Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\bootparam_utils.h Create Date:2022-07-28 07:28:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:sanitize_boot_params

Proto:static void sanitize_boot_params(struct boot_params *boot_params)

Type:void

Parameter:

TypeParameterName
struct boot_params *boot_params
51  If 0x1ef Then
53  bp_base = boot_params
54  char * save_base = (char * ) & scratch
57  const struct boot_params_to_save to_save[] = {BOOT_PARAM_PRESERVE(screen_info), BOOT_PARAM_PRESERVE(apm_bios_info), BOOT_PARAM_PRESERVE(tboot_addr), BOOT_PARAM_PRESERVE(ist_info), BOOT_PARAM_PRESERVE(hd0_info), BOOT_PARAM_PRESERVE(hd1_info), BOOT_PARAM_PRESERVE(sys_desc_table), BOOT_PARAM_PRESERVE(olpc_ofw_header), BOOT_PARAM_PRESERVE(efi_info), BOOT_PARAM_PRESERVE(alt_mem_k), BOOT_PARAM_PRESERVE(scratch), BOOT_PARAM_PRESERVE(e820_entries), BOOT_PARAM_PRESERVE(eddbuf_entries), BOOT_PARAM_PRESERVE(edd_mbr_sig_buf_entries), BOOT_PARAM_PRESERVE(edd_mbr_sig_buffer), BOOT_PARAM_PRESERVE(secure_boot), BOOT_PARAM_PRESERVE(hdr), BOOT_PARAM_PRESERVE(e820_table), BOOT_PARAM_PRESERVE(eddbuf), }
79  memset( & scratch, 0, size of scratch )
81  When i < ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(to_save) cycle
82  memcpy(save_base + start, bp_base + start, len)
86  memcpy(boot_params, save_base, size of boot_params )
Caller
NameDescribe
i386_start_kernel