diff --git a/stand/efi/loader/bootinfo.c b/stand/efi/loader/bootinfo.c index 1bd8c11c0028..01f7506710bf 100644 --- a/stand/efi/loader/bootinfo.c +++ b/stand/efi/loader/bootinfo.c @@ -1,461 +1,463 @@ /*- * Copyright (c) 1998 Michael Smith * Copyright (c) 2004, 2006 Marcel Moolenaar * Copyright (c) 2014 The FreeBSD Foundation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #ifdef EFI #include #include +#else +#include "kboot.h" #endif #include "bootstrap.h" #include "modinfo.h" #if defined(__amd64__) #include #endif #ifdef EFI #include "loader_efi.h" #include "gfx_fb.h" #endif #if defined(LOADER_FDT_SUPPORT) #include #endif #ifdef LOADER_GELI_SUPPORT #include "geliboot.h" #endif int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, bool exit_bs); static int bi_getboothowto(char *kargs) { #ifdef EFI const char *sw, *tmp; char *opts; int speed, port; char buf[50]; #endif char *console; int howto; howto = boot_parse_cmdline(kargs); howto |= boot_env_to_howto(); console = getenv("console"); if (console != NULL) { if (strcmp(console, "comconsole") == 0) howto |= RB_SERIAL; if (strcmp(console, "nullconsole") == 0) howto |= RB_MUTE; #ifdef EFI #if defined(__i386__) || defined(__amd64__) if (strcmp(console, "efi") == 0 && getenv("efi_8250_uid") != NULL && getenv("hw.uart.console") == NULL) { /* * If we found a 8250 com port and com speed, we need to * tell the kernel where the serial port is, and how * fast. Ideally, we'd get the port from ACPI, but that * isn't running in the loader. Do the next best thing * by allowing it to be set by a loader.conf variable, * either a EFI specific one, or the compatible * comconsole_port if not. PCI support is needed, but * for that we'd ideally refactor the * libi386/comconsole.c code to have identical behavior. * We only try to set the port for cases where we saw * the Serial(x) node when parsing, otherwise * specialized hardware that has Uart nodes will have a * bogus address set. * But if someone specifically setup hw.uart.console, * don't override that. */ speed = -1; port = -1; tmp = getenv("efi_com_speed"); if (tmp != NULL) speed = strtol(tmp, NULL, 0); tmp = getenv("efi_com_port"); if (tmp == NULL) tmp = getenv("comconsole_port"); if (tmp != NULL) port = strtol(tmp, NULL, 0); if (speed != -1 && port != -1) { snprintf(buf, sizeof(buf), "io:%d,br:%d", port, speed); env_setenv("hw.uart.console", EV_VOLATILE, buf, NULL, NULL); } } #endif #endif } return (howto); } #ifdef EFI static EFI_STATUS efi_do_vmap(EFI_MEMORY_DESCRIPTOR *mm, UINTN sz, UINTN mmsz, UINT32 mmver) { EFI_MEMORY_DESCRIPTOR *desc, *viter, *vmap; EFI_STATUS ret; int curr, ndesc, nset; nset = 0; desc = mm; ndesc = sz / mmsz; vmap = malloc(sz); if (vmap == NULL) /* This isn't really an EFI error case, but pretend it is */ return (EFI_OUT_OF_RESOURCES); viter = vmap; for (curr = 0; curr < ndesc; curr++, desc = NextMemoryDescriptor(desc, mmsz)) { if ((desc->Attribute & EFI_MEMORY_RUNTIME) != 0) { ++nset; desc->VirtualStart = desc->PhysicalStart; *viter = *desc; viter = NextMemoryDescriptor(viter, mmsz); } } ret = RS->SetVirtualAddressMap(nset * mmsz, mmsz, mmver, vmap); free(vmap); return (ret); } static int bi_load_efi_data(struct preloaded_file *kfp, bool exit_bs) { EFI_MEMORY_DESCRIPTOR *mm; EFI_PHYSICAL_ADDRESS addr = 0; EFI_STATUS status; const char *efi_novmap; size_t efisz; UINTN efi_mapkey; UINTN dsz, pages, retry, sz; UINT32 mmver; struct efi_map_header *efihdr; bool do_vmap; #if defined(__amd64__) || defined(__aarch64__) struct efi_fb efifb; efifb.fb_addr = gfx_state.tg_fb.fb_addr; efifb.fb_size = gfx_state.tg_fb.fb_size; efifb.fb_height = gfx_state.tg_fb.fb_height; efifb.fb_width = gfx_state.tg_fb.fb_width; efifb.fb_stride = gfx_state.tg_fb.fb_stride; efifb.fb_mask_red = gfx_state.tg_fb.fb_mask_red; efifb.fb_mask_green = gfx_state.tg_fb.fb_mask_green; efifb.fb_mask_blue = gfx_state.tg_fb.fb_mask_blue; efifb.fb_mask_reserved = gfx_state.tg_fb.fb_mask_reserved; printf("EFI framebuffer information:\n"); printf("addr, size 0x%jx, 0x%jx\n", efifb.fb_addr, efifb.fb_size); printf("dimensions %d x %d\n", efifb.fb_width, efifb.fb_height); printf("stride %d\n", efifb.fb_stride); printf("masks 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", efifb.fb_mask_red, efifb.fb_mask_green, efifb.fb_mask_blue, efifb.fb_mask_reserved); if (efifb.fb_addr != 0) file_addmetadata(kfp, MODINFOMD_EFI_FB, sizeof(efifb), &efifb); #endif do_vmap = true; efi_novmap = getenv("efi_disable_vmap"); if (efi_novmap != NULL) do_vmap = strcasecmp(efi_novmap, "YES") != 0; efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; /* * Assign size of EFI_MEMORY_DESCRIPTOR to keep compatible with * u-boot which doesn't fill this value when buffer for memory * descriptors is too small (eg. 0 to obtain memory map size) */ dsz = sizeof(EFI_MEMORY_DESCRIPTOR); /* * Allocate enough pages to hold the bootinfo block and the * memory map EFI will return to us. The memory map has an * unknown size, so we have to determine that first. Note that * the AllocatePages call can itself modify the memory map, so * we have to take that into account as well. The changes to * the memory map are caused by splitting a range of free * memory into two, so that one is marked as being loader * data. */ sz = 0; mm = NULL; /* * Matthew Garrett has observed at least one system changing the * memory map when calling ExitBootServices, causing it to return an * error, probably because callbacks are allocating memory. * So we need to retry calling it at least once. */ for (retry = 2; retry > 0; retry--) { for (;;) { status = BS->GetMemoryMap(&sz, mm, &efi_mapkey, &dsz, &mmver); if (!EFI_ERROR(status)) break; if (status != EFI_BUFFER_TOO_SMALL) { printf("%s: GetMemoryMap error %lu\n", __func__, EFI_ERROR_CODE(status)); return (EINVAL); } if (addr != 0) BS->FreePages(addr, pages); /* Add 10 descriptors to the size to allow for * fragmentation caused by calling AllocatePages */ sz += (10 * dsz); pages = EFI_SIZE_TO_PAGES(sz + efisz); status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, pages, &addr); if (EFI_ERROR(status)) { printf("%s: AllocatePages error %lu\n", __func__, EFI_ERROR_CODE(status)); return (ENOMEM); } /* * Read the memory map and stash it after bootinfo. Align the * memory map on a 16-byte boundary (the bootinfo block is page * aligned). */ efihdr = (struct efi_map_header *)(uintptr_t)addr; mm = (void *)((uint8_t *)efihdr + efisz); sz = (EFI_PAGE_SIZE * pages) - efisz; } if (!exit_bs) break; status = efi_exit_boot_services(efi_mapkey); if (!EFI_ERROR(status)) break; } if (retry == 0) { BS->FreePages(addr, pages); printf("ExitBootServices error %lu\n", EFI_ERROR_CODE(status)); return (EINVAL); } /* * This may be disabled by setting efi_disable_vmap in * loader.conf(5). By default we will setup the virtual * map entries. */ if (do_vmap) efi_do_vmap(mm, sz, dsz, mmver); efihdr->memory_size = sz; efihdr->descriptor_size = dsz; efihdr->descriptor_version = mmver; file_addmetadata(kfp, MODINFOMD_EFI_MAP, efisz + sz, efihdr); return (0); } #endif /* * Load the information expected by an amd64 kernel. * * - The 'boothowto' argument is constructed. * - The 'bootdev' argument is constructed. * - The 'bootinfo' struct is constructed, and copied into the kernel space. * - The kernel environment is copied into kernel space. * - Module metadata are formatted and placed in kernel space. */ int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, bool exit_bs) { struct preloaded_file *xp, *kfp; struct devdesc *rootdev; struct file_metadata *md; vm_offset_t addr; uint64_t kernend, module; uint64_t envp; vm_offset_t size; char *rootdevname; int howto; bool is64 = sizeof(long) == 8; #if defined(LOADER_FDT_SUPPORT) vm_offset_t dtbp; int dtb_size; #endif #if defined(__arm__) vm_offset_t vaddr; size_t i; /* * These metadata addreses must be converted for kernel after * relocation. */ uint32_t mdt[] = { MODINFOMD_SSYM, MODINFOMD_ESYM, MODINFOMD_KERNEND, MODINFOMD_ENVP, MODINFOMD_FONT, #if defined(LOADER_FDT_SUPPORT) MODINFOMD_DTBP #endif }; #endif howto = bi_getboothowto(args); /* * Allow the environment variable 'rootdev' to override the supplied * device. This should perhaps go to MI code and/or have $rootdev * tested/set by MI code before launching the kernel. */ rootdevname = getenv("rootdev"); archsw.arch_getdev((void**)(&rootdev), rootdevname, NULL); if (rootdev == NULL) { printf("Can't determine root device.\n"); return(EINVAL); } -#ifdef EFI /* Try reading the /etc/fstab file to select the root device */ getrootmount(devformat(rootdev)); -#endif addr = 0; for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { if (addr < xp->f_addr + xp->f_size) addr = xp->f_addr + xp->f_size; } /* Pad to a page boundary. */ addr = roundup(addr, PAGE_SIZE); addr = build_font_module(addr); /* Pad to a page boundary. */ addr = roundup(addr, PAGE_SIZE); /* Copy our environment. */ envp = addr; addr = md_copyenv(addr); /* Pad to a page boundary. */ addr = roundup(addr, PAGE_SIZE); #if defined(LOADER_FDT_SUPPORT) /* Handle device tree blob */ dtbp = addr; dtb_size = fdt_copy(addr); /* Pad to a page boundary */ if (dtb_size) addr += roundup(dtb_size, PAGE_SIZE); #endif kfp = file_findfile(NULL, "elf kernel"); if (kfp == NULL) kfp = file_findfile(NULL, "elf64 kernel"); if (kfp == NULL) panic("can't find kernel file"); kernend = 0; /* fill it in later */ /* Figure out the size and location of the metadata. */ module = *modulep = addr; file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof(howto), &howto); file_addmetadata(kfp, MODINFOMD_ENVP, sizeof(envp), &envp); #if defined(LOADER_FDT_SUPPORT) if (dtb_size) file_addmetadata(kfp, MODINFOMD_DTBP, sizeof(dtbp), &dtbp); else printf("WARNING! Trying to fire up the kernel, but no " "device tree blob found!\n"); #endif file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof(kernend), &kernend); #ifdef MODINFOMD_MODULEP file_addmetadata(kfp, MODINFOMD_MODULEP, sizeof(module), &module); #endif #ifdef EFI file_addmetadata(kfp, MODINFOMD_FW_HANDLE, sizeof(ST), &ST); #endif #ifdef LOADER_GELI_SUPPORT geli_export_key_metadata(kfp); #endif #ifdef EFI bi_load_efi_data(kfp, exit_bs); +#else + bi_loadsmap(kfp); #endif size = md_copymodules(0, is64); /* Find the size of the modules */ kernend = roundup(addr + size, PAGE_SIZE); *kernendp = kernend; /* patch MODINFOMD_KERNEND */ md = file_findmetadata(kfp, MODINFOMD_KERNEND); bcopy(&kernend, md->md_data, sizeof kernend); #if defined(__arm__) *modulep -= __elfN(relocation_offset); /* Do relocation fixup on metadata of each module. */ for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { for (i = 0; i < nitems(mdt); i++) { md = file_findmetadata(xp, mdt[i]); if (md) { bcopy(md->md_data, &vaddr, sizeof vaddr); vaddr -= __elfN(relocation_offset); bcopy(&vaddr, md->md_data, sizeof vaddr); } } } #endif /* Copy module list and metadata. */ (void)md_copymodules(addr, is64); return (0); } diff --git a/stand/kboot/Makefile b/stand/kboot/Makefile index cc972bc06ae3..745dcd30a938 100644 --- a/stand/kboot/Makefile +++ b/stand/kboot/Makefile @@ -1,64 +1,68 @@ # $FreeBSD$ LOADER_DISK_SUPPORT?= yes LOADER_CD9660_SUPPORT?= yes LOADER_MSDOS_SUPPORT?= no LOADER_EXT2FS_SUPPORT?= yes LOADER_UFS_SUPPORT?= yes LOADER_ZFS_SUPPORT?= yes LOADER_NET_SUPPORT?= no LOADER_NFS_SUPPORT?= no LOADER_TFTP_SUPPORT?= no LOADER_GZIP_SUPPORT?= no LOADER_BZIP2_SUPPORT?= no .include PROG= loader.kboot NEWVERSWHAT= "kboot loader" ${MACHINE_ARCH} INSTALLFLAGS= -b # Architecture-specific loader code SRCS= \ + bootinfo.c \ conf.c \ crt1.c \ gfx_fb_stub.c \ host_syscalls.c \ hostcons.c \ hostdisk.c \ hostfs.c \ init.c \ kbootfdt.c \ main.c \ seg.c \ termios.c \ util.c \ vers.c CFLAGS.gfx_fb_stub.c += -I${SRCTOP}/contrib/pnglite -I${SRCTOP}/sys/teken .if ${MK_LOADER_ZFS} != "no" CFLAGS+= -I${ZFSSRC} CFLAGS+= -I${SYSDIR}/contrib/openzfs/include CFLAGS+= -I${SYSDIR}/contrib/openzfs/include/os/freebsd/zfs HAVE_ZFS=yes .endif .include "${BOOTSRC}/fdt.mk" +# We share bootinfo.c with efi +.PATH: ${BOOTSRC}/efi/loader + # Note: Since we're producing a userland binary, we key off of MACHINE_ARCH # instead of the more normal MACHINE since the changes between different flavors # of MACHINE_ARCH are large enough in Linux that it's easier that way. .PATH: ${.CURDIR}/arch/${MACHINE_ARCH} .include "${.CURDIR}/arch/${MACHINE_ARCH}/Makefile.inc" # Always add MI sources .include "${BOOTSRC}/loader.mk" .PATH: ${SYSDIR}/libkern CFLAGS+= -I${.CURDIR} -I${.CURDIR}/arch/${MACHINE_ARCH} CFLAGS+= -Wall DPADD= ${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA} LDADD= ${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA} .include diff --git a/stand/kboot/bootinfo.c b/stand/kboot/bootinfo.c deleted file mode 100644 index c71ec125c031..000000000000 --- a/stand/kboot/bootinfo.c +++ /dev/null @@ -1,467 +0,0 @@ -/*- - * Copyright (c) 1998 Michael Smith - * Copyright (c) 2004, 2006 Marcel Moolenaar - * Copyright (c) 2014 The FreeBSD Foundation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include -__FBSDID("$FreeBSD$"); - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef EFI -#include -#include -#endif - -#include "bootstrap.h" -#include "modinfo.h" - -#if defined(__amd64__) -#include -#endif - -#ifdef EFI -#include "loader_efi.h" -#include "gfx_fb.h" -#endif - -#if defined(LOADER_FDT_SUPPORT) -#include -#endif - -#ifdef LOADER_GELI_SUPPORT -#include "geliboot.h" -#endif - -int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, - bool exit_bs); -#ifndef EFI -void bi_loadsmap(struct preloaded_file *kfp); -#endif - -static int -bi_getboothowto(char *kargs) -{ -#ifdef EFI - const char *sw, *tmp; - char *opts; - int speed, port; - char buf[50]; -#endif - char *console; - int howto; - - howto = boot_parse_cmdline(kargs); - howto |= boot_env_to_howto(); - - console = getenv("console"); - if (console != NULL) { - if (strcmp(console, "comconsole") == 0) - howto |= RB_SERIAL; - if (strcmp(console, "nullconsole") == 0) - howto |= RB_MUTE; -#ifdef EFI -#if defined(__i386__) || defined(__amd64__) - if (strcmp(console, "efi") == 0 && - getenv("efi_8250_uid") != NULL && - getenv("hw.uart.console") == NULL) { - /* - * If we found a 8250 com port and com speed, we need to - * tell the kernel where the serial port is, and how - * fast. Ideally, we'd get the port from ACPI, but that - * isn't running in the loader. Do the next best thing - * by allowing it to be set by a loader.conf variable, - * either a EFI specific one, or the compatible - * comconsole_port if not. PCI support is needed, but - * for that we'd ideally refactor the - * libi386/comconsole.c code to have identical behavior. - * We only try to set the port for cases where we saw - * the Serial(x) node when parsing, otherwise - * specialized hardware that has Uart nodes will have a - * bogus address set. - * But if someone specifically setup hw.uart.console, - * don't override that. - */ - speed = -1; - port = -1; - tmp = getenv("efi_com_speed"); - if (tmp != NULL) - speed = strtol(tmp, NULL, 0); - tmp = getenv("efi_com_port"); - if (tmp == NULL) - tmp = getenv("comconsole_port"); - if (tmp != NULL) - port = strtol(tmp, NULL, 0); - if (speed != -1 && port != -1) { - snprintf(buf, sizeof(buf), "io:%d,br:%d", port, - speed); - env_setenv("hw.uart.console", EV_VOLATILE, buf, - NULL, NULL); - } - } -#endif -#endif - } - - return (howto); -} - -#ifdef EFI -static EFI_STATUS -efi_do_vmap(EFI_MEMORY_DESCRIPTOR *mm, UINTN sz, UINTN mmsz, UINT32 mmver) -{ - EFI_MEMORY_DESCRIPTOR *desc, *viter, *vmap; - EFI_STATUS ret; - int curr, ndesc, nset; - - nset = 0; - desc = mm; - ndesc = sz / mmsz; - vmap = malloc(sz); - if (vmap == NULL) - /* This isn't really an EFI error case, but pretend it is */ - return (EFI_OUT_OF_RESOURCES); - viter = vmap; - for (curr = 0; curr < ndesc; - curr++, desc = NextMemoryDescriptor(desc, mmsz)) { - if ((desc->Attribute & EFI_MEMORY_RUNTIME) != 0) { - ++nset; - desc->VirtualStart = desc->PhysicalStart; - *viter = *desc; - viter = NextMemoryDescriptor(viter, mmsz); - } - } - ret = RS->SetVirtualAddressMap(nset * mmsz, mmsz, mmver, vmap); - free(vmap); - return (ret); -} - -static int -bi_load_efi_data(struct preloaded_file *kfp, bool exit_bs) -{ - EFI_MEMORY_DESCRIPTOR *mm; - EFI_PHYSICAL_ADDRESS addr = 0; - EFI_STATUS status; - const char *efi_novmap; - size_t efisz; - UINTN efi_mapkey; - UINTN dsz, pages, retry, sz; - UINT32 mmver; - struct efi_map_header *efihdr; - bool do_vmap; - -#if defined(__amd64__) || defined(__aarch64__) - struct efi_fb efifb; - - efifb.fb_addr = gfx_state.tg_fb.fb_addr; - efifb.fb_size = gfx_state.tg_fb.fb_size; - efifb.fb_height = gfx_state.tg_fb.fb_height; - efifb.fb_width = gfx_state.tg_fb.fb_width; - efifb.fb_stride = gfx_state.tg_fb.fb_stride; - efifb.fb_mask_red = gfx_state.tg_fb.fb_mask_red; - efifb.fb_mask_green = gfx_state.tg_fb.fb_mask_green; - efifb.fb_mask_blue = gfx_state.tg_fb.fb_mask_blue; - efifb.fb_mask_reserved = gfx_state.tg_fb.fb_mask_reserved; - - printf("EFI framebuffer information:\n"); - printf("addr, size 0x%jx, 0x%jx\n", efifb.fb_addr, efifb.fb_size); - printf("dimensions %d x %d\n", efifb.fb_width, efifb.fb_height); - printf("stride %d\n", efifb.fb_stride); - printf("masks 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", - efifb.fb_mask_red, efifb.fb_mask_green, efifb.fb_mask_blue, - efifb.fb_mask_reserved); - - if (efifb.fb_addr != 0) - file_addmetadata(kfp, MODINFOMD_EFI_FB, sizeof(efifb), &efifb); -#endif - - do_vmap = true; - efi_novmap = getenv("efi_disable_vmap"); - if (efi_novmap != NULL) - do_vmap = strcasecmp(efi_novmap, "YES") != 0; - - efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; - - /* - * Assign size of EFI_MEMORY_DESCRIPTOR to keep compatible with - * u-boot which doesn't fill this value when buffer for memory - * descriptors is too small (eg. 0 to obtain memory map size) - */ - dsz = sizeof(EFI_MEMORY_DESCRIPTOR); - - /* - * Allocate enough pages to hold the bootinfo block and the - * memory map EFI will return to us. The memory map has an - * unknown size, so we have to determine that first. Note that - * the AllocatePages call can itself modify the memory map, so - * we have to take that into account as well. The changes to - * the memory map are caused by splitting a range of free - * memory into two, so that one is marked as being loader - * data. - */ - - sz = 0; - mm = NULL; - - /* - * Matthew Garrett has observed at least one system changing the - * memory map when calling ExitBootServices, causing it to return an - * error, probably because callbacks are allocating memory. - * So we need to retry calling it at least once. - */ - for (retry = 2; retry > 0; retry--) { - for (;;) { - status = BS->GetMemoryMap(&sz, mm, &efi_mapkey, &dsz, &mmver); - if (!EFI_ERROR(status)) - break; - - if (status != EFI_BUFFER_TOO_SMALL) { - printf("%s: GetMemoryMap error %lu\n", __func__, - EFI_ERROR_CODE(status)); - return (EINVAL); - } - - if (addr != 0) - BS->FreePages(addr, pages); - - /* Add 10 descriptors to the size to allow for - * fragmentation caused by calling AllocatePages */ - sz += (10 * dsz); - pages = EFI_SIZE_TO_PAGES(sz + efisz); - status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, - pages, &addr); - if (EFI_ERROR(status)) { - printf("%s: AllocatePages error %lu\n", __func__, - EFI_ERROR_CODE(status)); - return (ENOMEM); - } - - /* - * Read the memory map and stash it after bootinfo. Align the - * memory map on a 16-byte boundary (the bootinfo block is page - * aligned). - */ - efihdr = (struct efi_map_header *)(uintptr_t)addr; - mm = (void *)((uint8_t *)efihdr + efisz); - sz = (EFI_PAGE_SIZE * pages) - efisz; - } - - if (!exit_bs) - break; - status = efi_exit_boot_services(efi_mapkey); - if (!EFI_ERROR(status)) - break; - } - - if (retry == 0) { - BS->FreePages(addr, pages); - printf("ExitBootServices error %lu\n", EFI_ERROR_CODE(status)); - return (EINVAL); - } - - /* - * This may be disabled by setting efi_disable_vmap in - * loader.conf(5). By default we will setup the virtual - * map entries. - */ - - if (do_vmap) - efi_do_vmap(mm, sz, dsz, mmver); - efihdr->memory_size = sz; - efihdr->descriptor_size = dsz; - efihdr->descriptor_version = mmver; - file_addmetadata(kfp, MODINFOMD_EFI_MAP, efisz + sz, - efihdr); - - return (0); -} -#endif - -/* - * Load the information expected by an amd64 kernel. - * - * - The 'boothowto' argument is constructed. - * - The 'bootdev' argument is constructed. - * - The 'bootinfo' struct is constructed, and copied into the kernel space. - * - The kernel environment is copied into kernel space. - * - Module metadata are formatted and placed in kernel space. - */ -int -bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, bool exit_bs) -{ - struct preloaded_file *xp, *kfp; - struct devdesc *rootdev; - struct file_metadata *md; - vm_offset_t addr; - uint64_t kernend, module; - uint64_t envp; - vm_offset_t size; - char *rootdevname; - int howto; - bool is64 = sizeof(long) == 8; -#if defined(LOADER_FDT_SUPPORT) - vm_offset_t dtbp; - int dtb_size; -#endif -#if defined(__arm__) - vm_offset_t vaddr; - size_t i; - /* - * These metadata addreses must be converted for kernel after - * relocation. - */ - uint32_t mdt[] = { - MODINFOMD_SSYM, MODINFOMD_ESYM, MODINFOMD_KERNEND, - MODINFOMD_ENVP, MODINFOMD_FONT, -#if defined(LOADER_FDT_SUPPORT) - MODINFOMD_DTBP -#endif - }; -#endif - - howto = bi_getboothowto(args); - - /* - * Allow the environment variable 'rootdev' to override the supplied - * device. This should perhaps go to MI code and/or have $rootdev - * tested/set by MI code before launching the kernel. - */ - rootdevname = getenv("rootdev"); - archsw.arch_getdev((void**)(&rootdev), rootdevname, NULL); - if (rootdev == NULL) { - printf("Can't determine root device.\n"); - return(EINVAL); - } - -#ifdef EFI - /* Try reading the /etc/fstab file to select the root device */ - getrootmount(devformat(rootdev)); -#endif - - addr = 0; - for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { - if (addr < xp->f_addr + xp->f_size) - addr = xp->f_addr + xp->f_size; - } - - /* Pad to a page boundary. */ - addr = roundup(addr, PAGE_SIZE); - - addr = build_font_module(addr); - - /* Pad to a page boundary. */ - addr = roundup(addr, PAGE_SIZE); - - /* Copy our environment. */ - envp = addr; - addr = md_copyenv(addr); - - /* Pad to a page boundary. */ - addr = roundup(addr, PAGE_SIZE); - -#if defined(LOADER_FDT_SUPPORT) - /* Handle device tree blob */ - dtbp = addr; - dtb_size = fdt_copy(addr); - - /* Pad to a page boundary */ - if (dtb_size) - addr += roundup(dtb_size, PAGE_SIZE); -#endif - - kfp = file_findfile(NULL, "elf kernel"); - if (kfp == NULL) - kfp = file_findfile(NULL, "elf64 kernel"); - if (kfp == NULL) - panic("can't find kernel file"); - kernend = 0; /* fill it in later */ - - /* Figure out the size and location of the metadata. */ - module = *modulep = addr; - - file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof(howto), &howto); - file_addmetadata(kfp, MODINFOMD_ENVP, sizeof(envp), &envp); -#if defined(LOADER_FDT_SUPPORT) - if (dtb_size) - file_addmetadata(kfp, MODINFOMD_DTBP, sizeof(dtbp), &dtbp); - else - printf("WARNING! Trying to fire up the kernel, but no " - "device tree blob found!\n"); -#endif - file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof(kernend), &kernend); -#ifdef MODINFOMD_MODULEP - file_addmetadata(kfp, MODINFOMD_MODULEP, sizeof(module), &module); -#endif -#ifdef EFI - file_addmetadata(kfp, MODINFOMD_FW_HANDLE, sizeof(ST), &ST); -#endif -#ifdef LOADER_GELI_SUPPORT - geli_export_key_metadata(kfp); -#endif -#ifdef EFI - bi_load_efi_data(kfp, exit_bs); -#else - bi_loadsmap(kfp); -#endif - - size = md_copymodules(0, is64); /* Find the size of the modules */ - kernend = roundup(addr + size, PAGE_SIZE); - *kernendp = kernend; - - /* patch MODINFOMD_KERNEND */ - md = file_findmetadata(kfp, MODINFOMD_KERNEND); - bcopy(&kernend, md->md_data, sizeof kernend); - -#if defined(__arm__) - *modulep -= __elfN(relocation_offset); - - /* Do relocation fixup on metadata of each module. */ - for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) { - for (i = 0; i < nitems(mdt); i++) { - md = file_findmetadata(xp, mdt[i]); - if (md) { - bcopy(md->md_data, &vaddr, sizeof vaddr); - vaddr -= __elfN(relocation_offset); - bcopy(&vaddr, md->md_data, sizeof vaddr); - } - } - } -#endif - - /* Copy module list and metadata. */ - (void)md_copymodules(addr, is64); - - return (0); -}