+// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2001 William L. Pitts
* All rights reserved.
- *
- * Redistribution and use in source and binary forms are freely
- * permitted provided that the above copyright notice and this
- * paragraph and the following disclaimer are duplicated in all
- * such forms.
- *
- * This software is provided "AS IS" and without any express or
- * implied warranties, including, without limitation, the implied
- * warranties of merchantability and fitness for a particular
- * purpose.
*/
#include <common.h>
#include <command.h>
+#include <cpu_func.h>
#include <elf.h>
-#include <environment.h>
+#include <env.h>
+#include <image.h>
#include <net.h>
#include <vxworks.h>
#ifdef CONFIG_X86
#include <vbe.h>
+#include <asm/cache.h>
#include <asm/e820.h>
#include <linux/linkage.h>
#endif
-/*
- * A very simple ELF64 loader, assumes the image is valid, returns the
- * entry point address.
- *
- * Note if U-Boot is 32-bit, the loader assumes the to segment's
- * physical address and size is within the lower 32-bit address space.
- */
-static unsigned long load_elf64_image_phdr(unsigned long addr)
-{
- Elf64_Ehdr *ehdr; /* Elf header structure pointer */
- Elf64_Phdr *phdr; /* Program header structure pointer */
- int i;
-
- ehdr = (Elf64_Ehdr *)addr;
- phdr = (Elf64_Phdr *)(addr + (ulong)ehdr->e_phoff);
-
- /* Load each program header */
- for (i = 0; i < ehdr->e_phnum; ++i) {
- void *dst = (void *)(ulong)phdr->p_paddr;
- void *src = (void *)addr + phdr->p_offset;
-
- debug("Loading phdr %i to 0x%p (%lu bytes)\n",
- i, dst, (ulong)phdr->p_filesz);
- if (phdr->p_filesz)
- memcpy(dst, src, phdr->p_filesz);
- if (phdr->p_filesz != phdr->p_memsz)
- memset(dst + phdr->p_filesz, 0x00,
- phdr->p_memsz - phdr->p_filesz);
- flush_cache((unsigned long)dst, phdr->p_filesz);
- ++phdr;
- }
-
- return ehdr->e_entry;
-}
-
-/*
- * A very simple ELF loader, assumes the image is valid, returns the
- * entry point address.
- *
- * The loader firstly reads the EFI class to see if it's a 64-bit image.
- * If yes, call the ELF64 loader. Otherwise continue with the ELF32 loader.
- */
-static unsigned long load_elf_image_phdr(unsigned long addr)
-{
- Elf32_Ehdr *ehdr; /* Elf header structure pointer */
- Elf32_Phdr *phdr; /* Program header structure pointer */
- int i;
-
- ehdr = (Elf32_Ehdr *)addr;
- if (ehdr->e_ident[EI_CLASS] == ELFCLASS64)
- return load_elf64_image_phdr(addr);
-
- phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff);
-
- /* Load each program header */
- for (i = 0; i < ehdr->e_phnum; ++i) {
- void *dst = (void *)(uintptr_t)phdr->p_paddr;
- void *src = (void *)addr + phdr->p_offset;
-
- debug("Loading phdr %i to 0x%p (%i bytes)\n",
- i, dst, phdr->p_filesz);
- if (phdr->p_filesz)
- memcpy(dst, src, phdr->p_filesz);
- if (phdr->p_filesz != phdr->p_memsz)
- memset(dst + phdr->p_filesz, 0x00,
- phdr->p_memsz - phdr->p_filesz);
- flush_cache((unsigned long)dst, phdr->p_filesz);
- ++phdr;
- }
-
- return ehdr->e_entry;
-}
-
-static unsigned long load_elf_image_shdr(unsigned long addr)
-{
- Elf32_Ehdr *ehdr; /* Elf header structure pointer */
- Elf32_Shdr *shdr; /* Section header structure pointer */
- unsigned char *strtab = 0; /* String table pointer */
- unsigned char *image; /* Binary image pointer */
- int i; /* Loop counter */
-
- ehdr = (Elf32_Ehdr *)addr;
-
- /* Find the section header string table for output info */
- shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
- (ehdr->e_shstrndx * sizeof(Elf32_Shdr)));
-
- if (shdr->sh_type == SHT_STRTAB)
- strtab = (unsigned char *)(addr + shdr->sh_offset);
-
- /* Load each appropriate section */
- for (i = 0; i < ehdr->e_shnum; ++i) {
- shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
- (i * sizeof(Elf32_Shdr)));
-
- if (!(shdr->sh_flags & SHF_ALLOC) ||
- shdr->sh_addr == 0 || shdr->sh_size == 0) {
- continue;
- }
-
- if (strtab) {
- debug("%sing %s @ 0x%08lx (%ld bytes)\n",
- (shdr->sh_type == SHT_NOBITS) ? "Clear" : "Load",
- &strtab[shdr->sh_name],
- (unsigned long)shdr->sh_addr,
- (long)shdr->sh_size);
- }
-
- if (shdr->sh_type == SHT_NOBITS) {
- memset((void *)(uintptr_t)shdr->sh_addr, 0,
- shdr->sh_size);
- } else {
- image = (unsigned char *)addr + shdr->sh_offset;
- memcpy((void *)(uintptr_t)shdr->sh_addr,
- (const void *)image, shdr->sh_size);
- }
- flush_cache(shdr->sh_addr, shdr->sh_size);
- }
-
- return ehdr->e_entry;
-}
-
/* Allow ports to override the default behavior */
static unsigned long do_bootelf_exec(ulong (*entry)(int, char * const[]),
- int argc, char * const argv[])
+ int argc, char *const argv[])
{
unsigned long ret;
return ret;
}
-/*
- * Determine if a valid ELF image exists at the given memory location.
- * First look at the ELF header magic field, then make sure that it is
- * executable.
- */
-int valid_elf_image(unsigned long addr)
-{
- Elf32_Ehdr *ehdr; /* Elf header structure pointer */
-
- ehdr = (Elf32_Ehdr *)addr;
-
- if (!IS_ELF(*ehdr)) {
- printf("## No elf image at address 0x%08lx\n", addr);
- return 0;
- }
-
- if (ehdr->e_type != ET_EXEC) {
- printf("## Not a 32-bit elf image at address 0x%08lx\n", addr);
- return 0;
- }
-
- return 1;
-}
-
/* Interpreter command to boot an arbitrary ELF image from memory */
-int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_bootelf(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
unsigned long addr; /* Address of the ELF image */
unsigned long rc; /* Return value from user code */
/* Consume address */
argc--; argv++;
} else
- addr = load_addr;
+ addr = image_load_addr;
if (!valid_elf_image(addr))
return 1;
* be either an ELF image or a raw binary. Will attempt to setup the
* bootline and other parameters correctly.
*/
-int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_bootvx(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
unsigned long addr; /* Address of image */
- unsigned long bootaddr; /* Address to put the bootline */
+ unsigned long bootaddr = 0; /* Address to put the bootline */
char *bootline; /* Text of the bootline */
char *tmp; /* Temporary char pointer */
char build_buf[128]; /* Buffer for building the bootline */
* If we don't know where the image is then we're done.
*/
if (argc < 2)
- addr = load_addr;
+ addr = image_load_addr;
else
addr = simple_strtoul(argv[1], NULL, 16);
puts("## Ethernet MAC address not copied to NV RAM\n");
#endif
+#ifdef CONFIG_X86
+ /*
+ * Get VxWorks's physical memory base address from environment,
+ * if we don't specify it in the environment, use a default one.
+ */
+ base = env_get_hex("vx_phys_mem_base", VXWORKS_PHYS_MEM_BASE);
+ data = (struct e820_entry *)(base + E820_DATA_OFFSET);
+ info = (struct e820_info *)(base + E820_INFO_OFFSET);
+
+ memset(info, 0, sizeof(struct e820_info));
+ info->sign = E820_SIGNATURE;
+ info->entries = install_e820_map(E820MAX, data);
+ info->addr = (info->entries - 1) * sizeof(struct e820_entry) +
+ E820_DATA_OFFSET;
+
+ /*
+ * Explicitly clear the bootloader image size otherwise if memory
+ * at this offset happens to contain some garbage data, the final
+ * available memory size for the kernel is insane.
+ */
+ *(u32 *)(base + BOOT_IMAGE_SIZE_OFFSET) = 0;
+
+ /*
+ * Prepare compatible framebuffer information block.
+ * The VESA mode has to be 32-bit RGBA.
+ */
+ if (vesa->x_resolution && vesa->y_resolution) {
+ gop = (struct efi_gop_info *)(base + EFI_GOP_INFO_OFFSET);
+ gop->magic = EFI_GOP_INFO_MAGIC;
+ gop->info.version = 0;
+ gop->info.width = vesa->x_resolution;
+ gop->info.height = vesa->y_resolution;
+ gop->info.pixel_format = EFI_GOT_RGBA8;
+ gop->info.pixels_per_scanline = vesa->bytes_per_scanline / 4;
+ gop->fb_base = vesa->phys_base_ptr;
+ gop->fb_size = vesa->bytes_per_scanline * vesa->y_resolution;
+ }
+#endif
+
/*
* Use bootaddr to find the location in memory that VxWorks
* will look for the bootline string. The default value is
*/
tmp = env_get("bootaddr");
if (!tmp) {
+#ifdef CONFIG_X86
+ bootaddr = base + X86_BOOT_LINE_OFFSET;
+#else
printf("## VxWorks bootline address not specified\n");
return 1;
+#endif
}
- bootaddr = simple_strtoul(tmp, NULL, 16);
+ if (!bootaddr)
+ bootaddr = simple_strtoul(tmp, NULL, 16);
/*
* Check to see if the bootline is defined in the 'bootargs' parameter.
flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
printf("## Using bootline (@ 0x%lx): %s\n", bootaddr, (char *)bootaddr);
-#ifdef CONFIG_X86
- /*
- * Get VxWorks's physical memory base address from environment,
- * if we don't specify it in the environment, use a default one.
- */
- base = env_get_hex("vx_phys_mem_base", VXWORKS_PHYS_MEM_BASE);
- data = (struct e820_entry *)(base + E820_DATA_OFFSET);
- info = (struct e820_info *)(base + E820_INFO_OFFSET);
-
- memset(info, 0, sizeof(struct e820_info));
- info->sign = E820_SIGNATURE;
- info->entries = install_e820_map(E820MAX, data);
- info->addr = (info->entries - 1) * sizeof(struct e820_entry) +
- E820_DATA_OFFSET;
-
- /*
- * Explicitly clear the bootloader image size otherwise if memory
- * at this offset happens to contain some garbage data, the final
- * available memory size for the kernel is insane.
- */
- *(u32 *)(base + BOOT_IMAGE_SIZE_OFFSET) = 0;
-
- /*
- * Prepare compatible framebuffer information block.
- * The VESA mode has to be 32-bit RGBA.
- */
- if (vesa->x_resolution && vesa->y_resolution) {
- gop = (struct efi_gop_info *)(base + EFI_GOP_INFO_OFFSET);
- gop->magic = EFI_GOP_INFO_MAGIC;
- gop->info.version = 0;
- gop->info.width = vesa->x_resolution;
- gop->info.height = vesa->y_resolution;
- gop->info.pixel_format = EFI_GOT_RGBA8;
- gop->info.pixels_per_scanline = vesa->bytes_per_scanline / 4;
- gop->fb_base = vesa->phys_base_ptr;
- gop->fb_size = vesa->bytes_per_scanline * vesa->y_resolution;
- }
-#endif
-
/*
* If the data at the load address is an elf image, then
* treat it like an elf image. Otherwise, assume that it is a
projects / oweals / u-boot.git / blobdiff