elf.c (839c4e9c5bb09ac1ef2c129c7082a15b9cbd3a8a) elf.c (447ae4f7adb2c667eec1e0861e2346694c57a2e0)
1/*
2 * Copyright (c) 2001 William L. Pitts
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are freely
6 * permitted provided that the above copyright notice and this
7 * paragraph and the following disclaimer are duplicated in all
8 * such forms.

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15
16#include <common.h>
17#include <command.h>
18#include <elf.h>
19#include <environment.h>
20#include <net.h>
21#include <vxworks.h>
22#ifdef CONFIG_X86
1/*
2 * Copyright (c) 2001 William L. Pitts
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are freely
6 * permitted provided that the above copyright notice and this
7 * paragraph and the following disclaimer are duplicated in all
8 * such forms.

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15
16#include <common.h>
17#include <command.h>
18#include <elf.h>
19#include <environment.h>
20#include <net.h>
21#include <vxworks.h>
22#ifdef CONFIG_X86
23#include <vbe.h>
23#include <asm/e820.h>
24#include <linux/linkage.h>
25#endif
26
27/*
28 * A very simple ELF64 loader, assumes the image is valid, returns the
29 * entry point address.
30 *

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249 char *bootline; /* Text of the bootline */
250 char *tmp; /* Temporary char pointer */
251 char build_buf[128]; /* Buffer for building the bootline */
252 int ptr = 0;
253#ifdef CONFIG_X86
254 ulong base;
255 struct e820_info *info;
256 struct e820_entry *data;
24#include <asm/e820.h>
25#include <linux/linkage.h>
26#endif
27
28/*
29 * A very simple ELF64 loader, assumes the image is valid, returns the
30 * entry point address.
31 *

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250 char *bootline; /* Text of the bootline */
251 char *tmp; /* Temporary char pointer */
252 char build_buf[128]; /* Buffer for building the bootline */
253 int ptr = 0;
254#ifdef CONFIG_X86
255 ulong base;
256 struct e820_info *info;
257 struct e820_entry *data;
258 struct efi_gop_info *gop;
259 struct vesa_mode_info *vesa = &mode_info.vesa;
257#endif
258
259 /*
260 * Check the loadaddr variable.
261 * If we don't know where the image is then we're done.
262 */
263 if (argc < 2)
264 addr = load_addr;

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392 E820_DATA_OFFSET;
393
394 /*
395 * Explicitly clear the bootloader image size otherwise if memory
396 * at this offset happens to contain some garbage data, the final
397 * available memory size for the kernel is insane.
398 */
399 *(u32 *)(base + BOOT_IMAGE_SIZE_OFFSET) = 0;
260#endif
261
262 /*
263 * Check the loadaddr variable.
264 * If we don't know where the image is then we're done.
265 */
266 if (argc < 2)
267 addr = load_addr;

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395 E820_DATA_OFFSET;
396
397 /*
398 * Explicitly clear the bootloader image size otherwise if memory
399 * at this offset happens to contain some garbage data, the final
400 * available memory size for the kernel is insane.
401 */
402 *(u32 *)(base + BOOT_IMAGE_SIZE_OFFSET) = 0;
403
404 /*
405 * Prepare compatible framebuffer information block.
406 * The VESA mode has to be 32-bit RGBA.
407 */
408 if (vesa->x_resolution && vesa->y_resolution) {
409 gop = (struct efi_gop_info *)(base + EFI_GOP_INFO_OFFSET);
410 gop->magic = EFI_GOP_INFO_MAGIC;
411 gop->info.version = 0;
412 gop->info.width = vesa->x_resolution;
413 gop->info.height = vesa->y_resolution;
414 gop->info.pixel_format = EFI_GOT_RGBA8;
415 gop->info.pixels_per_scanline = vesa->bytes_per_scanline / 4;
416 gop->fb_base = vesa->phys_base_ptr;
417 gop->fb_size = vesa->bytes_per_scanline * vesa->y_resolution;
418 }
400#endif
401
402 /*
403 * If the data at the load address is an elf image, then
404 * treat it like an elf image. Otherwise, assume that it is a
405 * binary image.
406 */
407 if (valid_elf_image(addr))

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420
421 /*
422 * If the data at the load address is an elf image, then
423 * treat it like an elf image. Otherwise, assume that it is a
424 * binary image.
425 */
426 if (valid_elf_image(addr))

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