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efi_loader: generated SMBIOS table below 4 GiB
We currently use an outdated format 32-bit format for SMBIOS tables.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>
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1 changed files with 9 additions and 7 deletions
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@ -49,25 +49,27 @@ efi_status_t efi_smbios_register(void)
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static int install_smbios_table(void)
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{
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ulong addr;
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void *buf;
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u64 addr;
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efi_status_t ret;
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if (!IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLE) || IS_ENABLED(CONFIG_X86))
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return 0;
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/* Align the table to a 4KB boundary to keep EFI happy */
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buf = memalign(SZ_4K, TABLE_SIZE);
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if (!buf)
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addr = SZ_4G;
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ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
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EFI_RUNTIME_SERVICES_DATA,
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efi_size_in_pages(TABLE_SIZE), &addr);
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if (ret != EFI_SUCCESS)
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return log_msg_ret("mem", -ENOMEM);
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addr = map_to_sysmem(buf);
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addr = map_to_sysmem((void *)(uintptr_t)addr);
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if (!write_smbios_table(addr)) {
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log_err("Failed to write SMBIOS table\n");
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return log_msg_ret("smbios", -EINVAL);
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}
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/* Make a note of where we put it */
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log_debug("SMBIOS tables written to %lx\n", addr);
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log_debug("SMBIOS tables written to %llx\n", addr);
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gd->arch.smbios_start = addr;
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return 0;
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