load_image() doesn't malloc memory anymore, we must provide the buffer

This commit is contained in:
Laurent Vivier
2004-12-25 00:53:59 +00:00
parent 13bfc6ee2a
commit 208344ca0d
3 changed files with 35 additions and 38 deletions

View File

@@ -14,9 +14,9 @@
#ifdef SCSI_SUPPORT #ifdef SCSI_SUPPORT
#include "scsi.h" #include "scsi.h"
static char* load_container(struct emile_container* container, char* image)
static int load_container(struct emile_container* container, char* image)
{ {
char* base = image;
int target; int target;
int i; int i;
int err; int err;
@@ -31,20 +31,17 @@ static char* load_container(struct emile_container* container, char* image)
image, image,
container->block_size * container->blocks[i].count); container->block_size * container->blocks[i].count);
if (err != noErr) if (err != noErr)
{ return -1;
free(image);
return NULL;
}
image += container->block_size * container->blocks[i].count; image += container->block_size * container->blocks[i].count;
i++; i++;
} }
return base; return 0;
} }
#else /* SCSI_SUPPORT */ #else /* SCSI_SUPPORT */
static char* load_blocks(unsigned long offset, unsigned long size, char *image) static int load_blocks(unsigned long offset, unsigned long size, char *image)
{ {
int err; int err;
ParamBlockRec_t param_block; ParamBlockRec_t param_block;
@@ -60,30 +57,19 @@ static char* load_blocks(unsigned long offset, unsigned long size, char *image)
err = PBReadSync(&param_block); err = PBReadSync(&param_block);
if (err != noErr) if (err != noErr)
{ return -1;
free(image);
return NULL;
}
return image; return 0;
} }
#endif /* SCSI_SUPPORT */ #endif /* SCSI_SUPPORT */
char* load_image(unsigned long offset, unsigned long size) int load_image(unsigned long offset, unsigned long size, char *image)
{ {
char* image;
if (size == 0) if (size == 0)
return NULL; return -1;
image = malloc_contiguous(size + 4); if (image == NULL)
if (image == 0) return -1;
{
free(image);
return NULL;
}
image = (char*)(((unsigned long)image + 3) & 0xFFFFFFFC);
#ifdef SCSI_SUPPORT #ifdef SCSI_SUPPORT
return load_container((struct emile_container*)offset, image); return load_container((struct emile_container*)offset, image);

View File

@@ -4,4 +4,4 @@
* *
*/ */
extern char* load_image(unsigned long offset, unsigned long size); extern int load_image(unsigned long offset, unsigned long size, char *image);

View File

@@ -69,6 +69,8 @@ int start(emile_l2_header_t* info)
bank_dump(); bank_dump();
#endif #endif
printf("Available Memory: %ld kB\n", bank_mem_avail() / 1024);
if (info->gestaltID != 0) { if (info->gestaltID != 0) {
machine_id = info->gestaltID; machine_id = info->gestaltID;
printf("User forces gestalt ID to %ld\n", machine_id); printf("User forces gestalt ID to %ld\n", machine_id);
@@ -77,15 +79,20 @@ int start(emile_l2_header_t* info)
/* load kernel */ /* load kernel */
printf("vmlinux %s\n", info->command_line); printf("vmlinux %s\n", info->command_line);
printf("Loading kernel...\n");
#ifdef SCSI_SUPPORT #ifdef SCSI_SUPPORT
info->kernel_image_offset = (unsigned long)info->kernel_image_offset + (unsigned long)info; info->kernel_image_offset = (unsigned long)info->kernel_image_offset + (unsigned long)info;
#endif #endif
kernel_image_start = (unsigned long)load_image(
(unsigned long)info->kernel_image_offset,
info->kernel_image_size);
printf("Kernel image loaded at 0x%lx\n", kernel_image_start);
printf("Kernel image size is %d Bytes\n", info->kernel_image_size); printf("Kernel image size is %d Bytes\n", info->kernel_image_size);
kernel_image_start = (unsigned long)malloc_contiguous(
info->kernel_image_size + 4);
kernel_image_start = (kernel_image_start + 3) & 0xFFFFFFFC;
printf("Kernel image base at 0x%lx\n", kernel_image_start);
printf("Loading kernel...\n");
ret = load_image((unsigned long)info->kernel_image_offset,
info->kernel_image_size, (char*)kernel_image_start);
if (ret == -1)
error("Cannot load kernel image\n");
/* where is mapped my boot function ? */ /* where is mapped my boot function ? */
@@ -102,8 +109,6 @@ int start(emile_l2_header_t* info)
disable_cache = MMU030_disable_cache; disable_cache = MMU030_disable_cache;
} }
printf("Available Memory: %ld kB\n", bank_mem_avail() / 1024);
if (info->kernel_image_size == 0) if (info->kernel_image_size == 0)
error("Kernel is missing !!!!\n"); error("Kernel is missing !!!!\n");
else else
@@ -152,12 +157,18 @@ int start(emile_l2_header_t* info)
if (info->ramdisk_size != 0) if (info->ramdisk_size != 0)
{ {
printf("Loading RAMDISK...\n");
ramdisk_start = (unsigned long)load_image(
(unsigned long)info->ramdisk_offset,
info->ramdisk_size);
printf("RAMDISK loaded at 0x%lx\n", ramdisk_start);
printf("RAMDISK size is %d Bytes\n", info->ramdisk_size); printf("RAMDISK size is %d Bytes\n", info->ramdisk_size);
ramdisk_start = (unsigned long)malloc_contiguous(
info->ramdisk_size + 4);
ramdisk_start = (ramdisk_start + 3) & 0xFFFFFFFC;
printf("RAMDISK base at 0x%lx\n", ramdisk_start);
printf("Loading RAMDISK...\n");
ret = load_image((unsigned long)info->ramdisk_offset,
info->ramdisk_size, (char*)ramdisk_start);
if (ret == -1)
error("Cannot load ramdisk\n");
if (!check_full_in_bank(ramdisk_start, info->ramdisk_size)) if (!check_full_in_bank(ramdisk_start, info->ramdisk_size))
error("ramdisk between two banks, contact maintainer\n"); error("ramdisk between two banks, contact maintainer\n");
} }