#include <common.h>
#include <command.h>
#include <elf.h>
+#include <environment.h>
#include <net.h>
#include <vxworks.h>
#ifdef CONFIG_X86
+#include <vbe.h>
#include <asm/e820.h>
#include <linux/linkage.h>
#endif
/*
- * A very simple elf loader, assumes the image is valid, returns the
+ * 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)
{
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)
char build_buf[128]; /* Buffer for building the bootline */
int ptr = 0;
#ifdef CONFIG_X86
- struct e820info *info;
- struct e820entry *data;
+ ulong base;
+ struct e820_info *info;
+ struct e820_entry *data;
+ struct efi_gop_info *gop;
+ struct vesa_mode_info *vesa = &mode_info.vesa;
#endif
/*
* from the VxWorks BSP header files.
* This will vary from board to board
*/
-#if defined(CONFIG_WALNUT)
- tmp = (char *)CONFIG_SYS_NVRAM_BASE_ADDR + 0x500;
- eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
- memcpy(tmp, &build_buf[3], 3);
-#elif defined(CONFIG_SYS_VXWORKS_MAC_PTR)
+#if defined(CONFIG_SYS_VXWORKS_MAC_PTR)
tmp = (char *)CONFIG_SYS_VXWORKS_MAC_PTR;
- eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
+ eth_env_get_enetaddr("ethaddr", (uchar *)build_buf);
memcpy(tmp, build_buf, 6);
#else
puts("## Ethernet MAC address not copied to NV RAM\n");
ptr += sprintf(build_buf + ptr, "e=%s", tmp);
tmp = env_get("netmask");
if (tmp) {
- u32 mask = getenv_ip("netmask").s_addr;
+ u32 mask = env_get_ip("netmask").s_addr;
ptr += sprintf(build_buf + ptr,
":%08x ", ntohl(mask));
} else {
#ifdef CONFIG_X86
/*
- * Since E820 information is critical to the kernel, if we don't
- * specify these in the environments, use a default one.
+ * Get VxWorks's physical memory base address from environment,
+ * if we don't specify it in the environment, use a default one.
*/
- tmp = env_get("e820data");
- if (tmp)
- data = (struct e820entry *)simple_strtoul(tmp, NULL, 16);
- else
- data = (struct e820entry *)VXWORKS_E820_DATA_ADDR;
- tmp = env_get("e820info");
- if (tmp)
- info = (struct e820info *)simple_strtoul(tmp, NULL, 16);
- else
- info = (struct e820info *)VXWORKS_E820_INFO_ADDR;
+ 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 e820info));
+ 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) +
- VXWORKS_E820_DATA_ADDR;
+ 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
/*
* binary image.
*/
if (valid_elf_image(addr))
- addr = load_elf_image_shdr(addr);
+ addr = load_elf_image_phdr(addr);
else
puts("## Not an ELF image, assuming binary\n");
printf("## Starting vxWorks at 0x%08lx ...\n", addr);
dcache_disable();
+#if defined(CONFIG_ARM64) && defined(CONFIG_ARMV8_PSCI)
+ armv8_setup_psci();
+ smp_kick_all_cpus();
+#endif
+
#ifdef CONFIG_X86
/* VxWorks on x86 uses stack to pass parameters */
((asmlinkage void (*)(int))addr)(0);
projects / u-boot / blobdiff