset(index);
-
- if(!ptn)
- {
- dprintf(CRITICAL, "Invalid partition name %s\n", arg);
- return;
- }
-
- size = partition_get_size(index);
-
- snprintf(response, MAX_RSP_SIZE, "\t 0x%llx", size);
return;
}
-
-/*
- * Publish the partition type & size info
- * fastboot getvar will publish the required information.
- * fastboot getvar partition_size:<partition_name>: partition size in hex
- * fastboot getvar partition_type:<partition_name>: partition type (ext/fat)
- */
-static void publish_getvar_partition_info(struct getvar_partition_info *info, uint8_t num_parts)
-{
- uint8_t i;
-
- for (i = 0; i < num_parts; i++) {
- get_partition_size(info[i].part_name, info[i].size_response);
-
- if (strlcat(info[i].getvar_size, info[i].part_name, MAX_GET_VAR_NAME_SIZE) >= MAX_GET_VAR_NAME_SIZE)
- {
- dprintf(CRITICAL, "partition size name truncated\n");
- return;
- }
- if (strlcat(info[i].getvar_type, info[i].part_name, MAX_GET_VAR_NAME_SIZE) >= MAX_GET_VAR_NAME_SIZE)
- {
- dprintf(CRITICAL, "partition type name truncated\n");
- return;
- }
-
- /* publish partition size & type info */
- fastboot_publish((const char *) info[i].getvar_size, (const char *) info[i].size_response);
- fastboot_publish((const char *) info[i].getvar_type, (const char *) info[i].type_response);
- }
-}
-
-/* register commands and variables for fastboot */
-void aboot_fastboot_register_commands(void)
-{
- if (target_is_emmc_boot())
- {
- fastboot_register("flash:", cmd_flash_mmc);
- fastboot_register("erase:", cmd_erase_mmc);
- }
- else
- {
- fastboot_register("flash:", cmd_flash);
- fastboot_register("erase:", cmd_erase);
- }
-
- fastboot_register("boot", cmd_boot);
- fastboot_register("continue", cmd_continue);
- fastboot_register("reboot", cmd_reboot);
- fastboot_register("reboot-bootloader", cmd_reboot_bootloader);
- fastboot_register("oem unlock", cmd_oem_unlock);
- fastboot_register("oem device-info", cmd_oem_devinfo);
- fastboot_register("preflash", cmd_preflash);
- fastboot_register("oem enable-charger-screen",
- cmd_oem_enable_charger_screen);
- fastboot_register("oem disable-charger-screen",
- cmd_oem_disable_charger_screen);
- fastboot_register("oem select-display-panel",
- cmd_oem_select_display_panel);
- /* publish variables and their values */
- fastboot_publish("product", TARGET(BOARD));
- fastboot_publish("kernel", "lk");
- fastboot_publish("serialno", sn_buf);
-
- /*
- * partition info is supported only for emmc partitions
- * Calling this for NAND prints some error messages which
- * is harmless but misleading. Avoid calling this for NAND
- * devices.
- */
- if (target_is_emmc_boot())
- publish_getvar_partition_info(part_info, ARRAY_SIZE(part_info));
-
- /* Max download size supported */
- snprintf(max_download_size, MAX_RSP_SIZE, "\t0x%x",
- target_get_max_flash_size());
- fastboot_publish("max-download-size", (const char *) max_download_size);
- /* Is the charger screen check enabled */
- snprintf(charger_screen_enabled, MAX_RSP_SIZE, "%d",
- device.charger_screen_enabled);
- fastboot_publish("charger-screen-enabled",
- (const char *) charger_screen_enabled);
- snprintf(panel_display_mode, MAX_RSP_SIZE, "%s",
- device.display_panel);
- fastboot_publish("display-panel",
- (const char *) panel_display_mode);
-}
-
-void aboot_init(const struct app_descriptor *app)
-{
- unsigned reboot_mode = 0;
- bool boot_into_fastboot = false;
-
- /* Setup page size information for nv storage */
- if (target_is_emmc_boot())
- {
- page_size = mmc_page_size();
- page_mask = page_size - 1;
- }
- else
- {
- page_size = flash_page_size();
- page_mask = page_size - 1;
- }
-
- ASSERT((MEMBASE + MEMSIZE) > MEMBASE);
-
- read_device_info(&device);
-
- /* Display splash screen if enabled */
-#if DISPLAY_SPLASH_SCREEN
- dprintf(SPEW, "Display Init: Start\n");
- target_display_init(device.display_panel);
- dprintf(SPEW, "Display Init: Done\n");
-#endif
-
-
- target_serialno((unsigned char *) sn_buf);
- dprintf(SPEW,"serial number: %s\n",sn_buf);
-
- memset(display_panel_buf, '\0', MAX_PANEL_BUF_SIZE);
-
- /* Check if we should do something other than booting up */
- if (keys_get_state(KEY_VOLUMEUP) && keys_get_state(KEY_VOLUMEDOWN))
- {
- dprintf(ALWAYS,"dload mode key sequence detected\n");
- if (set_download_mode(EMERGENCY_DLOAD))
- {
- dprintf(CRITICAL,"dload mode not supported by target\n");
- }
- else
- {
- reboot_device(DLOAD);
- dprintf(CRITICAL,"Failed to reboot into dload mode\n");
- }
- boot_into_fastboot = true;
- }
- if (!boot_into_fastboot)
- {
- if (keys_get_state(KEY_HOME) || keys_get_state(KEY_VOLUMEUP))
- boot_into_recovery = 1;
- if (!boot_into_recovery &&
- (keys_get_state(KEY_BACK) || keys_get_state(KEY_VOLUMEDOWN)))
- boot_into_fastboot = true;
- }
- #if NO_KEYPAD_DRIVER
- if (fastboot_trigger())
- boot_into_fastboot = true;
- #endif
-
- reboot_mode = check_reboot_mode();
- if (reboot_mode == RECOVERY_MODE) {
- boot_into_recovery = 1;
- } else if(reboot_mode == FASTBOOT_MODE) {
- boot_into_fastboot = true;
- }
-
- if (!boot_into_fastboot)
- {
- if (target_is_emmc_boot())
- {
- if(emmc_recovery_init())
- dprintf(ALWAYS,"error in emmc_recovery_init\n");
- if(target_use_signed_kernel())
- {
- if((device.is_unlocked) || (device.is_tampered))
- {
- #ifdef TZ_TAMPER_FUSE
- set_tamper_fuse_cmd();
- #endif
- #if USE_PCOM_SECBOOT
- set_tamper_flag(device.is_tampered);
- #endif
- }
- }
- boot_linux_from_mmc();
- }
- else
- {
- recovery_init();
- #if USE_PCOM_SECBOOT
- if((device.is_unlocked) || (device.is_tampered))
- set_tamper_flag(device.is_tampered);
- #endif
- boot_linux_from_flash();
- }
- dprintf(CRITICAL, "ERROR: Could not do normal boot. Reverting "
- "to fastboot mode.\n");
- }
-
- /* We are here means regular boot did not happen. Start fastboot. */
-
- /* register aboot specific fastboot commands */
- aboot_fastboot_register_commands();
-
- /* dump partition table for debug info */
- partition_dump();
-
- /* initialize and start fastboot */
- fastboot_init(target_get_scratch_address(), target_get_max_flash_size());
-}
-
-uint32_t get_page_size()
-{
- return page_size;
-}
-
-/*
- * Calculated and save hash (SHA256) for non-signed boot image.
- *
- * Hash the same data that is checked on the signed boot image.
- * Kernel and Ramdisk are already read to memory buffers.
- * Need to read the entire device-tree from mmc
- * since non-signed image only read the DT tags of the relevant platform.
- *
- * @param kernel_addr - kernel bufer
- * @param kernel_actual - kernel size in bytes
- * @param ramdisk_addr - ramdisk buffer
- * @param ramdisk_actual - ramdisk size
- * @param ptn - partition
- * @param dt_offset - device tree offset on mmc partition
- * @param dt_size
- *
- * @return int - 0 on success, negative value on failure.
- */
-int aboot_save_boot_hash_mmc(void *kernel_addr, unsigned kernel_actual,
- void *ramdisk_addr, unsigned ramdisk_actual,
- unsigned long long ptn,
- unsigned dt_offset, unsigned dt_size)
-{
- SHA256_CTX sha256_ctx;
- char digest[32]={0};
- char *buf = (char *)target_get_scratch_address();
- unsigned dt_actual = ROUND_TO_PAGE(dt_size, page_mask);
- unsigned imagesize_actual = page_size + kernel_actual + ramdisk_actual + dt_actual;
-
- SHA256_Init(&sha256_ctx);
-
- /* Read Boot Header */
- if (mmc_read(ptn, buf, page_size))
- {
- dprintf(CRITICAL, "ERROR: mmc_read() fail.\n");
- return -1;
- }
- /* Read entire Device Tree */
- if (mmc_read(ptn + dt_offset, buf+page_size, dt_actual))
- {
- dprintf(CRITICAL, "ERROR: mmc_read() fail.\n");
- return -1;
- }
- SHA256_Update(&sha256_ctx, buf, page_size); // Boot Header
- SHA256_Update(&sha256_ctx, kernel_addr, kernel_actual);
- SHA256_Update(&sha256_ctx, ramdisk_addr, ramdisk_actual);
- SHA256_Update(&sha256_ctx, buf+page_size, dt_actual); // Device Tree
-
- SHA256_Final(digest, &sha256_ctx);
-
- save_kernel_hash_cmd(digest);
- dprintf(INFO, "aboot_save_boot_hash_mmc: imagesize_actual size %d bytes.\n", (int) imagesize_actual);
-
- return 0;
-}
-
-APP_START(aboot)
- .init = aboot_init,
-APP_END
projects / karo-tx-uboot.git / blobdiff