net: assign maintainer for include/net.h
[oweals/u-boot.git] / cmd / elf.c
index 7e710c931702e90c3c97a205120cc48cf5c5affd..d883be41931deea96e5a2be3fac3fb7ce4614ae6 100644 (file)
--- a/cmd/elf.c
+++ b/cmd/elf.c
@@ -53,10 +53,87 @@ static unsigned long load_elf64_image_phdr(unsigned long addr)
                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);
+               flush_cache(rounddown((unsigned long)dst, ARCH_DMA_MINALIGN),
+                           roundup(phdr->p_memsz, ARCH_DMA_MINALIGN));
                ++phdr;
        }
 
+       if (ehdr->e_machine == EM_PPC64 && (ehdr->e_flags &
+                                           EF_PPC64_ELFV1_ABI)) {
+               /*
+                * For the 64-bit PowerPC ELF V1 ABI, e_entry is a function
+                * descriptor pointer with the first double word being the
+                * address of the entry point of the function.
+                */
+               uintptr_t addr = ehdr->e_entry;
+
+               return *(Elf64_Addr *)addr;
+       }
+
+       return ehdr->e_entry;
+}
+
+static unsigned long load_elf64_image_shdr(unsigned long addr)
+{
+       Elf64_Ehdr *ehdr; /* Elf header structure pointer */
+       Elf64_Shdr *shdr; /* Section header structure pointer */
+       unsigned char *strtab = 0; /* String table pointer */
+       unsigned char *image; /* Binary image pointer */
+       int i; /* Loop counter */
+
+       ehdr = (Elf64_Ehdr *)addr;
+
+       /* Find the section header string table for output info */
+       shdr = (Elf64_Shdr *)(addr + (ulong)ehdr->e_shoff +
+                            (ehdr->e_shstrndx * sizeof(Elf64_Shdr)));
+
+       if (shdr->sh_type == SHT_STRTAB)
+               strtab = (unsigned char *)(addr + (ulong)shdr->sh_offset);
+
+       /* Load each appropriate section */
+       for (i = 0; i < ehdr->e_shnum; ++i) {
+               shdr = (Elf64_Shdr *)(addr + (ulong)ehdr->e_shoff +
+                                    (i * sizeof(Elf64_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 + (ulong)shdr->sh_offset;
+                       memcpy((void *)(uintptr_t)shdr->sh_addr,
+                              (const void *)image, shdr->sh_size);
+               }
+               flush_cache(rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN),
+                           roundup((shdr->sh_addr + shdr->sh_size),
+                                    ARCH_DMA_MINALIGN) -
+                                   rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN));
+       }
+
+       if (ehdr->e_machine == EM_PPC64 && (ehdr->e_flags &
+                                           EF_PPC64_ELFV1_ABI)) {
+               /*
+                * For the 64-bit PowerPC ELF V1 ABI, e_entry is a function
+                * descriptor pointer with the first double word being the
+                * address of the entry point of the function.
+                */
+               uintptr_t addr = ehdr->e_entry;
+
+               return *(Elf64_Addr *)addr;
+       }
+
        return ehdr->e_entry;
 }
 
@@ -91,7 +168,8 @@ static unsigned long load_elf_image_phdr(unsigned long addr)
                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);
+               flush_cache(rounddown((unsigned long)dst, ARCH_DMA_MINALIGN),
+                           roundup(phdr->p_memsz, ARCH_DMA_MINALIGN));
                ++phdr;
        }
 
@@ -107,6 +185,8 @@ static unsigned long load_elf_image_shdr(unsigned long addr)
        int i; /* Loop counter */
 
        ehdr = (Elf32_Ehdr *)addr;
+       if (ehdr->e_ident[EI_CLASS] == ELFCLASS64)
+               return load_elf64_image_shdr(addr);
 
        /* Find the section header string table for output info */
        shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
@@ -141,7 +221,10 @@ static unsigned long load_elf_image_shdr(unsigned long addr)
                        memcpy((void *)(uintptr_t)shdr->sh_addr,
                               (const void *)image, shdr->sh_size);
                }
-               flush_cache(shdr->sh_addr, shdr->sh_size);
+               flush_cache(rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN),
+                           roundup((shdr->sh_addr + shdr->sh_size),
+                                   ARCH_DMA_MINALIGN) -
+                           rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN));
        }
 
        return ehdr->e_entry;
@@ -246,7 +329,7 @@ int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 int do_bootvx(cmd_tbl_t *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 */
@@ -295,6 +378,45 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        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
@@ -303,11 +425,16 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
         */
        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.
@@ -371,45 +498,6 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        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