projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 457c8996 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 1da177e4 LT |
2 | |
| 3 | /* | |
| 4 | * Linux logo to be displayed on boot | |
| 5 | * | |
| 6 | * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu) | |
| 7 | * Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| 8 | * Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au> | |
| 9 | * Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de> | |
| 10 | * Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org> | |
| 11 | */ | |
| 12 | ||
| 1da177e4 LT |
13 | #include <linux/linux_logo.h> |
| 14 | #include <linux/stddef.h> | |
| 15 | #include <linux/module.h> | |
| 16 | ||
| 17 | #ifdef CONFIG_M68K | |
| 18 | #include <asm/setup.h> | |
| 19 | #endif | |
| 20 | ||
| 90ab5ee9 | 21 | static bool nologo; |
| accaa24c RD |
22 | module_param(nologo, bool, 0); |
| 23 | MODULE_PARM_DESC(nologo, "Disables startup logo"); | |
| 24 | ||
| 92b004d1 TV |
25 | /* |
| 26 | * Logos are located in the initdata, and will be freed in kernel_init. | |
| 27 | * Use late_init to mark the logos as freed to prevent any further use. | |
| 28 | */ | |
| 29 | ||
| 30 | static bool logos_freed; | |
| 31 | ||
| 32 | static int __init fb_logo_late_init(void) | |
| 33 | { | |
| 34 | logos_freed = true; | |
| 35 | return 0; | |
| 36 | } | |
| 37 | ||
| 3fc4f2f9 | 38 | late_initcall_sync(fb_logo_late_init); |
| 92b004d1 | 39 | |
| bd721ea7 | 40 | /* logo's are marked __initdata. Use __ref to tell |
| 92cc6b07 SR |
41 | * modpost that it is intended that this function uses data |
| 42 | * marked __initdata. | |
| 43 | */ | |
| bd721ea7 | 44 | const struct linux_logo * __ref fb_find_logo(int depth) |
| 1da177e4 LT |
45 | { |
| 46 | const struct linux_logo *logo = NULL; | |
| 47 | ||
| 92b004d1 | 48 | if (nologo || logos_freed) |
| accaa24c RD |
49 | return NULL; |
| 50 | ||
| 1da177e4 LT |
51 | if (depth >= 1) { |
| 52 | #ifdef CONFIG_LOGO_LINUX_MONO | |
| 53 | /* Generic Linux logo */ | |
| 54 | logo = &logo_linux_mono; | |
| 55 | #endif | |
| 56 | #ifdef CONFIG_LOGO_SUPERH_MONO | |
| 57 | /* SuperH Linux logo */ | |
| 58 | logo = &logo_superh_mono; | |
| 59 | #endif | |
| 60 | } | |
| 61 | ||
| 62 | if (depth >= 4) { | |
| 63 | #ifdef CONFIG_LOGO_LINUX_VGA16 | |
| 64 | /* Generic Linux logo */ | |
| 65 | logo = &logo_linux_vga16; | |
| 66 | #endif | |
| 67 | #ifdef CONFIG_LOGO_SUPERH_VGA16 | |
| 68 | /* SuperH Linux logo */ | |
| 69 | logo = &logo_superh_vga16; | |
| 70 | #endif | |
| 71 | } | |
| 72 | ||
| 73 | if (depth >= 8) { | |
| 74 | #ifdef CONFIG_LOGO_LINUX_CLUT224 | |
| 75 | /* Generic Linux logo */ | |
| 76 | logo = &logo_linux_clut224; | |
| 77 | #endif | |
| 78 | #ifdef CONFIG_LOGO_DEC_CLUT224 | |
| 79 | /* DEC Linux logo on MIPS/MIPS64 or ALPHA */ | |
| 41702d9a | 80 | logo = &logo_dec_clut224; |
| 1da177e4 LT |
81 | #endif |
| 82 | #ifdef CONFIG_LOGO_MAC_CLUT224 | |
| 83 | /* Macintosh Linux logo on m68k */ | |
| 84 | if (MACH_IS_MAC) | |
| 85 | logo = &logo_mac_clut224; | |
| 86 | #endif | |
| 87 | #ifdef CONFIG_LOGO_PARISC_CLUT224 | |
| 88 | /* PA-RISC Linux logo */ | |
| 89 | logo = &logo_parisc_clut224; | |
| 90 | #endif | |
| 91 | #ifdef CONFIG_LOGO_SGI_CLUT224 | |
| c5f9ee3d | 92 | /* SGI Linux logo on MIPS/MIPS64 */ |
| 41702d9a | 93 | logo = &logo_sgi_clut224; |
| 1da177e4 LT |
94 | #endif |
| 95 | #ifdef CONFIG_LOGO_SUN_CLUT224 | |
| 96 | /* Sun Linux logo */ | |
| 97 | logo = &logo_sun_clut224; | |
| 98 | #endif | |
| 99 | #ifdef CONFIG_LOGO_SUPERH_CLUT224 | |
| 100 | /* SuperH Linux logo */ | |
| 101 | logo = &logo_superh_clut224; | |
| 102 | #endif | |
| 103 | } | |
| 104 | return logo; | |
| 105 | } | |
| 106 | EXPORT_SYMBOL_GPL(fb_find_logo); |