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Searched refs:boot_params (Results 1 – 25 of 61) sorted by relevance

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/Linux-v4.19/arch/x86/include/asm/
Dbootparam_utils.h21 static void sanitize_boot_params(struct boot_params *boot_params) in sanitize_boot_params() argument
37 if (boot_params->sentinel) { in sanitize_boot_params()
39 memset(&boot_params->ext_ramdisk_image, 0, in sanitize_boot_params()
40 (char *)&boot_params->efi_info - in sanitize_boot_params()
41 (char *)&boot_params->ext_ramdisk_image); in sanitize_boot_params()
42 memset(&boot_params->kbd_status, 0, in sanitize_boot_params()
43 (char *)&boot_params->hdr - in sanitize_boot_params()
44 (char *)&boot_params->kbd_status); in sanitize_boot_params()
45 memset(&boot_params->_pad7[0], 0, in sanitize_boot_params()
46 (char *)&boot_params->edd_mbr_sig_buffer[0] - in sanitize_boot_params()
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Dmem_encrypt.h43 void __init sme_encrypt_kernel(struct boot_params *bp);
44 void __init sme_enable(struct boot_params *bp);
72 static inline void __init sme_encrypt_kernel(struct boot_params *bp) { } in sme_encrypt_kernel()
73 static inline void __init sme_enable(struct boot_params *bp) { } in sme_enable()
Dsetup.h70 extern struct boot_params boot_params;
75 return !!(boot_params.hdr.loadflags & KASLR_FLAG); in kaslr_enabled()
/Linux-v4.19/arch/x86/boot/
Dvideo-vesa.c179 boot_params.screen_info.red_size = dac_size; in vesa_dac_set_8bits()
180 boot_params.screen_info.green_size = dac_size; in vesa_dac_set_8bits()
181 boot_params.screen_info.blue_size = dac_size; in vesa_dac_set_8bits()
182 boot_params.screen_info.rsvd_size = dac_size; in vesa_dac_set_8bits()
184 boot_params.screen_info.red_pos = 0; in vesa_dac_set_8bits()
185 boot_params.screen_info.green_pos = 0; in vesa_dac_set_8bits()
186 boot_params.screen_info.blue_pos = 0; in vesa_dac_set_8bits()
187 boot_params.screen_info.rsvd_pos = 0; in vesa_dac_set_8bits()
202 boot_params.screen_info.vesapm_seg = oreg.es; in vesa_store_pm_info()
203 boot_params.screen_info.vesapm_off = oreg.di; in vesa_store_pm_info()
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Dmain.c19 struct boot_params boot_params __attribute__((aligned(16))); variable
39 BUILD_BUG_ON(sizeof boot_params != 4096); in copy_boot_params()
40 memcpy(&boot_params.hdr, &hdr, sizeof hdr); in copy_boot_params()
42 if (!boot_params.hdr.cmd_line_ptr && in copy_boot_params()
50 if (oldcmd->cl_offset < boot_params.hdr.setup_move_size) in copy_boot_params()
55 boot_params.hdr.cmd_line_ptr = in copy_boot_params()
72 boot_params.kbd_status = oreg.al; in keyboard_init()
95 boot_params.ist_info.signature = oreg.eax; in query_ist()
96 boot_params.ist_info.command = oreg.ebx; in query_ist()
97 boot_params.ist_info.event = oreg.ecx; in query_ist()
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Dapm.c47 boot_params.apm_bios_info.cseg = oreg.ax; in query_apm_bios()
48 boot_params.apm_bios_info.offset = oreg.ebx; in query_apm_bios()
49 boot_params.apm_bios_info.cseg_16 = oreg.cx; in query_apm_bios()
50 boot_params.apm_bios_info.dseg = oreg.dx; in query_apm_bios()
51 boot_params.apm_bios_info.cseg_len = oreg.si; in query_apm_bios()
52 boot_params.apm_bios_info.cseg_16_len = oreg.hsi; in query_apm_bios()
53 boot_params.apm_bios_info.dseg_len = oreg.di; in query_apm_bios()
71 boot_params.apm_bios_info.version = oreg.ax; in query_apm_bios()
72 boot_params.apm_bios_info.flags = oreg.cx; in query_apm_bios()
Dvideo.c32 boot_params.screen_info.orig_x = oreg.dl; in store_cursor_position()
33 boot_params.screen_info.orig_y = oreg.dh; in store_cursor_position()
36 boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR; in store_cursor_position()
39 boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR; in store_cursor_position()
53 boot_params.screen_info.orig_video_mode = oreg.al & 0x7f; in store_video_mode()
54 boot_params.screen_info.orig_video_page = oreg.bh; in store_video_mode()
76 if (boot_params.screen_info.orig_video_mode == 0x07) { in store_mode_params()
86 boot_params.screen_info.orig_video_points = font_size; in store_mode_params()
96 boot_params.screen_info.orig_video_cols = x; in store_mode_params()
97 boot_params.screen_info.orig_video_lines = y; in store_mode_params()
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Dmemory.c24 struct boot_e820_entry *desc = boot_params.e820_table; in detect_memory_e820()
69 } while (ireg.ebx && count < ARRAY_SIZE(boot_params.e820_table)); in detect_memory_e820()
71 return boot_params.e820_entries = count; in detect_memory_e820()
94 boot_params.alt_mem_k = (oreg.bx << 6) + oreg.ax; in detect_memory_e801()
103 boot_params.alt_mem_k = oreg.ax; in detect_memory_e801()
117 boot_params.screen_info.ext_mem_k = oreg.ax; in detect_memory_88()
Dedd.c59 if (!(boot_params.hdr.loadflags & CAN_USE_HEAP)) in read_mbr_sig()
61 if (mbrbuf_end > (char *)(size_t)boot_params.hdr.heap_end_ptr) in read_mbr_sig()
149 edp = boot_params.eddbuf; in query_edd()
150 mbrptr = boot_params.edd_mbr_sig_buffer; in query_edd()
168 && boot_params.eddbuf_entries < EDDMAXNR) { in query_edd()
171 boot_params.eddbuf_entries++; in query_edd()
175 boot_params.edd_mbr_sig_buf_entries = devno-0x80+1; in query_edd()
Dpm.c24 if (boot_params.hdr.realmode_swtch) { in realmode_switch_hook()
26 : : "m" (boot_params.hdr.realmode_swtch) in realmode_switch_hook()
124 protected_mode_jump(boot_params.hdr.code32_start, in go_to_protected_mode()
125 (u32)&boot_params + (ds() << 4)); in go_to_protected_mode()
Dvideo-bios.c52 if (new_mode != boot_params.screen_info.orig_video_mode) { in set_bios_mode()
56 ireg.ax = boot_params.screen_info.orig_video_mode; in set_bios_mode()
69 u8 saved_mode = boot_params.screen_info.orig_video_mode; in bios_probe()
/Linux-v4.19/arch/x86/boot/compressed/
Deboot.c130 static void setup_efi_pci(struct boot_params *params) in setup_efi_pci()
195 static void retrieve_apple_device_properties(struct boot_params *boot_params) in retrieve_apple_device_properties() argument
235 data = (struct setup_data *)(unsigned long)boot_params->hdr.setup_data; in retrieve_apple_device_properties()
237 boot_params->hdr.setup_data = (unsigned long)new; in retrieve_apple_device_properties()
247 static void setup_quirks(struct boot_params *boot_params) in setup_quirks() argument
254 retrieve_apple_device_properties(boot_params); in setup_quirks()
344 void setup_graphics(struct boot_params *boot_params) in setup_graphics() argument
354 si = &boot_params->screen_info; in setup_graphics()
382 struct boot_params *make_boot_params(struct efi_config *c) in make_boot_params()
384 struct boot_params *boot_params; in make_boot_params() local
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Dmisc.c47 struct boot_params *boot_params; variable
124 x = boot_params->screen_info.orig_x; in __putstr()
125 y = boot_params->screen_info.orig_y; in __putstr()
146 boot_params->screen_info.orig_x = x; in __putstr()
147 boot_params->screen_info.orig_y = y; in __putstr()
349 boot_params = rmode; in extract_kernel()
352 boot_params->hdr.loadflags &= ~KASLR_FLAG; in extract_kernel()
354 sanitize_boot_params(boot_params); in extract_kernel()
356 if (boot_params->screen_info.orig_video_mode == 7) { in extract_kernel()
364 lines = boot_params->screen_info.orig_video_lines; in extract_kernel()
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Dkaslr.c82 hash = rotate_xor(hash, boot_params, sizeof(*boot_params)); in get_boot_seed()
375 unsigned long init_size = boot_params->hdr.init_size; in mem_avoid_init()
390 initrd_start = (u64)boot_params->ext_ramdisk_image << 32; in mem_avoid_init()
391 initrd_start |= boot_params->hdr.ramdisk_image; in mem_avoid_init()
392 initrd_size = (u64)boot_params->ext_ramdisk_size << 32; in mem_avoid_init()
393 initrd_size |= boot_params->hdr.ramdisk_size; in mem_avoid_init()
399 cmd_line = (u64)boot_params->ext_cmd_line_ptr << 32; in mem_avoid_init()
400 cmd_line |= boot_params->hdr.cmd_line_ptr; in mem_avoid_init()
411 mem_avoid[MEM_AVOID_BOOTPARAMS].start = (unsigned long)boot_params; in mem_avoid_init()
412 mem_avoid[MEM_AVOID_BOOTPARAMS].size = sizeof(*boot_params); in mem_avoid_init()
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Dpgtable_64.c35 extern struct boot_params *boot_params;
62 for (i = boot_params->e820_entries - 1; i >= 0; i--) { in find_trampoline_placement()
63 entry = &boot_params->e820_table[i]; in find_trampoline_placement()
96 boot_params = rmode; in paging_prepare()
/Linux-v4.19/arch/x86/kernel/
Dsetup.c139 struct boot_params boot_params; variable
240 memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer, in copy_edd()
242 memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info)); in copy_edd()
243 edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries; in copy_edd()
244 edd.edd_info_nr = boot_params.eddbuf_entries; in copy_edd()
294 u64 ramdisk_image = boot_params.hdr.ramdisk_image; in get_ramdisk_image()
296 ramdisk_image |= (u64)boot_params.ext_ramdisk_image << 32; in get_ramdisk_image()
302 u64 ramdisk_size = boot_params.hdr.ramdisk_size; in get_ramdisk_size()
304 ramdisk_size |= (u64)boot_params.ext_ramdisk_size << 32; in get_ramdisk_size()
347 if (!boot_params.hdr.type_of_loader || in early_reserve_initrd()
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Dasm-offsets.c85 OFFSET(BP_scratch, boot_params, scratch); in common()
86 OFFSET(BP_secure_boot, boot_params, secure_boot); in common()
87 OFFSET(BP_loadflags, boot_params, hdr.loadflags); in common()
88 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); in common()
89 OFFSET(BP_version, boot_params, hdr.version); in common()
90 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); in common()
91 OFFSET(BP_init_size, boot_params, hdr.init_size); in common()
92 OFFSET(BP_pref_address, boot_params, hdr.pref_address); in common()
93 OFFSET(BP_code32_start, boot_params, hdr.code32_start); in common()
Dkexec-bzimage64.c57 static int setup_initrd(struct boot_params *params, in setup_initrd()
69 static int setup_cmdline(struct kimage *image, struct boot_params *params, in setup_cmdline()
99 static int setup_e820_entries(struct boot_params *params) in setup_e820_entries()
116 static int setup_efi_info_memmap(struct boot_params *params, in setup_efi_info_memmap()
138 prepare_add_efi_setup_data(struct boot_params *params, in prepare_add_efi_setup_data()
163 setup_efi_state(struct boot_params *params, unsigned long params_load_addr, in setup_efi_state()
167 struct efi_info *current_ei = &boot_params.efi_info; in setup_efi_state()
198 setup_boot_parameters(struct kimage *image, struct boot_params *params, in setup_boot_parameters()
208 params->hdr.hardware_subarch = boot_params.hdr.hardware_subarch; in setup_boot_parameters()
211 memcpy(&params->screen_info, &boot_params.screen_info, in setup_boot_parameters()
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Dhead64.c114 struct boot_params *bp) in __startup_64()
370 unsigned long cmd_line_ptr = boot_params.hdr.cmd_line_ptr; in get_cmd_line_ptr()
372 cmd_line_ptr |= (u64)boot_params.ext_cmd_line_ptr << 32; in get_cmd_line_ptr()
388 memcpy(&boot_params, real_mode_data, sizeof boot_params); in copy_bootdata()
389 sanitize_boot_params(&boot_params); in copy_bootdata()
457 if (!boot_params.hdr.version) in x86_64_start_reservations()
462 switch (boot_params.hdr.hardware_subarch) { in x86_64_start_reservations()
Dksysfs.c26 return sprintf(buf, "0x%04x\n", boot_params.hdr.version); in version_show()
35 memcpy(buf, (void *)&boot_params + off, count); in boot_params_data_read()
45 .size = sizeof(boot_params),
75 u64 pa_data = boot_params.hdr.setup_data; in get_setup_data_paddr()
97 u64 pa_data = boot_params.hdr.setup_data; in get_setup_data_size()
272 pa_data = boot_params.hdr.setup_data; in create_setup_data_nodes()
Dkdebugfs.c113 pa_data = boot_params.hdr.setup_data; in create_setup_data_nodes()
149 .data = &boot_params,
150 .size = sizeof(boot_params),
163 &boot_params.hdr.version); in boot_params_kdebugfs_init()
/Linux-v4.19/Documentation/ABI/testing/
Dsysfs-kernel-boot_params1 What: /sys/kernel/boot_params
4 Description: The /sys/kernel/boot_params directory contains two
9 If there's no setup_data in boot_params the subdirectory will
12 "data" file is the binary representation of struct boot_params.
18 structure in boot_params. setup_data is maintained in kernel
26 The whole boot_params directory structure is like below:
27 /sys/kernel/boot_params
/Linux-v4.19/arch/x86/platform/efi/
Dearly_printk.c34 base = boot_params.screen_info.lfb_base; in early_efi_map_fb()
35 size = boot_params.screen_info.lfb_size; in early_efi_map_fb()
51 base = boot_params.screen_info.lfb_base; in early_efi_map()
70 len = boot_params.screen_info.lfb_linelength; in early_efi_clear_scanline()
85 len = boot_params.screen_info.lfb_linelength; in early_efi_scroll_up()
86 height = boot_params.screen_info.lfb_height; in early_efi_scroll_up()
134 si = &boot_params.screen_info; in early_efi_write()
205 si = &boot_params.screen_info; in early_efi_setup()
/Linux-v4.19/arch/x86/xen/
Defi.c182 strncpy((char *)&boot_params.efi_info.efi_loader_signature, "Xen", in xen_efi_init()
183 sizeof(boot_params.efi_info.efi_loader_signature)); in xen_efi_init()
184 boot_params.efi_info.efi_systab = (__u32)__pa(efi_systab_xen); in xen_efi_init()
185 boot_params.efi_info.efi_systab_hi = (__u32)(__pa(efi_systab_xen) >> 32); in xen_efi_init()
187 boot_params.secure_boot = xen_efi_get_secureboot(); in xen_efi_init()
/Linux-v4.19/arch/x86/mm/
Dmem_encrypt.c141 struct boot_params *boot_data; in sme_unmap_bootdata()
148 boot_data = (struct boot_params *)real_mode_data; in sme_unmap_bootdata()
151 __sme_early_map_unmap_mem(real_mode_data, sizeof(boot_params), false); in sme_unmap_bootdata()
161 struct boot_params *boot_data; in sme_map_bootdata()
167 __sme_early_map_unmap_mem(real_mode_data, sizeof(boot_params), true); in sme_map_bootdata()
170 boot_data = (struct boot_params *)real_mode_data; in sme_map_bootdata()

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