efifdt.c revision 1.15.2.3
1 1.15.2.3 martin /* $NetBSD: efifdt.c,v 1.15.2.3 2020/04/13 08:05:19 martin Exp $ */ 2 1.15.2.2 christos 3 1.15.2.2 christos /*- 4 1.15.2.2 christos * Copyright (c) 2019 Jason R. Thorpe 5 1.15.2.2 christos * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca> 6 1.15.2.2 christos * All rights reserved. 7 1.15.2.2 christos * 8 1.15.2.2 christos * Redistribution and use in source and binary forms, with or without 9 1.15.2.2 christos * modification, are permitted provided that the following conditions 10 1.15.2.2 christos * are met: 11 1.15.2.2 christos * 1. Redistributions of source code must retain the above copyright 12 1.15.2.2 christos * notice, this list of conditions and the following disclaimer. 13 1.15.2.2 christos * 2. Redistributions in binary form must reproduce the above copyright 14 1.15.2.2 christos * notice, this list of conditions and the following disclaimer in the 15 1.15.2.2 christos * documentation and/or other materials provided with the distribution. 16 1.15.2.2 christos * 17 1.15.2.2 christos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 1.15.2.2 christos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 1.15.2.2 christos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 1.15.2.2 christos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 1.15.2.2 christos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.15.2.2 christos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 1.15.2.2 christos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.15.2.2 christos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.15.2.2 christos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.15.2.2 christos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.15.2.2 christos * SUCH DAMAGE. 28 1.15.2.2 christos */ 29 1.15.2.2 christos 30 1.15.2.2 christos #include "efiboot.h" 31 1.15.2.2 christos #include "efifdt.h" 32 1.15.2.2 christos #include "efiblock.h" 33 1.15.2.2 christos 34 1.15.2.2 christos #include <libfdt.h> 35 1.15.2.2 christos 36 1.15.2.2 christos #define FDT_TABLE_GUID \ 37 1.15.2.2 christos { 0xb1b621d5, 0xf19c, 0x41a5, { 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 } } 38 1.15.2.2 christos static EFI_GUID FdtTableGuid = FDT_TABLE_GUID; 39 1.15.2.2 christos 40 1.15.2.2 christos #define FDT_MEMORY_NODE_PATH "/memory" 41 1.15.2.2 christos #define FDT_MEMORY_NODE_NAME "memory" 42 1.15.2.2 christos #define FDT_CHOSEN_NODE_PATH "/chosen" 43 1.15.2.2 christos #define FDT_CHOSEN_NODE_NAME "chosen" 44 1.15.2.2 christos 45 1.15.2.2 christos #define FDT_MEMORY_USABLE(_md) \ 46 1.15.2.2 christos ((_md)->Type == EfiLoaderCode || (_md)->Type == EfiLoaderData || \ 47 1.15.2.2 christos (_md)->Type == EfiBootServicesCode || (_md)->Type == EfiBootServicesData || \ 48 1.15.2.2 christos (_md)->Type == EfiConventionalMemory) 49 1.15.2.2 christos 50 1.15.2.3 martin #ifdef _LP64 51 1.15.2.3 martin #define PRIdUINTN "ld" 52 1.15.2.3 martin #define PRIxUINTN "lx" 53 1.15.2.3 martin #else 54 1.15.2.3 martin #define PRIdUINTN "d" 55 1.15.2.3 martin #define PRIxUINTN "x" 56 1.15.2.3 martin #endif 57 1.15.2.2 christos static void *fdt_data = NULL; 58 1.15.2.2 christos 59 1.15.2.2 christos int 60 1.15.2.2 christos efi_fdt_probe(void) 61 1.15.2.2 christos { 62 1.15.2.2 christos EFI_STATUS status; 63 1.15.2.2 christos 64 1.15.2.2 christos status = LibGetSystemConfigurationTable(&FdtTableGuid, &fdt_data); 65 1.15.2.2 christos if (EFI_ERROR(status)) 66 1.15.2.2 christos return EIO; 67 1.15.2.2 christos 68 1.15.2.2 christos if (fdt_check_header(fdt_data) != 0) { 69 1.15.2.2 christos fdt_data = NULL; 70 1.15.2.2 christos return EINVAL; 71 1.15.2.2 christos } 72 1.15.2.2 christos 73 1.15.2.2 christos return 0; 74 1.15.2.2 christos } 75 1.15.2.2 christos 76 1.15.2.2 christos int 77 1.15.2.2 christos efi_fdt_set_data(void *data) 78 1.15.2.2 christos { 79 1.15.2.2 christos if (fdt_check_header(data) != 0) 80 1.15.2.2 christos return EINVAL; 81 1.15.2.2 christos 82 1.15.2.2 christos fdt_data = data; 83 1.15.2.2 christos return 0; 84 1.15.2.2 christos } 85 1.15.2.2 christos 86 1.15.2.2 christos void * 87 1.15.2.2 christos efi_fdt_data(void) 88 1.15.2.2 christos { 89 1.15.2.2 christos return fdt_data; 90 1.15.2.2 christos } 91 1.15.2.2 christos 92 1.15.2.2 christos int 93 1.15.2.2 christos efi_fdt_size(void) 94 1.15.2.2 christos { 95 1.15.2.2 christos return fdt_data == NULL ? 0 : fdt_totalsize(fdt_data); 96 1.15.2.2 christos } 97 1.15.2.2 christos 98 1.15.2.2 christos bool 99 1.15.2.2 christos efi_fdt_overlay_is_compatible(void *dtbo) 100 1.15.2.2 christos { 101 1.15.2.2 christos const int system_root = fdt_path_offset(fdt_data, "/"); 102 1.15.2.2 christos const int overlay_root = fdt_path_offset(dtbo, "/"); 103 1.15.2.2 christos 104 1.15.2.2 christos if (system_root < 0 || overlay_root < 0) 105 1.15.2.2 christos return false; 106 1.15.2.2 christos 107 1.15.2.2 christos const int system_ncompat = fdt_stringlist_count(fdt_data, system_root, 108 1.15.2.2 christos "compatible"); 109 1.15.2.2 christos const int overlay_ncompat = fdt_stringlist_count(dtbo, overlay_root, 110 1.15.2.2 christos "compatible"); 111 1.15.2.2 christos 112 1.15.2.2 christos if (system_ncompat <= 0 || overlay_ncompat <= 0) 113 1.15.2.2 christos return false; 114 1.15.2.2 christos 115 1.15.2.2 christos const char *system_compatible, *overlay_compatible; 116 1.15.2.2 christos int si, oi; 117 1.15.2.2 christos 118 1.15.2.2 christos for (si = 0; si < system_ncompat; si++) { 119 1.15.2.2 christos system_compatible = fdt_stringlist_get(fdt_data, 120 1.15.2.2 christos system_root, "compatible", si, NULL); 121 1.15.2.2 christos if (system_compatible == NULL) 122 1.15.2.2 christos continue; 123 1.15.2.2 christos for (oi = 0; oi < overlay_ncompat; oi++) { 124 1.15.2.2 christos overlay_compatible = fdt_stringlist_get(dtbo, 125 1.15.2.2 christos overlay_root, "compatible", oi, NULL); 126 1.15.2.2 christos if (overlay_compatible == NULL) 127 1.15.2.2 christos continue; 128 1.15.2.2 christos if (strcmp(system_compatible, overlay_compatible) == 0) 129 1.15.2.2 christos return true; 130 1.15.2.2 christos } 131 1.15.2.2 christos } 132 1.15.2.2 christos 133 1.15.2.2 christos return false; 134 1.15.2.2 christos } 135 1.15.2.2 christos 136 1.15.2.2 christos int 137 1.15.2.2 christos efi_fdt_overlay_apply(void *dtbo, int *fdterr) 138 1.15.2.2 christos { 139 1.15.2.2 christos int err = fdt_overlay_apply(fdt_data, dtbo); 140 1.15.2.2 christos if (fdterr) 141 1.15.2.2 christos *fdterr = err; 142 1.15.2.2 christos return err == 0 ? 0 : EIO; 143 1.15.2.2 christos } 144 1.15.2.2 christos 145 1.15.2.2 christos void 146 1.15.2.2 christos efi_fdt_init(u_long addr, u_long len) 147 1.15.2.2 christos { 148 1.15.2.2 christos int error; 149 1.15.2.2 christos 150 1.15.2.2 christos error = fdt_open_into(fdt_data, (void *)addr, len); 151 1.15.2.2 christos if (error < 0) 152 1.15.2.2 christos panic("fdt_open_into failed: %d", error); 153 1.15.2.2 christos 154 1.15.2.2 christos fdt_data = (void *)addr; 155 1.15.2.2 christos } 156 1.15.2.2 christos 157 1.15.2.2 christos void 158 1.15.2.2 christos efi_fdt_fini(void) 159 1.15.2.2 christos { 160 1.15.2.2 christos int error; 161 1.15.2.2 christos 162 1.15.2.2 christos error = fdt_pack(fdt_data); 163 1.15.2.2 christos if (error < 0) 164 1.15.2.2 christos panic("fdt_pack failed: %d", error); 165 1.15.2.2 christos } 166 1.15.2.2 christos 167 1.15.2.2 christos void 168 1.15.2.2 christos efi_fdt_show(void) 169 1.15.2.2 christos { 170 1.15.2.2 christos const char *model, *compat; 171 1.15.2.2 christos int n, ncompat; 172 1.15.2.2 christos 173 1.15.2.2 christos if (fdt_data == NULL) 174 1.15.2.2 christos return; 175 1.15.2.2 christos 176 1.15.2.2 christos model = fdt_getprop(fdt_data, fdt_path_offset(fdt_data, "/"), "model", NULL); 177 1.15.2.2 christos if (model) 178 1.15.2.2 christos printf("FDT: %s [", model); 179 1.15.2.2 christos ncompat = fdt_stringlist_count(fdt_data, fdt_path_offset(fdt_data, "/"), "compatible"); 180 1.15.2.2 christos for (n = 0; n < ncompat; n++) { 181 1.15.2.2 christos compat = fdt_stringlist_get(fdt_data, fdt_path_offset(fdt_data, "/"), 182 1.15.2.2 christos "compatible", n, NULL); 183 1.15.2.2 christos printf("%s%s", n == 0 ? "" : ", ", compat); 184 1.15.2.2 christos } 185 1.15.2.2 christos printf("]\n"); 186 1.15.2.2 christos } 187 1.15.2.2 christos 188 1.15.2.2 christos void 189 1.15.2.2 christos efi_fdt_memory_map(void) 190 1.15.2.2 christos { 191 1.15.2.2 christos UINTN nentries = 0, mapkey, descsize; 192 1.15.2.2 christos EFI_MEMORY_DESCRIPTOR *md, *memmap; 193 1.15.2.2 christos UINT32 descver; 194 1.15.2.2 christos UINT64 phys_start, phys_size; 195 1.15.2.3 martin int n, memory, chosen; 196 1.15.2.2 christos 197 1.15.2.2 christos memory = fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH); 198 1.15.2.2 christos if (memory < 0) 199 1.15.2.2 christos memory = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/"), FDT_MEMORY_NODE_NAME); 200 1.15.2.2 christos if (memory < 0) 201 1.15.2.2 christos panic("FDT: Failed to create " FDT_MEMORY_NODE_PATH " node"); 202 1.15.2.2 christos 203 1.15.2.3 martin chosen = fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH); 204 1.15.2.3 martin if (chosen < 0) 205 1.15.2.3 martin chosen = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/"), FDT_CHOSEN_NODE_NAME); 206 1.15.2.3 martin if (chosen < 0) 207 1.15.2.3 martin panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node"); 208 1.15.2.3 martin 209 1.15.2.2 christos fdt_delprop(fdt_data, memory, "reg"); 210 1.15.2.2 christos 211 1.15.2.2 christos const int address_cells = fdt_address_cells(fdt_data, fdt_path_offset(fdt_data, "/")); 212 1.15.2.2 christos const int size_cells = fdt_size_cells(fdt_data, fdt_path_offset(fdt_data, "/")); 213 1.15.2.2 christos 214 1.15.2.2 christos memmap = LibMemoryMap(&nentries, &mapkey, &descsize, &descver); 215 1.15.2.2 christos for (n = 0, md = memmap; n < nentries; n++, md = NextMemoryDescriptor(md, descsize)) { 216 1.15.2.3 martin fdt_appendprop_u32(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "netbsd,uefi-memmap", md->Type); 217 1.15.2.3 martin fdt_appendprop_u64(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "netbsd,uefi-memmap", md->PhysicalStart); 218 1.15.2.3 martin fdt_appendprop_u64(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "netbsd,uefi-memmap", md->NumberOfPages); 219 1.15.2.3 martin fdt_appendprop_u64(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "netbsd,uefi-memmap", md->Attribute); 220 1.15.2.3 martin 221 1.15.2.2 christos if ((md->Attribute & EFI_MEMORY_RUNTIME) != 0) 222 1.15.2.2 christos continue; 223 1.15.2.3 martin 224 1.15.2.2 christos if ((md->Attribute & EFI_MEMORY_WB) == 0) 225 1.15.2.2 christos continue; 226 1.15.2.2 christos if (!FDT_MEMORY_USABLE(md)) 227 1.15.2.2 christos continue; 228 1.15.2.2 christos if ((address_cells == 1 || size_cells == 1) && md->PhysicalStart + (md->NumberOfPages * EFI_PAGE_SIZE) > 0xffffffff) 229 1.15.2.2 christos continue; 230 1.15.2.2 christos if (md->NumberOfPages <= 1) 231 1.15.2.2 christos continue; 232 1.15.2.2 christos 233 1.15.2.2 christos phys_start = md->PhysicalStart; 234 1.15.2.2 christos phys_size = md->NumberOfPages * EFI_PAGE_SIZE; 235 1.15.2.2 christos 236 1.15.2.2 christos if (phys_start & EFI_PAGE_MASK) { 237 1.15.2.2 christos /* UEFI spec says these should be 4KB aligned, but U-Boot doesn't always.. */ 238 1.15.2.2 christos phys_start = (phys_start + EFI_PAGE_SIZE) & ~EFI_PAGE_MASK; 239 1.15.2.2 christos phys_size -= (EFI_PAGE_SIZE * 2); 240 1.15.2.2 christos if (phys_size == 0) 241 1.15.2.2 christos continue; 242 1.15.2.2 christos } 243 1.15.2.2 christos 244 1.15.2.2 christos if (address_cells == 1) 245 1.15.2.2 christos fdt_appendprop_u32(fdt_data, fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH), 246 1.15.2.2 christos "reg", (uint32_t)phys_start); 247 1.15.2.2 christos else 248 1.15.2.2 christos fdt_appendprop_u64(fdt_data, fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH), 249 1.15.2.2 christos "reg", phys_start); 250 1.15.2.2 christos 251 1.15.2.2 christos if (size_cells == 1) 252 1.15.2.2 christos fdt_appendprop_u32(fdt_data, fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH), 253 1.15.2.2 christos "reg", (uint32_t)phys_size); 254 1.15.2.2 christos else 255 1.15.2.2 christos fdt_appendprop_u64(fdt_data, fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH), 256 1.15.2.2 christos "reg", phys_size); 257 1.15.2.2 christos } 258 1.15.2.2 christos } 259 1.15.2.2 christos 260 1.15.2.2 christos void 261 1.15.2.3 martin efi_fdt_gop(void) 262 1.15.2.3 martin { 263 1.15.2.3 martin EFI_STATUS status; 264 1.15.2.3 martin EFI_GRAPHICS_OUTPUT_PROTOCOL *gop; 265 1.15.2.3 martin EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *mode; 266 1.15.2.3 martin EFI_HANDLE *gop_handle; 267 1.15.2.3 martin UINTN ngop_handle, n; 268 1.15.2.3 martin char buf[48]; 269 1.15.2.3 martin int fb; 270 1.15.2.3 martin 271 1.15.2.3 martin status = LibLocateHandle(ByProtocol, &GraphicsOutputProtocol, NULL, &ngop_handle, &gop_handle); 272 1.15.2.3 martin if (EFI_ERROR(status) || ngop_handle == 0) 273 1.15.2.3 martin return; 274 1.15.2.3 martin 275 1.15.2.3 martin for (n = 0; n < ngop_handle; n++) { 276 1.15.2.3 martin status = uefi_call_wrapper(BS->HandleProtocol, 3, gop_handle[n], &GraphicsOutputProtocol, (void **)&gop); 277 1.15.2.3 martin if (EFI_ERROR(status)) 278 1.15.2.3 martin continue; 279 1.15.2.3 martin 280 1.15.2.3 martin mode = gop->Mode; 281 1.15.2.3 martin if (mode == NULL) 282 1.15.2.3 martin continue; 283 1.15.2.3 martin 284 1.15.2.3 martin #ifdef EFIBOOT_DEBUG 285 1.15.2.3 martin printf("GOP: FB @ 0x%" PRIx64 " size 0x%" PRIxUINTN "\n", mode->FrameBufferBase, mode->FrameBufferSize); 286 1.15.2.3 martin printf("GOP: Version %d\n", mode->Info->Version); 287 1.15.2.3 martin printf("GOP: HRes %d VRes %d\n", mode->Info->HorizontalResolution, mode->Info->VerticalResolution); 288 1.15.2.3 martin printf("GOP: PixelFormat %d\n", mode->Info->PixelFormat); 289 1.15.2.3 martin printf("GOP: PixelBitmask R 0x%x G 0x%x B 0x%x Res 0x%x\n", 290 1.15.2.3 martin mode->Info->PixelInformation.RedMask, 291 1.15.2.3 martin mode->Info->PixelInformation.GreenMask, 292 1.15.2.3 martin mode->Info->PixelInformation.BlueMask, 293 1.15.2.3 martin mode->Info->PixelInformation.ReservedMask); 294 1.15.2.3 martin printf("GOP: Pixels per scanline %d\n", mode->Info->PixelsPerScanLine); 295 1.15.2.3 martin #endif 296 1.15.2.3 martin 297 1.15.2.3 martin if (mode->Info->PixelFormat == PixelBltOnly) { 298 1.15.2.3 martin printf("GOP: PixelBltOnly pixel format not supported\n"); 299 1.15.2.3 martin continue; 300 1.15.2.3 martin } 301 1.15.2.3 martin 302 1.15.2.3 martin fdt_setprop_u32(fdt_data, 303 1.15.2.3 martin fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "#address-cells", 2); 304 1.15.2.3 martin fdt_setprop_u32(fdt_data, 305 1.15.2.3 martin fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "#size-cells", 2); 306 1.15.2.3 martin fdt_setprop_empty(fdt_data, 307 1.15.2.3 martin fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "ranges"); 308 1.15.2.3 martin 309 1.15.2.3 martin snprintf(buf, sizeof(buf), "framebuffer@%" PRIx64, mode->FrameBufferBase); 310 1.15.2.3 martin fb = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), buf); 311 1.15.2.3 martin if (fb < 0) 312 1.15.2.3 martin panic("FDT: Failed to create framebuffer node"); 313 1.15.2.3 martin 314 1.15.2.3 martin fdt_appendprop_string(fdt_data, fb, "compatible", "simple-framebuffer"); 315 1.15.2.3 martin fdt_appendprop_string(fdt_data, fb, "status", "okay"); 316 1.15.2.3 martin fdt_appendprop_u64(fdt_data, fb, "reg", mode->FrameBufferBase); 317 1.15.2.3 martin fdt_appendprop_u64(fdt_data, fb, "reg", mode->FrameBufferSize); 318 1.15.2.3 martin fdt_appendprop_u32(fdt_data, fb, "width", mode->Info->HorizontalResolution); 319 1.15.2.3 martin fdt_appendprop_u32(fdt_data, fb, "height", mode->Info->VerticalResolution); 320 1.15.2.3 martin fdt_appendprop_u32(fdt_data, fb, "stride", mode->Info->PixelsPerScanLine * 4); /* XXX */ 321 1.15.2.3 martin fdt_appendprop_string(fdt_data, fb, "format", "a8b8g8r8"); 322 1.15.2.3 martin 323 1.15.2.3 martin snprintf(buf, sizeof(buf), "/chosen/framebuffer@%" PRIx64, mode->FrameBufferBase); 324 1.15.2.3 martin fdt_setprop_string(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), 325 1.15.2.3 martin "stdout-path", buf); 326 1.15.2.3 martin 327 1.15.2.3 martin return; 328 1.15.2.3 martin } 329 1.15.2.3 martin } 330 1.15.2.3 martin 331 1.15.2.3 martin void 332 1.15.2.2 christos efi_fdt_bootargs(const char *bootargs) 333 1.15.2.2 christos { 334 1.15.2.2 christos struct efi_block_part *bpart = efi_block_boot_part(); 335 1.15.2.2 christos uint8_t macaddr[6]; 336 1.15.2.2 christos int chosen; 337 1.15.2.2 christos 338 1.15.2.2 christos chosen = fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH); 339 1.15.2.2 christos if (chosen < 0) 340 1.15.2.2 christos chosen = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/"), FDT_CHOSEN_NODE_NAME); 341 1.15.2.2 christos if (chosen < 0) 342 1.15.2.2 christos panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node"); 343 1.15.2.2 christos 344 1.15.2.2 christos if (*bootargs) 345 1.15.2.2 christos fdt_setprop_string(fdt_data, chosen, "bootargs", bootargs); 346 1.15.2.2 christos 347 1.15.2.2 christos if (bpart) { 348 1.15.2.2 christos switch (bpart->type) { 349 1.15.2.2 christos case EFI_BLOCK_PART_DISKLABEL: 350 1.15.2.2 christos fdt_setprop(fdt_data, chosen, "netbsd,mbr", 351 1.15.2.2 christos bpart->hash, sizeof(bpart->hash)); 352 1.15.2.2 christos fdt_setprop_u32(fdt_data, chosen, "netbsd,partition", 353 1.15.2.2 christos bpart->index); 354 1.15.2.2 christos break; 355 1.15.2.2 christos case EFI_BLOCK_PART_GPT: 356 1.15.2.2 christos if (bpart->gpt.ent.ent_name[0] == 0x0000) { 357 1.15.2.2 christos fdt_setprop(fdt_data, chosen, "netbsd,gpt-guid", 358 1.15.2.2 christos bpart->hash, sizeof(bpart->hash)); 359 1.15.2.2 christos } else { 360 1.15.2.2 christos char *label = NULL; 361 1.15.2.2 christos int rv = ucs2_to_utf8(bpart->gpt.ent.ent_name, &label); 362 1.15.2.2 christos if (rv == 0) { 363 1.15.2.2 christos fdt_setprop_string(fdt_data, chosen, "netbsd,gpt-label", label); 364 1.15.2.2 christos FreePool(label); 365 1.15.2.2 christos } 366 1.15.2.2 christos } 367 1.15.2.2 christos break; 368 1.15.2.2 christos default: 369 1.15.2.2 christos break; 370 1.15.2.2 christos } 371 1.15.2.2 christos } else if (efi_net_get_booted_macaddr(macaddr) == 0) { 372 1.15.2.2 christos fdt_setprop(fdt_data, chosen, "netbsd,booted-mac-address", macaddr, sizeof(macaddr)); 373 1.15.2.2 christos } 374 1.15.2.2 christos } 375 1.15.2.2 christos 376 1.15.2.2 christos void 377 1.15.2.2 christos efi_fdt_initrd(u_long initrd_addr, u_long initrd_size) 378 1.15.2.2 christos { 379 1.15.2.2 christos int chosen; 380 1.15.2.2 christos 381 1.15.2.2 christos if (initrd_size == 0) 382 1.15.2.2 christos return; 383 1.15.2.2 christos 384 1.15.2.2 christos chosen = fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH); 385 1.15.2.2 christos if (chosen < 0) 386 1.15.2.2 christos chosen = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/"), FDT_CHOSEN_NODE_NAME); 387 1.15.2.2 christos if (chosen < 0) 388 1.15.2.2 christos panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node"); 389 1.15.2.2 christos 390 1.15.2.2 christos fdt_setprop_u64(fdt_data, chosen, "linux,initrd-start", initrd_addr); 391 1.15.2.2 christos fdt_setprop_u64(fdt_data, chosen, "linux,initrd-end", initrd_addr + initrd_size); 392 1.15.2.2 christos } 393 1.15.2.3 martin 394 1.15.2.3 martin void 395 1.15.2.3 martin efi_fdt_rndseed(u_long rndseed_addr, u_long rndseed_size) 396 1.15.2.3 martin { 397 1.15.2.3 martin int chosen; 398 1.15.2.3 martin 399 1.15.2.3 martin if (rndseed_size == 0) 400 1.15.2.3 martin return; 401 1.15.2.3 martin 402 1.15.2.3 martin chosen = fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH); 403 1.15.2.3 martin if (chosen < 0) 404 1.15.2.3 martin chosen = fdt_add_subnode(fdt_data, 405 1.15.2.3 martin fdt_path_offset(fdt_data, "/"), 406 1.15.2.3 martin FDT_CHOSEN_NODE_NAME); 407 1.15.2.3 martin if (chosen < 0) 408 1.15.2.3 martin panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node"); 409 1.15.2.3 martin 410 1.15.2.3 martin fdt_setprop_u64(fdt_data, chosen, "netbsd,rndseed-start", 411 1.15.2.3 martin rndseed_addr); 412 1.15.2.3 martin fdt_setprop_u64(fdt_data, chosen, "netbsd,rndseed-end", 413 1.15.2.3 martin rndseed_addr + rndseed_size); 414 1.15.2.3 martin } 415
Indexes created Thu Oct 23 22:10:10 GMT 2025