mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 21:57:43 +00:00
9641b8cc73
Read the IPL Report block provided by secure-boot, add the entries of the certificate list to the system key ring and print the list of components. PR: Adjust to Vasilys bootdata_preserved patch set. Preserve ipl_cert_list for later use in kexec_file. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Philipp Rudo <prudo@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/string.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/sclp.h>
|
|
#include <asm/uv.h>
|
|
#include "compressed/decompressor.h"
|
|
#include "boot.h"
|
|
|
|
extern char __boot_data_start[], __boot_data_end[];
|
|
extern char __boot_data_preserved_start[], __boot_data_preserved_end[];
|
|
|
|
void error(char *x)
|
|
{
|
|
sclp_early_printk("\n\n");
|
|
sclp_early_printk(x);
|
|
sclp_early_printk("\n\n -- System halted");
|
|
|
|
disabled_wait(0xdeadbeef);
|
|
}
|
|
|
|
#ifdef CONFIG_KERNEL_UNCOMPRESSED
|
|
unsigned long mem_safe_offset(void)
|
|
{
|
|
return vmlinux.default_lma + vmlinux.image_size + vmlinux.bss_size;
|
|
}
|
|
#endif
|
|
|
|
static void rescue_initrd(unsigned long addr)
|
|
{
|
|
if (!IS_ENABLED(CONFIG_BLK_DEV_INITRD))
|
|
return;
|
|
if (!INITRD_START || !INITRD_SIZE)
|
|
return;
|
|
if (addr <= INITRD_START)
|
|
return;
|
|
memmove((void *)addr, (void *)INITRD_START, INITRD_SIZE);
|
|
INITRD_START = addr;
|
|
}
|
|
|
|
static void copy_bootdata(void)
|
|
{
|
|
if (__boot_data_end - __boot_data_start != vmlinux.bootdata_size)
|
|
error(".boot.data section size mismatch");
|
|
memcpy((void *)vmlinux.bootdata_off, __boot_data_start, vmlinux.bootdata_size);
|
|
if (__boot_data_preserved_end - __boot_data_preserved_start != vmlinux.bootdata_preserved_size)
|
|
error(".boot.preserved.data section size mismatch");
|
|
memcpy((void *)vmlinux.bootdata_preserved_off, __boot_data_preserved_start, vmlinux.bootdata_preserved_size);
|
|
}
|
|
|
|
void startup_kernel(void)
|
|
{
|
|
unsigned long safe_addr;
|
|
void *img;
|
|
|
|
store_ipl_parmblock();
|
|
safe_addr = mem_safe_offset();
|
|
safe_addr = read_ipl_report(safe_addr);
|
|
uv_query_info();
|
|
rescue_initrd(safe_addr);
|
|
sclp_early_read_info();
|
|
setup_boot_command_line();
|
|
parse_boot_command_line();
|
|
setup_memory_end();
|
|
detect_memory();
|
|
if (!IS_ENABLED(CONFIG_KERNEL_UNCOMPRESSED)) {
|
|
img = decompress_kernel();
|
|
memmove((void *)vmlinux.default_lma, img, vmlinux.image_size);
|
|
}
|
|
copy_bootdata();
|
|
vmlinux.entry();
|
|
}
|