mirror of
https://gitlab.com/qemu-project/openbios.git
synced 2024-02-13 08:34:06 +08:00
92f8310ff7
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk> git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@698 f158a5a8-5612-0410-a976-696ce0be7e32
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
|
|
*
|
|
*/
|
|
#undef BOOTSTRAP
|
|
#include "config.h"
|
|
#include "libopenbios/bindings.h"
|
|
#include "libopenbios/elfload.h"
|
|
#include "arch/common/nvram.h"
|
|
#include "drivers/drivers.h"
|
|
#include "libc/diskio.h"
|
|
#include "libc/vsprintf.h"
|
|
#include "libopenbios/sys_info.h"
|
|
#include "openprom.h"
|
|
#include "boot.h"
|
|
|
|
struct sys_info sys_info;
|
|
uint32_t kernel_image;
|
|
uint32_t kernel_size;
|
|
uint32_t qemu_cmdline;
|
|
uint32_t cmdline_size;
|
|
char boot_device;
|
|
|
|
static void try_path(const char *path, char *param, const void *romvec)
|
|
{
|
|
push_str(path);
|
|
fword("pathres-resolve-aliases");
|
|
bootpath = pop_fstr_copy();
|
|
printk("Trying %s (%s)\n", path, bootpath);
|
|
|
|
elf_load(&sys_info, path, param, romvec);
|
|
linux_load(&sys_info, path, param);
|
|
aout_load(&sys_info, path, romvec);
|
|
}
|
|
|
|
void boot(void)
|
|
{
|
|
char *path = pop_fstr_copy(), *param, altpath[256];
|
|
const char *oldpath = path;
|
|
int unit = 0;
|
|
const void *romvec;
|
|
|
|
if(!path) {
|
|
push_str("boot-device");
|
|
push_str("/options");
|
|
fword("(find-dev)");
|
|
POP();
|
|
fword("get-package-property");
|
|
if (!POP()) {
|
|
path = pop_fstr_copy();
|
|
} else {
|
|
switch (boot_device) {
|
|
case 'a':
|
|
path = strdup("/obio/SUNW,fdtwo");
|
|
oldpath = "fd()";
|
|
break;
|
|
case 'c':
|
|
path = strdup("disk");
|
|
oldpath = "sd(0,0,0):d";
|
|
break;
|
|
default:
|
|
case 'd':
|
|
path = strdup("cdrom");
|
|
// FIXME: hardcoding this looks almost definitely wrong.
|
|
// With sd(0,2,0):b we get to see the solaris kernel though
|
|
//oldpath = "sd(0,2,0):d";
|
|
oldpath = "sd(0,2,0):b";
|
|
unit = 2;
|
|
break;
|
|
case 'n':
|
|
path = strdup("net");
|
|
oldpath = "le()";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
obp_arg.boot_dev_ctrl = 0;
|
|
obp_arg.boot_dev_unit = unit;
|
|
obp_arg.dev_partition = 0;
|
|
obp_arg.boot_dev[0] = oldpath[0];
|
|
obp_arg.boot_dev[1] = oldpath[1];
|
|
obp_arg.argv[0] = oldpath;
|
|
obp_arg.argv[1] = (void *)(long)qemu_cmdline;
|
|
|
|
param = strchr(path, ' ');
|
|
if(param) {
|
|
*param = '\0';
|
|
param++;
|
|
} else if (cmdline_size) {
|
|
param = (char *)qemu_cmdline;
|
|
} else {
|
|
push_str("boot-args");
|
|
push_str("/options");
|
|
fword("(find-dev)");
|
|
POP();
|
|
fword("get-package-property");
|
|
POP();
|
|
param = pop_fstr_copy();
|
|
obp_arg.argv[1] = param;
|
|
}
|
|
|
|
romvec = init_openprom();
|
|
|
|
if (kernel_size) {
|
|
int (*entry)(const void *romvec_ptr, int p2, int p3, int p4, int p5);
|
|
|
|
printk("[sparc] Kernel already loaded\n");
|
|
entry = (void *) kernel_image;
|
|
entry(romvec, 0, 0, 0, 0);
|
|
}
|
|
|
|
printk("[sparc] Booting file '%s' ", path);
|
|
if (param)
|
|
printk("with parameters '%s'\n", param);
|
|
else
|
|
printk("without parameters.\n");
|
|
|
|
try_path(path, param, romvec);
|
|
|
|
push_str(path);
|
|
PUSH(':');
|
|
fword("left-split");
|
|
snprintf(altpath, sizeof(altpath), "%s:d", pop_fstr_copy());
|
|
POP();
|
|
POP();
|
|
|
|
try_path(altpath, param, romvec);
|
|
printk("Unsupported image format\n");
|
|
|
|
free(path);
|
|
}
|