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s390/ipl: read IPL report at early boot

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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>
This commit is contained in:
Martin Schwidefsky
2019-02-21 14:23:04 +01:00
parent d29af5b7a8
commit 9641b8cc73
10 changed files with 301 additions and 17 deletions
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20
arch/s390/boot/startup.c
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@@ -25,19 +25,16 @@ unsigned long mem_safe_offset(void)
}
#endif
static void rescue_initrd(void)
static void rescue_initrd(unsigned long addr)
{
unsigned long min_initrd_addr;
if (!IS_ENABLED(CONFIG_BLK_DEV_INITRD))
return;
if (!INITRD_START || !INITRD_SIZE)
return;
min_initrd_addr = mem_safe_offset();
if (min_initrd_addr <= INITRD_START)
if (addr <= INITRD_START)
return;
memmove((void *)min_initrd_addr, (void *)INITRD_START, INITRD_SIZE);
INITRD_START = min_initrd_addr;
memmove((void *)addr, (void *)INITRD_START, INITRD_SIZE);
INITRD_START = addr;
}
static void copy_bootdata(void)
@@ -52,12 +49,15 @@ static void copy_bootdata(void)
void startup_kernel(void)
{
unsigned long safe_addr;
void *img;
uv_query_info();
rescue_initrd();
sclp_early_read_info();
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();