+// 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 <log.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 elf loader, assumes the image is valid, returns the
- * entry point address.
- */
-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;
- 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 */
#ifdef CONFIG_X86
ulong base;
struct e820_info *info;
- struct e820entry *data;
+ struct e820_entry *data;
+ struct efi_gop_info *gop;
+ struct vesa_mode_info *vesa = &mode_info.vesa;
#endif
/*
* 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");
- } else {
+ return 1;
+#endif
+ }
+
+ if (!bootaddr)
bootaddr = simple_strtoul(tmp, NULL, 16);
- /*
- * Check to see if the bootline is defined in the 'bootargs'
- * parameter. If it is not defined, we may be able to
- * construct the info.
- */
- bootline = env_get("bootargs");
- if (bootline) {
- memcpy((void *)bootaddr, bootline,
- max(strlen(bootline), (size_t)255));
- flush_cache(bootaddr, max(strlen(bootline),
- (size_t)255));
+ /*
+ * Check to see if the bootline is defined in the 'bootargs' parameter.
+ * If it is not defined, we may be able to construct the info.
+ */
+ bootline = env_get("bootargs");
+ if (!bootline) {
+ tmp = env_get("bootdev");
+ if (tmp) {
+ strcpy(build_buf, tmp);
+ ptr = strlen(tmp);
} else {
- tmp = env_get("bootdev");
- if (tmp) {
- strcpy(build_buf, tmp);
- ptr = strlen(tmp);
- } else
- printf("## VxWorks boot device not specified\n");
+ printf("## VxWorks boot device not specified\n");
+ }
- tmp = env_get("bootfile");
- if (tmp)
- ptr += sprintf(build_buf + ptr,
- "host:%s ", tmp);
- else
- ptr += sprintf(build_buf + ptr,
- "host:vxWorks ");
+ tmp = env_get("bootfile");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "host:%s ", tmp);
+ else
+ ptr += sprintf(build_buf + ptr, "host:vxWorks ");
- /*
- * The following parameters are only needed if 'bootdev'
- * is an ethernet device, otherwise they are optional.
- */
- tmp = env_get("ipaddr");
+ /*
+ * The following parameters are only needed if 'bootdev'
+ * is an ethernet device, otherwise they are optional.
+ */
+ tmp = env_get("ipaddr");
+ if (tmp) {
+ ptr += sprintf(build_buf + ptr, "e=%s", tmp);
+ tmp = env_get("netmask");
if (tmp) {
- ptr += sprintf(build_buf + ptr, "e=%s", tmp);
- tmp = env_get("netmask");
- if (tmp) {
- u32 mask = env_get_ip("netmask").s_addr;
- ptr += sprintf(build_buf + ptr,
- ":%08x ", ntohl(mask));
- } else {
- ptr += sprintf(build_buf + ptr, " ");
- }
+ u32 mask = env_get_ip("netmask").s_addr;
+ ptr += sprintf(build_buf + ptr,
+ ":%08x ", ntohl(mask));
+ } else {
+ ptr += sprintf(build_buf + ptr, " ");
}
+ }
- tmp = env_get("serverip");
- if (tmp)
- ptr += sprintf(build_buf + ptr, "h=%s ", tmp);
+ tmp = env_get("serverip");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "h=%s ", tmp);
- tmp = env_get("gatewayip");
- if (tmp)
- ptr += sprintf(build_buf + ptr, "g=%s ", tmp);
+ tmp = env_get("gatewayip");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "g=%s ", tmp);
- tmp = env_get("hostname");
- if (tmp)
- ptr += sprintf(build_buf + ptr, "tn=%s ", tmp);
+ tmp = env_get("hostname");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "tn=%s ", tmp);
- tmp = env_get("othbootargs");
- if (tmp) {
- strcpy(build_buf + ptr, tmp);
- ptr += strlen(tmp);
- }
-
- memcpy((void *)bootaddr, build_buf,
- max(strlen(build_buf), (size_t)255));
- flush_cache(bootaddr, max(strlen(build_buf),
- (size_t)255));
+ tmp = env_get("othbootargs");
+ if (tmp) {
+ strcpy(build_buf + ptr, tmp);
+ ptr += strlen(tmp);
}
- printf("## Using bootline (@ 0x%lx): %s\n", bootaddr,
- (char *)bootaddr);
+ bootline = build_buf;
}
-#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 e820entry *)(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 e820entry) +
- 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;
-#endif
+ memcpy((void *)bootaddr, bootline, max(strlen(bootline), (size_t)255));
+ flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
+ printf("## Using bootline (@ 0x%lx): %s\n", bootaddr, (char *)bootaddr);
/*
* If the data at the load address is an elf image, then
projects / oweals / u-boot.git / blobdiff