mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-10 06:43:28 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* Copyright (c) 2011 The Chromium OS Authors.
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* Copyright (c) 2015 Sjoerd Simons <sjoerd.simons@collabora.co.uk>
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
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struct arm_z_header {
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uint32_t code[9];
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uint32_t zi_magic;
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uint32_t zi_start;
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uint32_t zi_end;
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} __attribute__ ((__packed__));
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int bootz_setup(ulong image, ulong *start, ulong *end)
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{
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uint8_t *zimage = map_sysmem(image, 0);
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struct arm_z_header *arm_hdr = (struct arm_z_header *)zimage;
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int ret = 0;
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if (memcmp(zimage + 0x202, "HdrS", 4) == 0) {
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uint8_t setup_sects = *(zimage + 0x1f1);
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uint32_t syssize =
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le32_to_cpu(*(uint32_t *)(zimage + 0x1f4));
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*start = 0;
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*end = (setup_sects + 1) * 512 + syssize * 16;
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printf("setting up X86 zImage [ %ld - %ld ]\n",
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*start, *end);
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} else if (le32_to_cpu(arm_hdr->zi_magic) == LINUX_ARM_ZIMAGE_MAGIC) {
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*start = le32_to_cpu(arm_hdr->zi_start);
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*end = le32_to_cpu(arm_hdr->zi_end);
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printf("setting up ARM zImage [ %ld - %ld ]\n",
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*start, *end);
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} else {
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printf("Unrecognized zImage\n");
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ret = 1;
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}
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unmap_sysmem((void *)image);
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return ret;
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}
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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{
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if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
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bootstage_mark(BOOTSTAGE_ID_RUN_OS);
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printf("## Transferring control to Linux (at address %08lx)...\n",
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images->ep);
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printf("sandbox: continuing, as we cannot run Linux\n");
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}
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return 0;
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}
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