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Prepare core support for the iriver bootloader supporting ROM images

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11991 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2007-01-12 18:34:00 +00:00
parent 12ef310466
commit 0ea4d3197e
9 changed files with 180 additions and 56 deletions
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37
firmware/system.c
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@ -82,31 +82,44 @@ void cpu_idle_mode(bool on_off)
#endif /* HAVE_ADJUSTABLE_CPU_FREQ */
bool detect_flashed_rockbox(void)
{
#ifdef HAVE_FLASHED_ROCKBOX
struct flash_header hdr;
uint8_t *src = (uint8_t *)FLASH_ENTRYPOINT;
static bool detect_flash_header(uint8_t *addr)
{
#ifndef BOOTLOADER
int oldmode = system_memory_guard(MEMGUARD_NONE);
#endif
memcpy(&hdr, src, sizeof(struct flash_header));
struct flash_header hdr;
memcpy(&hdr, addr, sizeof(struct flash_header));
#ifndef BOOTLOADER
system_memory_guard(oldmode);
#endif
return hdr.magic == FLASH_MAGIC;
}
#endif
if (hdr.magic != FLASH_MAGIC)
return false;
return true;
bool detect_flashed_romimage(void)
{
#ifdef HAVE_FLASHED_ROCKBOX
return detect_flash_header((uint8_t *)FLASH_ROMIMAGE_ENTRY);
#else
return false;
#endif /* HAVE_FLASHED_ROCKBOX */
}
bool detect_flashed_ramimage(void)
{
#ifdef HAVE_FLASHED_ROCKBOX
return detect_flash_header((uint8_t *)FLASH_RAMIMAGE_ENTRY);
#else
return false;
#endif /* HAVE_FLASHED_ROCKBOX */
}
bool detect_original_firmware(void)
{
return !(detect_flashed_ramimage() || detect_flashed_romimage());
}
#if CONFIG_CPU == SH7034
#include "led.h"
#include "system.h"