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efi_loader: generated SMBIOS table below 4 GiB

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We currently use an outdated format 32-bit format for SMBIOS tables.
So we must allocate SMBIOS tables below 4 GiB.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2023-11-20 23:25:58 +01:00 committed by Tom Rini
parent e37e6f181e
commit 89cb3a9f0a
1 changed files with 9 additions and 7 deletions
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16
lib/efi_loader/efi_smbios.c
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@ -49,25 +49,27 @@ efi_status_t efi_smbios_register(void)
static int install_smbios_table(void)
{
ulong addr;
void *buf;
u64 addr;
efi_status_t ret;
if (!IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLE) || IS_ENABLED(CONFIG_X86))
return 0;
/* Align the table to a 4KB boundary to keep EFI happy */
buf = memalign(SZ_4K, TABLE_SIZE);
if (!buf)
addr = SZ_4G;
ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
EFI_RUNTIME_SERVICES_DATA,
efi_size_in_pages(TABLE_SIZE), &addr);
if (ret != EFI_SUCCESS)
return log_msg_ret("mem", -ENOMEM);
addr = map_to_sysmem(buf);
addr = map_to_sysmem((void *)(uintptr_t)addr);
if (!write_smbios_table(addr)) {
log_err("Failed to write SMBIOS table\n");
return log_msg_ret("smbios", -EINVAL);
}
/* Make a note of where we put it */
log_debug("SMBIOS tables written to %lx\n", addr);
log_debug("SMBIOS tables written to %llx\n", addr);
gd->arch.smbios_start = addr;
return 0;