147 lines
3.2 KiB
C
147 lines
3.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* PS3 bootwrapper support.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Sony Computer Entertainment Inc.
|
||
|
|
* Copyright 2007 Sony Corp.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include "types.h"
|
||
|
|
#include "elf.h"
|
||
|
|
#include "string.h"
|
||
|
|
#include "stdio.h"
|
||
|
|
#include "page.h"
|
||
|
|
#include "ops.h"
|
||
|
|
|
||
|
|
extern int lv1_panic(u64 in_1);
|
||
|
|
extern int lv1_get_logical_partition_id(u64 *out_1);
|
||
|
|
extern int lv1_get_logical_ppe_id(u64 *out_1);
|
||
|
|
extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3,
|
||
|
|
u64 in_4, u64 in_5, u64 *out_1, u64 *out_2);
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
#define DBG(fmt...) printf(fmt)
|
||
|
|
#else
|
||
|
|
static inline int __attribute__ ((format (printf, 1, 2))) DBG(
|
||
|
|
const char *fmt, ...) {return 0;}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
BSS_STACK(4096);
|
||
|
|
|
||
|
|
/* A buffer that may be edited by tools operating on a zImage binary so as to
|
||
|
|
* edit the command line passed to vmlinux (by setting /chosen/bootargs).
|
||
|
|
* The buffer is put in it's own section so that tools may locate it easier.
|
||
|
|
*/
|
||
|
|
|
||
|
|
static char cmdline[BOOT_COMMAND_LINE_SIZE]
|
||
|
|
__attribute__((__section__("__builtin_cmdline")));
|
||
|
|
|
||
|
|
static void prep_cmdline(void *chosen)
|
||
|
|
{
|
||
|
|
if (cmdline[0] == '\0')
|
||
|
|
getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
|
||
|
|
else
|
||
|
|
setprop_str(chosen, "bootargs", cmdline);
|
||
|
|
|
||
|
|
printf("cmdline: '%s'\n", cmdline);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ps3_console_write(const char *buf, int len)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ps3_exit(void)
|
||
|
|
{
|
||
|
|
printf("ps3_exit\n");
|
||
|
|
|
||
|
|
/* lv1_panic will shutdown the lpar. */
|
||
|
|
|
||
|
|
lv1_panic(0); /* zero = do not reboot */
|
||
|
|
while (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ps3_repository_read_rm_size(u64 *rm_size)
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
u64 lpar_id;
|
||
|
|
u64 ppe_id;
|
||
|
|
u64 v2;
|
||
|
|
|
||
|
|
result = lv1_get_logical_partition_id(&lpar_id);
|
||
|
|
|
||
|
|
if (result)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
result = lv1_get_logical_ppe_id(&ppe_id);
|
||
|
|
|
||
|
|
if (result)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* n1: 0000000062690000 : ....bi..
|
||
|
|
* n2: 7075000000000000 : pu......
|
||
|
|
* n3: 0000000000000001 : ........
|
||
|
|
* n4: 726d5f73697a6500 : rm_size.
|
||
|
|
*/
|
||
|
|
|
||
|
|
result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL,
|
||
|
|
0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size,
|
||
|
|
&v2);
|
||
|
|
|
||
|
|
printf("%s:%d: ppe_id %lu \n", __func__, __LINE__,
|
||
|
|
(unsigned long)ppe_id);
|
||
|
|
printf("%s:%d: lpar_id %lu \n", __func__, __LINE__,
|
||
|
|
(unsigned long)lpar_id);
|
||
|
|
printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size);
|
||
|
|
|
||
|
|
return result ? -1 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ps3_copy_vectors(void)
|
||
|
|
{
|
||
|
|
extern char __system_reset_kernel[];
|
||
|
|
|
||
|
|
memcpy((void *)0x100, __system_reset_kernel, 512);
|
||
|
|
flush_cache((void *)0x100, 512);
|
||
|
|
}
|
||
|
|
|
||
|
|
void platform_init(void)
|
||
|
|
{
|
||
|
|
const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
|
||
|
|
void *chosen;
|
||
|
|
unsigned long ft_addr;
|
||
|
|
u64 rm_size;
|
||
|
|
|
||
|
|
console_ops.write = ps3_console_write;
|
||
|
|
platform_ops.exit = ps3_exit;
|
||
|
|
|
||
|
|
printf("\n-- PS3 bootwrapper --\n");
|
||
|
|
|
||
|
|
simple_alloc_init(_end, heapsize, 32, 64);
|
||
|
|
fdt_init(_dtb_start);
|
||
|
|
|
||
|
|
chosen = finddevice("/chosen");
|
||
|
|
|
||
|
|
ps3_repository_read_rm_size(&rm_size);
|
||
|
|
dt_fixup_memory(0, rm_size);
|
||
|
|
|
||
|
|
if (_initrd_end > _initrd_start) {
|
||
|
|
setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start));
|
||
|
|
setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end));
|
||
|
|
}
|
||
|
|
|
||
|
|
prep_cmdline(chosen);
|
||
|
|
|
||
|
|
ft_addr = dt_ops.finalize();
|
||
|
|
|
||
|
|
ps3_copy_vectors();
|
||
|
|
|
||
|
|
printf(" flat tree at 0x%lx\n\r", ft_addr);
|
||
|
|
|
||
|
|
((kernel_entry_t)0)(ft_addr, 0, NULL);
|
||
|
|
|
||
|
|
ps3_exit();
|
||
|
|
}
|