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Move load_firmware() to separate file

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The idea is to share loading code between bootloaders and rolo().

Change-Id: I1656ed91946d7a05cb7c9fa7a16793c3c862a5cd
Reviewed-on: http://gerrit.rockbox.org/190
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
This commit is contained in:
Marcin Bukat 2012-03-04 15:34:29 +01:00
parent 46ea8bfe7c
commit 0b29691324
29 changed files with 727 additions and 608 deletions
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105
bootloader/common.c
View file

@ -35,6 +35,14 @@
#include "string.h"
#include "usb.h"
#include "file.h"
#include "loader_strerror.h"
#if defined(MI4_FORMAT)
#include "mi4-loader.h"
#elif defined(RKW_FORMAT)
#include "rkw-loader.h"
#else
#include "rb-loader.h"
#endif
/* TODO: Other bootloaders need to be adjusted to set this variable to true
on a button press - currently only the ipod, H10, Vibe 500 and Sansa versions do. */
@ -94,31 +102,6 @@ int printf(const char *format, ...)
return len;
}
char *strerror(int error)
{
switch(error)
{
case EOK:
return "OK";
case EFILE_NOT_FOUND:
return "File not found";
case EREAD_CHKSUM_FAILED:
return "Read failed (chksum)";
case EREAD_MODEL_FAILED:
return "Read failed (model)";
case EREAD_IMAGE_FAILED:
return "Read failed (image)";
case EBAD_CHKSUM:
return "Bad checksum";
case EFILE_TOO_BIG:
return "File too big";
case EINVALID_FORMAT:
return "Invalid file format";
default:
return "Unknown";
}
}
void error(int errortype, int error, bool shutdown)
{
switch(errortype)
@ -132,85 +115,17 @@ void error(int errortype, int error, bool shutdown)
break;
case EBOOTFILE:
printf(strerror(error));
printf(loader_strerror(error));
break;
}
lcd_update();
sleep(5*HZ);
if(shutdown)
power_off();
}
/* Load firmware image in a format created by tools/scramble */
int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
{
int fd;
int rc;
int len;
unsigned long chksum;
char model[5];
unsigned long sum;
int i;
char filename[MAX_PATH];
snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
fd = open(filename, O_RDONLY);
if(fd < 0)
{
snprintf(filename,sizeof(filename),"/%s",firmware);
fd = open(filename, O_RDONLY);
if(fd < 0)
return EFILE_NOT_FOUND;
}
len = filesize(fd) - 8;
printf("Length: %x", len);
if (len > buffer_size)
return EFILE_TOO_BIG;
lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
rc = read(fd, &chksum, 4);
chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
if(rc < 4)
return EREAD_CHKSUM_FAILED;
printf("Checksum: %x", chksum);
rc = read(fd, model, 4);
if(rc < 4)
return EREAD_MODEL_FAILED;
model[4] = '\0';
printf("Model name: %s", model);
printf("Loading %s", firmware);
lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
rc = read(fd, buf, len);
if(rc < len)
return EREAD_IMAGE_FAILED;
close(fd);
sum = MODEL_NUMBER;
for(i = 0;i < len;i++) {
sum += buf[i];
}
printf("Sum: %x", sum);
if(sum != chksum)
return EBAD_CHKSUM;
return EOK;
}
/* Load raw binary image. */
int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
{