4  * SPDX-License-Identifier: BSD-2-Clause
19 vm_paddr_t efi_map_phys_dst;	/* From our memory map metadata module */
28 /* Note: This is useless since runtime-map is a subset */
34 	struct efi_md *map;		/* Really an array */
41 	 * through entries - 1.
45 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/phys_addr", entries++);
54 	entries--;
65 	map = (struct efi_md *)(buf + efisz);
66 	bzero(map, sz);
67 	efi_map_hdr->memory_size = map_size;
68 	efi_map_hdr->descriptor_size = sizeof(struct efi_md);
69 	efi_map_hdr->descriptor_version = EFI_MEMORY_DESCRIPTOR_VERSION;
74 		m = map + i;
75 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/type", i);
76 		if (!file2u32(fn, &m->md_type))
78 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/phys_addr", i);
79 		if (!file2u64(fn, &m->md_phys))
81 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/virt_addr", i);
82 		if (!file2u64(fn, &m->md_virt))
84 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/num_pages", i);
85 		if (!file2u64(fn, &m->md_pages))
87 		snprintf(fn, sizeof(fn), "/sys/firmware/efi/runtime-map/%d/attribute", i);
88 		if (!file2u64(fn, &m->md_attr))
92 	printf("UEFI MAP:\n");
97 	printf("Parse error in reading current memory map\n");
102  * We may have no ability to read the PA that this map is in, so pass
103  * the address to FreeBSD via a rather odd flag entry as the first map
104  * so early boot can copy the memory map into this space and have the
113 	struct efi_md *map;		/* Really an array */  in efi_read_from_pa()  local
116 	 * We may have no ability to read the PA that this map is in, so pass  in efi_read_from_pa()
117 	 * the address to FreeBSD via a rather odd flag entry as the first map  in efi_read_from_pa()
118 	 * so early boot can copy the memory map into this space and have the  in efi_read_from_pa()
129 	map = (struct efi_md *)(buf + efisz);  in efi_read_from_pa()
130 	bzero(map, sz);  in efi_read_from_pa()
131 	efi_map_hdr->memory_size = map_size;  in efi_read_from_pa()
132 	efi_map_hdr->descriptor_size = desc_size;  in efi_read_from_pa()
133 	efi_map_hdr->descriptor_version = vers;  in efi_read_from_pa()
136 	 * Try to read in the actual UEFI map. This may fail, and that's OK. We just  in efi_read_from_pa()
137 	 * won't print the map.  in efi_read_from_pa()
144 	len = read(fd2, map, sz);  in efi_read_from_pa()
149 	printf("UEFI MAP:\n");  in efi_read_from_pa()
162 	struct efi_md *map, *p;  in foreach_efi_map_entry()  local
167 	 * Memory map data provided by UEFI via the GetMemoryMap  in foreach_efi_map_entry()
171 	map = (struct efi_md *)((uint8_t *)efihdr + efisz);  in foreach_efi_map_entry()
173 	if (efihdr->descriptor_size == 0)  in foreach_efi_map_entry()
175 	ndesc = efihdr->memory_size / efihdr->descriptor_size;  in foreach_efi_map_entry()
177 	for (i = 0, p = map; i < ndesc; i++,  in foreach_efi_map_entry()
178 	    p = efi_next_descriptor(p, efihdr->descriptor_size)) {  in foreach_efi_map_entry()
206 	if (p->md_type < nitems(types))  in print_efi_map_entry()
207 		type = types[p->md_type];  in print_efi_map_entry()
210 	printf("%23s %012lx %012lx %08lx ", type, p->md_phys,  in print_efi_map_entry()
211 	    p->md_virt, p->md_pages);  in print_efi_map_entry()
212 	if (p->md_attr & EFI_MD_ATTR_UC)  in print_efi_map_entry()
214 	if (p->md_attr & EFI_MD_ATTR_WC)  in print_efi_map_entry()
216 	if (p->md_attr & EFI_MD_ATTR_WT)  in print_efi_map_entry()
218 	if (p->md_attr & EFI_MD_ATTR_WB)  in print_efi_map_entry()
220 	if (p->md_attr & EFI_MD_ATTR_UCE)  in print_efi_map_entry()
222 	if (p->md_attr & EFI_MD_ATTR_WP)  in print_efi_map_entry()
224 	if (p->md_attr & EFI_MD_ATTR_RP)  in print_efi_map_entry()
226 	if (p->md_attr & EFI_MD_ATTR_XP)  in print_efi_map_entry()
228 	if (p->md_attr & EFI_MD_ATTR_NV)  in print_efi_map_entry()
230 	if (p->md_attr & EFI_MD_ATTR_MORE_RELIABLE)  in print_efi_map_entry()
232 	if (p->md_attr & EFI_MD_ATTR_RO)  in print_efi_map_entry()
234 	if (p->md_attr & EFI_MD_ATTR_RT)  in print_efi_map_entry()
259 	 * memory map lives. The trampoline code will copy it over. If we don't  in efi_bi_loadsmap()
260 	 * have it, panic because /proc/iomem isn't sufficient and there's no  in efi_bi_loadsmap()
268 	panic("Can't get UEFI memory map, nor a pointer to it, can't proceed.\n");  in efi_bi_loadsmap()