diff options
Diffstat (limited to 'sys/boot/efi/libefi')
-rw-r--r-- | sys/boot/efi/libefi/Makefile | 39 | ||||
-rw-r--r-- | sys/boot/efi/libefi/arch/ia64/ldscript.ia64 | 73 | ||||
-rw-r--r-- | sys/boot/efi/libefi/arch/ia64/start.S | 305 | ||||
-rw-r--r-- | sys/boot/efi/libefi/bootinfo.c | 348 | ||||
-rw-r--r-- | sys/boot/efi/libefi/copy.c | 68 | ||||
-rw-r--r-- | sys/boot/efi/libefi/delay.c | 47 | ||||
-rw-r--r-- | sys/boot/efi/libefi/devicename.c | 240 | ||||
-rw-r--r-- | sys/boot/efi/libefi/efi_console.c | 98 | ||||
-rw-r--r-- | sys/boot/efi/libefi/efiboot.h | 94 | ||||
-rw-r--r-- | sys/boot/efi/libefi/efifpswa.c | 59 | ||||
-rw-r--r-- | sys/boot/efi/libefi/efifs.c | 401 | ||||
-rw-r--r-- | sys/boot/efi/libefi/efinet.c | 267 | ||||
-rw-r--r-- | sys/boot/efi/libefi/elf_freebsd.c | 223 | ||||
-rw-r--r-- | sys/boot/efi/libefi/libefi.c | 188 | ||||
-rw-r--r-- | sys/boot/efi/libefi/module.c | 40 | ||||
-rw-r--r-- | sys/boot/efi/libefi/time.c | 224 |
16 files changed, 2714 insertions, 0 deletions
diff --git a/sys/boot/efi/libefi/Makefile b/sys/boot/efi/libefi/Makefile new file mode 100644 index 0000000..bd8e034 --- /dev/null +++ b/sys/boot/efi/libefi/Makefile @@ -0,0 +1,39 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../../../${MACHINE_ARCH}/${MACHINE_ARCH} + +LIB= efi +INTERNALLIB= true + +SRCS= libefi.c efi_console.c time.c copy.c devicename.c module.c +SRCS+= delay.c efifs.c efinet.c elf_freebsd.c bootinfo.c pal.S + +.if ${MACHINE_ARCH} == "ia64" +SRCS+= efifpswa.c +.endif + +CFLAGS+= -ffreestanding -fpic +CFLAGS+= -I${.CURDIR}/../include +CFLAGS+= -I${.CURDIR}/../include/${MACHINE_ARCH} +CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/ + +# Pick up the bootstrap header for some interface items +CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR}/../../.. -I. + +.if ${MACHINE_ARCH} == "powerpc" +CFLAGS+= -msoft-float +.endif + +.ifdef(BOOT_DISK_DEBUG) +# Make the disk code more talkative +CFLAGS+= -DDISK_DEBUG +.endif + +machine: + ln -sf ${.CURDIR}/../../../${MACHINE_ARCH}/include machine + +CLEANFILES+= machine + +.include <bsd.lib.mk> + +beforedepend ${OBJS}: machine diff --git a/sys/boot/efi/libefi/arch/ia64/ldscript.ia64 b/sys/boot/efi/libefi/arch/ia64/ldscript.ia64 new file mode 100644 index 0000000..002c263 --- /dev/null +++ b/sys/boot/efi/libefi/arch/ia64/ldscript.ia64 @@ -0,0 +1,73 @@ +/* $FreeBSD$ */ +OUTPUT_FORMAT("elf64-ia64-little", "elf64-ia64-little", "elf64-ia64-little") +OUTPUT_ARCH(ia64) +ENTRY(_start_plabel) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0; + ImageBase = .; + . = SIZEOF_HEADERS; + . = ALIGN(4096); + .text : { + *(.text .stub .text.* .gnu.linkonce.t.*) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.plt) + } =0x00300000010070000002000001000400 + . = ALIGN(4096); + .data : { + *(.rodata .rodata.* .gnu.linkonce.r.*) + *(.rodata1) + *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) + *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) + *(.opd) + *(.IA_64.unwind_info* .gnu.linkonce.ia64unwi.*) + *(.IA_64.unwind* .gnu.linkonce.ia64unw.*) + __start_set_Xcommand_set = .; + *(set_Xcommand_set) + __stop_set_Xcommand_set = .; + *(.data .data.* .gnu.linkonce.d.*) + *(.data1) + *(.plabel) + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + } + . = ALIGN(4096); + __gp = .; + .sdata : { + *(.got.plt .got) + *(.IA_64.pltoff) + *(.sdata .sdata.* .gnu.linkonce.s.*) + *(dynsbss) + *(.sbss .sbss.* .gnu.linkonce.sb.*) + *(.scommon) + } + . = ALIGN(4096); + .dynamic : { *(.dynamic) } + . = ALIGN(4096); + .rela : { + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.got) + *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) + *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) + *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) + *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + *(.rela.plt) + *(.rela.IA_64.pltoff) + *(.relaset_*) + *(.rela.dyn .rela.dyn.*) + } + . = ALIGN(4096); + .reloc : { *(.reloc) } + . = ALIGN(4096); + .hash : { *(.hash) } + . = ALIGN(4096); + .dynsym : { *(.dynsym) } + . = ALIGN(4096); + .dynstr : { *(.dynstr) } +} diff --git a/sys/boot/efi/libefi/arch/ia64/start.S b/sys/boot/efi/libefi/arch/ia64/start.S new file mode 100644 index 0000000..643f1c9 --- /dev/null +++ b/sys/boot/efi/libefi/arch/ia64/start.S @@ -0,0 +1,305 @@ +/*- + * Copyright (c) 2001 Doug Rabson + * 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. + * + * $FreeBSD$ + */ + + .text + +#include <machine/asm.h> + +#define EFI_SUCCESS 0 +#define EFI_LOAD_ERROR 1 +#define EFI_BUFFER_TOO_SMALL 5 + +#define DT_NULL 0 /* Terminating entry. */ +#define DT_NEEDED 1 /* String table offset of a needed shared + library. */ +#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ +#define DT_PLTGOT 3 /* Processor-dependent address. */ +#define DT_HASH 4 /* Address of symbol hash table. */ +#define DT_STRTAB 5 /* Address of string table. */ +#define DT_SYMTAB 6 /* Address of symbol table. */ +#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ +#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ +#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ +#define DT_STRSZ 10 /* Size of string table. */ +#define DT_SYMENT 11 /* Size of each symbol table entry. */ +#define DT_INIT 12 /* Address of initialization function. */ +#define DT_FINI 13 /* Address of finalization function. */ +#define DT_SONAME 14 /* String table offset of shared object + name. */ +#define DT_RPATH 15 /* String table offset of library path. */ +#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. */ +#define DT_REL 17 /* Address of ElfNN_Rel relocations. */ +#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ +#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ +#define DT_PLTREL 20 /* Type of relocation used for PLT. */ +#define DT_DEBUG 21 /* Reserved (not used). */ +#define DT_TEXTREL 22 /* Indicates there may be relocations in + non-writable segments. */ +#define DT_JMPREL 23 /* Address of PLT relocations. */ + +#define DT_COUNT 24 /* Number of defined d_tag values. */ + +#define R_IA64_NONE 0 /* None */ +#define R_IA64_DIR64MSB 0x26 /* word64 MSB S + A */ +#define R_IA64_DIR64LSB 0x27 /* word64 LSB S + A */ +#define R_IA64_FPTR64MSB 0x46 /* word64 MSB @fptr(S + A) */ +#define R_IA64_FPTR64LSB 0x47 /* word64 LSB @fptr(S + A) */ +#define R_IA64_REL64MSB 0x6e /* word64 MSB BD + A */ +#define R_IA64_REL64LSB 0x6f /* word64 LSB BD + A */ +#define R_IA64_IPLTLSB 0x81 /* function descriptor LSB speciaal */ + +ENTRY(_start, 2) + alloc loc0=ar.pfs,2,3,3,0 + mov loc1=rp + movl loc2=@gprel(ImageBase) + ;; + add loc2=gp,loc2 + ;; + mov out0=loc2 + mov out1=in1 + ;; + br.call.sptk.few rp=_reloc // relocate image + + cmp.ne p6,p0=EFI_SUCCESS,r8 // did it work? +(p6) br.cond.dpnt.few 9f + + mov out0=in0 // image_handle + mov out1=in1 // system_table + br.call.sptk.few rp=efi_main +9: + mov ar.pfs=loc0 + mov rp=loc1 + ;; + br.ret.sptk.few rp +END(_start) + + // PLABEL for PE32+ + .global _start_plabel + .section .plabel, "a" + .align 16 +_start_plabel: + .quad _start + .quad __gp + .previous + + // A PE32+ relocation entry for the plabel + + .section .reloc, "a" + .long _start_plabel + .long 12 + .short (10 << 12) + 0 + .short (10 << 12) + 8 + .previous + +// in0: image base +// in1: system table +// +// XXX Assumes PLT relocations are of type Elf_Rela +// +// r2 = address of fptr_storage +// r3 = address of fptr_storage_end +// r4 = address of first free fptr +// +// r15 = r_offset +// r16 = r_info -OR- d_tag +// r17 = r_addend -OR- d_val (=d_ptr) +// r18 = address of .rela dynamic section +// r19 = size of .rela section +// r20 = size of .rela element (Elf_Rela) +// r21 = address of first PLT relocation +// r22 = size of PLT relocations +// r23 = relocation type +// r24 = address of symbol +// r28 = R_IA64_IPLTLSB +// f8 = address of symbol table +// f9 = size of symtab element + +STATIC_ENTRY(_reloc, 2) + alloc loc0=ar.pfs,2,2,0,0 + ;; + mov loc1=rp + movl r29=@gprel(_DYNAMIC) // find _DYNAMIC etc. + ;; + add r15=r29,gp + movl r29=@gprel(fptr_storage) + ;; + add r2=r29,gp + movl r29=@gprel(fptr_storage_end) + ;; + add r3=r29,gp + mov r4=r2 + mov r19=0 + mov r22=0 + mov r20=24 + mov r28=R_IA64_IPLTLSB + ;; +1: + ld8 r16=[r15],8 // read r15->d_tag + ;; + ld8 r17=[r15],8 // and r15->d_val + ;; + cmp.eq p6,p0=DT_NULL,r16 // done? +(p6) br.cond.dpnt.few 2f + ;; + cmp.eq p6,p0=DT_RELA,r16 // rela section? + ;; +(p6) add r18=r17,in0 + cmp.eq p6,p0=DT_RELASZ,r16 // rela section size? + ;; +(p6) mov r19=r17 + cmp.eq p6,p0=DT_RELAENT,r16 // rela entry size? + ;; +(p6) mov r20=r17 + cmp.eq p6,p0=DT_JMPREL,r16 // PLT relocs? + ;; +(p6) add r21=r17,in0 + cmp.eq p6,p0=DT_PLTRELSZ,r16 // PLT relocs size? + ;; +(p6) mov r22=r17 + cmp.eq p6,p0=DT_SYMTAB,r16 // symbol table? + ;; +(p6) add r29=r17,in0 + ;; +(p6) setf.sig f8=r29 + cmp.eq p6,p0=DT_SYMENT,r16 // symbol entry size? + ;; +(p6) setf.sig f9=r17 + br.dptk 1b + +2: + cmp.lt p6,p0=0,r19 +(p6) br.cond.dptk 3f + ;; + mov r19=r22 + mov r18=r21 + mov r21=0 + mov r22=0 + ;; + cmp.lt p6,p0=0,r19 +(p6) br.cond.dptk 3f + ;; + mov r8=EFI_SUCCESS + br.dptk 9f +3: + ld8 r29=[r18],8 // read r_offset + ;; + ld8 r16=[r18],8 // read r_info + add r15=r29,in0 // relocate r_offset + ;; + ld8 r17=[r18],8 // read r_addend + sub r19=r19,r20 // update relasz + extr.u r23=r16,0,32 // ELF64_R_TYPE(r16) + ;; + cmp.eq p6,p0=R_IA64_NONE,r23 +(p6) br.cond.dpnt.few 2b + ;; + cmp.eq p6,p0=R_IA64_REL64LSB,r23 +(p6) br.cond.dptk.few 4f + ;; + extr.u r29=r16,32,32 // ELF64_R_SYM(r16) + ;; + setf.sig f10=r29 // so we can multiply + ;; + xma.lu f10=f10,f9,f8 // f10=symtab + r_sym*syment + ;; + getf.sig r29=f10 + ;; + add r29=8,r29 // address of st_value + ;; + ld8 r29=[r29] // read symbol value + ;; + add r24=r29,in0 // relocate symbol value + ;; + cmp.eq p6,p0=R_IA64_DIR64LSB,r23 +(p6) br.cond.dptk.few 5f + ;; + cmp.eq p6,p0=R_IA64_FPTR64LSB,r23 +(p6) br.cond.dptk.few 6f + ;; + cmp.ne p6,p0=r28,r23 // IPLTLSB +(p6) br.cond.dptk.few 2b + + // IPLTLSB + add r29=r24,r17 // S + A + ;; + st8 [r15]=r29,8 // fdesc:FP + ;; + st8 [r15]=gp // fdesc:GP + br.cond.sptk.few 2b + + // REL64LSB +4: + add r29=in0,r17 // BD + A + ;; + st8 [r15]=r29 // word64 + br.cond.sptk.few 2b + + // DIR64LSB +5: + add r29=r24,r17 // S + A + ;; + st8 [r15]=r29 // word64 + br.cond.sptk.few 2b + +6: + mov r29=r2 // FPTR64LSB + ;; +7: + cmp.geu p6,p0=r29,r4 // end of fptrs? +(p6) br.cond.dpnt.few 8f // can't find existing fptr + ld8 r17=[r29] // read function from fptr + ;; + cmp.eq p6,p0=r24,r17 // same function? + ;; +(p6) st8 [r15]=r29 // reuse fptr +(p6) br.cond.sptk.few 2b // done + add r29=16,r29 // next fptr + br.sptk.few 7b +8: + mov r8=EFI_BUFFER_TOO_SMALL // failure return value + cmp.geu p6,p0=r4,r3 // space left? +(p6) br.cond.dpnt.few 9f // bail out + st8 [r15]=r4 // install fptr + ;; + st8 [r4]=r24,8 // write fptr address + ;; + st8 [r4]=gp,8 // write fptr gp + br.cond.sptk.few 2b + +9: + mov ar.pfs=loc0 + mov rp=loc1 + ;; + br.ret.sptk.few rp +END(_reloc) + + .data + .align 16 +fptr_storage: + .space 1024*16 // XXX +fptr_storage_end: diff --git a/sys/boot/efi/libefi/bootinfo.c b/sys/boot/efi/libefi/bootinfo.c new file mode 100644 index 0000000..076aed1 --- /dev/null +++ b/sys/boot/efi/libefi/bootinfo.c @@ -0,0 +1,348 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * 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. + * + * $FreeBSD$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/param.h> +#include <sys/reboot.h> +#include <sys/linker.h> +#include <machine/elf.h> +#include <machine/bootinfo.h> + +#include <efi.h> +#include <efilib.h> + +#include "bootstrap.h" + +static EFI_GUID hcdp = HCDP_TABLE_GUID; + +/* + * Return a 'boothowto' value corresponding to the kernel arguments in + * (kargs) and any relevant environment variables. + */ +static struct +{ + const char *ev; + int mask; +} howto_names[] = { + {"boot_askname", RB_ASKNAME}, + {"boot_cdrom", RB_CDROM}, + {"boot_userconfig", RB_CONFIG}, + {"boot_ddb", RB_KDB}, + {"boot_gdb", RB_GDB}, + {"boot_single", RB_SINGLE}, + {"boot_verbose", RB_VERBOSE}, + {"boot_multicons", RB_MULTIPLE}, + {"boot_serial", RB_SERIAL}, + {NULL, 0} +}; + +extern char *efi_fmtdev(void *vdev); + +int +bi_getboothowto(char *kargs) +{ + char *cp; + int howto; + int active; + int i; + + /* Parse kargs */ + howto = 0; + if (kargs != NULL) { + cp = kargs; + active = 0; + while (*cp != 0) { + if (!active && (*cp == '-')) { + active = 1; + } else if (active) + switch (*cp) { + case 'a': + howto |= RB_ASKNAME; + break; + case 'c': + howto |= RB_CONFIG; + break; + case 'C': + howto |= RB_CDROM; + break; + case 'd': + howto |= RB_KDB; + break; + case 'D': + howto |= RB_MULTIPLE; + break; + case 'm': + howto |= RB_MUTE; + break; + case 'g': + howto |= RB_GDB; + break; + case 'h': + howto |= RB_SERIAL; + break; + case 'r': + howto |= RB_DFLTROOT; + break; + case 's': + howto |= RB_SINGLE; + break; + case 'v': + howto |= RB_VERBOSE; + break; + default: + active = 0; + break; + } + cp++; + } + } + /* get equivalents from the environment */ + for (i = 0; howto_names[i].ev != NULL; i++) + if (getenv(howto_names[i].ev) != NULL) + howto |= howto_names[i].mask; + if (!strcmp(getenv("console"), "comconsole")) + howto |= RB_SERIAL; + if (!strcmp(getenv("console"), "nullconsole")) + howto |= RB_MUTE; + return(howto); +} + +/* + * Copy the environment into the load area starting at (addr). + * Each variable is formatted as <name>=<value>, with a single nul + * separating each variable, and a double nul terminating the environment. + */ +vm_offset_t +bi_copyenv(vm_offset_t addr) +{ + struct env_var *ep; + + /* traverse the environment */ + for (ep = environ; ep != NULL; ep = ep->ev_next) { + efi_copyin(ep->ev_name, addr, strlen(ep->ev_name)); + addr += strlen(ep->ev_name); + efi_copyin("=", addr, 1); + addr++; + if (ep->ev_value != NULL) { + efi_copyin(ep->ev_value, addr, strlen(ep->ev_value)); + addr += strlen(ep->ev_value); + } + efi_copyin("", addr, 1); + addr++; + } + efi_copyin("", addr, 1); + addr++; + return(addr); +} + +/* + * Copy module-related data into the load area, where it can be + * used as a directory for loaded modules. + * + * Module data is presented in a self-describing format. Each datum + * is preceded by a 32-bit identifier and a 32-bit size field. + * + * Currently, the following data are saved: + * + * MOD_NAME (variable) module name (string) + * MOD_TYPE (variable) module type (string) + * MOD_ARGS (variable) module parameters (string) + * MOD_ADDR sizeof(vm_offset_t) module load address + * MOD_SIZE sizeof(size_t) module size + * MOD_METADATA (variable) type-specific metadata + */ +#define COPY32(v, a) { \ + u_int32_t x = (v); \ + efi_copyin(&x, a, sizeof(x)); \ + a += sizeof(x); \ +} + +#define MOD_STR(t, a, s) { \ + COPY32(t, a); \ + COPY32(strlen(s) + 1, a); \ + efi_copyin(s, a, strlen(s) + 1); \ + a += roundup(strlen(s) + 1, sizeof(u_int64_t));\ +} + +#define MOD_NAME(a, s) MOD_STR(MODINFO_NAME, a, s) +#define MOD_TYPE(a, s) MOD_STR(MODINFO_TYPE, a, s) +#define MOD_ARGS(a, s) MOD_STR(MODINFO_ARGS, a, s) + +#define MOD_VAR(t, a, s) { \ + COPY32(t, a); \ + COPY32(sizeof(s), a); \ + efi_copyin(&s, a, sizeof(s)); \ + a += roundup(sizeof(s), sizeof(u_int64_t)); \ +} + +#define MOD_ADDR(a, s) MOD_VAR(MODINFO_ADDR, a, s) +#define MOD_SIZE(a, s) MOD_VAR(MODINFO_SIZE, a, s) + +#define MOD_METADATA(a, mm) { \ + COPY32(MODINFO_METADATA | mm->md_type, a); \ + COPY32(mm->md_size, a); \ + efi_copyin(mm->md_data, a, mm->md_size); \ + a += roundup(mm->md_size, sizeof(u_int64_t));\ +} + +#define MOD_END(a) { \ + COPY32(MODINFO_END, a); \ + COPY32(0, a); \ +} + +vm_offset_t +bi_copymodules(vm_offset_t addr) +{ + struct preloaded_file *fp; + struct file_metadata *md; + + /* start with the first module on the list, should be the kernel */ + for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) { + + MOD_NAME(addr, fp->f_name); /* this field must come first */ + MOD_TYPE(addr, fp->f_type); + if (fp->f_args) + MOD_ARGS(addr, fp->f_args); + MOD_ADDR(addr, fp->f_addr); + MOD_SIZE(addr, fp->f_size); + for (md = fp->f_metadata; md != NULL; md = md->md_next) + if (!(md->md_type & MODINFOMD_NOCOPY)) + MOD_METADATA(addr, md); + } + MOD_END(addr); + return(addr); +} + +/* + * Load the information expected by an alpha kernel. + * + * - The kernel environment is copied into kernel space. + * - Module metadata are formatted and placed in kernel space. + */ +int +bi_load(struct bootinfo *bi, struct preloaded_file *fp, UINTN *mapkey, + UINTN pages) +{ + char *rootdevname; + struct efi_devdesc *rootdev; + struct preloaded_file *xp; + vm_offset_t addr, bootinfo_addr; + vm_offset_t ssym, esym; + struct file_metadata *md; + EFI_STATUS status; + UINTN bisz, key; + + /* + * Version 1 bootinfo. + */ + bi->bi_magic = BOOTINFO_MAGIC; + bi->bi_version = 1; + + /* + * Calculate boothowto. + */ + bi->bi_boothowto = bi_getboothowto(fp->f_args); + + /* + * Stash EFI System Table. + */ + bi->bi_systab = (u_int64_t) ST; + + /* + * 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"); + efi_getdev((void **)(&rootdev), rootdevname, NULL); + if (rootdev == NULL) { /* bad $rootdev/$currdev */ + printf("can't determine root device\n"); + return(EINVAL); + } + + /* Try reading the /etc/fstab file to select the root device */ + getrootmount(efi_fmtdev((void *)rootdev)); + free(rootdev); + + ssym = esym = 0; + if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL) + ssym = *((vm_offset_t *)&(md->md_data)); + if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL) + esym = *((vm_offset_t *)&(md->md_data)); + if (ssym == 0 || esym == 0) + ssym = esym = 0; /* sanity */ + + bi->bi_symtab = ssym; + bi->bi_esymtab = esym; + + bi->bi_hcdp = (uint64_t)efi_get_table(&hcdp); /* DIG64 HCDP table addr. */ + fpswa_init(&bi->bi_fpswa); /* find FPSWA interface */ + + /* find the last module in the chain */ + 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 = (addr + PAGE_MASK) & ~PAGE_MASK; + + /* copy our environment */ + bi->bi_envp = addr; + addr = bi_copyenv(addr); + + /* pad to a page boundary */ + addr = (addr + PAGE_MASK) & ~PAGE_MASK; + + /* copy module list and metadata */ + bi->bi_modulep = addr; + addr = bi_copymodules(addr); + + /* all done copying stuff in, save end of loaded object space */ + bi->bi_kernend = addr; + + /* + * Read the memory map and stash it after bootinfo. Align the memory map + * on a 16-byte boundary (the bootinfo block is page aligned). + */ + bisz = (sizeof(struct bootinfo) + 0x0f) & ~0x0f; + bi->bi_memmap = ((u_int64_t)bi) + bisz; + bi->bi_memmap_size = EFI_PAGE_SIZE * pages - bisz; + status = BS->GetMemoryMap(&bi->bi_memmap_size, + (EFI_MEMORY_DESCRIPTOR *)bi->bi_memmap, &key, + &bi->bi_memdesc_size, &bi->bi_memdesc_version); + if (EFI_ERROR(status)) { + printf("bi_load: Can't read memory map\n"); + return EINVAL; + } + *mapkey = key; + + return(0); +} diff --git a/sys/boot/efi/libefi/copy.c b/sys/boot/efi/libefi/copy.c new file mode 100644 index 0000000..7bc4edf --- /dev/null +++ b/sys/boot/efi/libefi/copy.c @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * MD primitives supporting placement of module data + */ +#include <stand.h> + +#include <efi.h> +#include <efilib.h> +#include <machine/ia64_cpu.h> +#include <machine/vmparam.h> + +int +efi_copyin(void *src, vm_offset_t dest, size_t len) +{ + EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest); +#if 0 + BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData, + len >> 12, &p); +#endif + bcopy(src, (void*) p, len); + return (len); +} + +int +efi_copyout(vm_offset_t src, void *dest, size_t len) +{ + bcopy((void*) IA64_RR_MASK(src), dest, len); + return (len); +} + +int +efi_readin(int fd, vm_offset_t dest, size_t len) +{ + EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest); +#if 0 + BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData, + len >> 12, &p); +#endif + return (read(fd, (void*) p, len)); +} diff --git a/sys/boot/efi/libefi/delay.c b/sys/boot/efi/libefi/delay.c new file mode 100644 index 0000000..723f681 --- /dev/null +++ b/sys/boot/efi/libefi/delay.c @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2001 Doug Rabson + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <efi.h> +#include <efilib.h> + +void +delay(int usecs) +{ + static EFI_EVENT ev = 0; + UINTN junk; + + if (!ev) { + if (BS->CreateEvent(EVT_TIMER, TPL_APPLICATION, 0, 0, &ev) + != EFI_SUCCESS) + return; + } + + BS->SetTimer(ev, TimerRelative, usecs * 10); + BS->WaitForEvent(1, &ev, &junk); +} diff --git a/sys/boot/efi/libefi/devicename.c b/sys/boot/efi/libefi/devicename.c new file mode 100644 index 0000000..dda2fb0 --- /dev/null +++ b/sys/boot/efi/libefi/devicename.c @@ -0,0 +1,240 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * 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. + * + * $FreeBSD$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/disklabel.h> +#include "bootstrap.h" + +#include <efi.h> +#include <efilib.h> +#include "efiboot.h" + +static int efi_parsedev(struct efi_devdesc **dev, const char *devspec, const char **path); + +/* + * Point (dev) at an allocated device specifier for the device matching the + * path in (devspec). If it contains an explicit device specification, + * use that. If not, use the default device. + */ +int +efi_getdev(void **vdev, const char *devspec, const char **path) +{ + struct efi_devdesc **dev = (struct efi_devdesc **)vdev; + int rv; + + /* + * If it looks like this is just a path and no + * device, go with the current device. + */ + if ((devspec == NULL) || + (devspec[0] == '/') || + (strchr(devspec, ':') == NULL)) { + + if (((rv = efi_parsedev(dev, getenv("currdev"), NULL)) == 0) && + (path != NULL)) + *path = devspec; + return(rv); + } + + /* + * Try to parse the device name off the beginning of the devspec + */ + return(efi_parsedev(dev, devspec, path)); +} + +/* + * Point (dev) at an allocated device specifier matching the string version + * at the beginning of (devspec). Return a pointer to the remaining + * text in (path). + * + * In all cases, the beginning of (devspec) is compared to the names + * of known devices in the device switch, and then any following text + * is parsed according to the rules applied to the device type. + * + * For disk-type devices, the syntax is: + * + * disk<unit>[s<slice>][<partition>]: + * + */ +static int +efi_parsedev(struct efi_devdesc **dev, const char *devspec, const char **path) +{ + struct efi_devdesc *idev; + struct devsw *dv; + int i, unit, slice, partition, err; + char *cp; + const char *np; + + /* minimum length check */ + if (strlen(devspec) < 2) + return(EINVAL); + + /* look for a device that matches */ + for (i = 0, dv = NULL; devsw[i] != NULL; i++) { + if (!strncmp(devspec, devsw[i]->dv_name, strlen(devsw[i]->dv_name))) { + dv = devsw[i]; + break; + } + } + + if (dv == NULL) + return(ENOENT); + idev = malloc(sizeof(struct efi_devdesc)); + err = 0; + np = (devspec + strlen(dv->dv_name)); + + switch(dv->dv_type) { + case DEVT_NONE: /* XXX what to do here? Do we care? */ + break; + + case DEVT_DISK: + unit = -1; + slice = -1; + partition = -1; + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 10); /* next comes the unit number */ + if (cp == np) { + err = EUNIT; + goto fail; + } + if (*cp == 's') { /* got a slice number */ + np = cp + 1; + slice = strtol(np, &cp, 10); + if (cp == np) { + err = ESLICE; + goto fail; + } + } + if (*cp && (*cp != ':')) { + partition = *cp - 'a'; /* get a partition number */ + if ((partition < 0) || (partition >= MAXPARTITIONS)) { + err = EPART; + goto fail; + } + cp++; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.efidisk.unit = unit; + idev->d_kind.efidisk.slice = slice; + idev->d_kind.efidisk.partition = partition; + + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + case DEVT_NET: + unit = 0; + + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 0); /* get unit number if present */ + if (cp == np) { + err = EUNIT; + goto fail; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.netif.unit = unit; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + default: + err = EINVAL; + goto fail; + } + idev->d_dev = dv; + idev->d_type = dv->dv_type; + if (dev == NULL) { + free(idev); + } else { + *dev = idev; + } + return(0); + + fail: + free(idev); + return(err); +} + + +char * +efi_fmtdev(void *vdev) +{ + struct efi_devdesc *dev = (struct efi_devdesc *)vdev; + static char buf[128]; /* XXX device length constant? */ + char *cp; + + switch(dev->d_type) { + case DEVT_NONE: + strcpy(buf, "(no device)"); + break; + + case DEVT_DISK: + cp = buf; + cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_kind.efidisk.unit); + if (dev->d_kind.efidisk.slice > 0) + cp += sprintf(cp, "s%d", dev->d_kind.efidisk.slice); + if (dev->d_kind.efidisk.partition >= 0) + cp += sprintf(cp, "%c", dev->d_kind.efidisk.partition + 'a'); + strcat(cp, ":"); + break; + + case DEVT_NET: + sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_kind.netif.unit); + break; + } + return(buf); +} + + +/* + * Set currdev to suit the value being supplied in (value) + */ +int +efi_setcurrdev(struct env_var *ev, int flags, void *value) +{ + struct efi_devdesc *ncurr; + int rv; + + if ((rv = efi_parsedev(&ncurr, value, NULL)) != 0) + return(rv); + free(ncurr); + env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); + return(0); +} + diff --git a/sys/boot/efi/libefi/efi_console.c b/sys/boot/efi/libefi/efi_console.c new file mode 100644 index 0000000..c88462e --- /dev/null +++ b/sys/boot/efi/libefi/efi_console.c @@ -0,0 +1,98 @@ +/*- + * Copyright (c) 2000 Doug Rabson + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <efi.h> +#include <efilib.h> + +#include "bootstrap.h" + +static SIMPLE_TEXT_OUTPUT_INTERFACE *conout; +static SIMPLE_INPUT_INTERFACE *conin; + +static void +efi_cons_probe(struct console *cp) +{ + conout = ST->ConOut; + conin = ST->ConIn; + cp->c_flags |= C_PRESENTIN | C_PRESENTOUT; +} + +static int +efi_cons_init(int arg) +{ + return 0; +} + +void +efi_cons_putchar(int c) +{ + CHAR16 buf[2]; + + if (c == '\n') + efi_cons_putchar('\r'); + + buf[0] = c; + buf[1] = 0; + + conout->OutputString(conout, buf); +} + +int +efi_cons_getchar() +{ + EFI_INPUT_KEY key; + EFI_STATUS status; + UINTN junk; + + /* Try to read a key stroke. We wait for one if none is pending. */ + status = conin->ReadKeyStroke(conin, &key); + if (status == EFI_NOT_READY) { + BS->WaitForEvent(1, &conin->WaitForKey, &junk); + status = conin->ReadKeyStroke(conin, &key); + } + return (key.UnicodeChar); +} + +int +efi_cons_poll() +{ + /* This can clear the signaled state. */ + return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS); +} + +struct console efi_console = { + "efi", + "EFI console", + 0, + efi_cons_probe, + efi_cons_init, + efi_cons_putchar, + efi_cons_getchar, + efi_cons_poll +}; diff --git a/sys/boot/efi/libefi/efiboot.h b/sys/boot/efi/libefi/efiboot.h new file mode 100644 index 0000000..18af3f4 --- /dev/null +++ b/sys/boot/efi/libefi/efiboot.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1996 + * Matthias Drochner. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. + * + * $FreeBSD$ + */ + +/* + * EFI fully-qualified device descriptor + */ +struct efi_devdesc { + struct devsw *d_dev; + int d_type; +#define DEVT_NONE 0 +#define DEVT_DISK 1 +#define DEVT_NET 2 + EFI_HANDLE d_handle; + union { + struct { + int unit; + int slice; + int partition; + } efidisk; + struct { + int unit; /* XXX net layer lives over these? */ + } netif; + } d_kind; +}; + +extern int efi_getdev(void **vdev, const char *devspec, const char **path); +extern char *efi_fmtdev(void *vdev); +extern int efi_setcurrdev(struct env_var *ev, int flags, void *value); + +#define MAXDEV 31 /* maximum number of distinct devices */ + +typedef unsigned long physaddr_t; + +/* exported devices XXX rename? */ +extern struct devsw efifs_dev; +extern struct devsw efi_disk; +extern struct netif_driver efi_net; + +/* Find EFI network resources */ +extern void efinet_init_driver(void); + +/* Map handles to units */ +int efifs_get_unit(EFI_HANDLE); + +/* Wrapper over EFI filesystems. */ +extern struct fs_ops efi_fsops; + +/* this is in startup code */ +extern void delay(int); +extern void reboot(void); + +extern ssize_t efi_copyin(const void *src, vm_offset_t dest, size_t len); +extern ssize_t efi_copyout(const vm_offset_t src, void *dest, size_t len); +extern ssize_t efi_readin(int fd, vm_offset_t dest, size_t len); + +extern int efi_boot(void); +extern int efi_autoload(void); + +extern int fpswa_init(u_int64_t *fpswa_interface); + +struct bootinfo; +struct preloaded_file; +extern int bi_load(struct bootinfo *, struct preloaded_file *, + UINTN *mapkey, UINTN pages); diff --git a/sys/boot/efi/libefi/efifpswa.c b/sys/boot/efi/libefi/efifpswa.c new file mode 100644 index 0000000..b3bff92 --- /dev/null +++ b/sys/boot/efi/libefi/efifpswa.c @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org> + * 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/time.h> +#include <stddef.h> +#include <stand.h> +#include <stdarg.h> + +#include <efi.h> +#include <efilib.h> +#include "efiboot.h" + +int +fpswa_init(u_int64_t *fpswa_interface) +{ + EFI_STATUS status; + static EFI_GUID fpswaid = EFI_INTEL_FPSWA; + UINTN sz; + EFI_HANDLE fpswa_handle; + FPSWA_INTERFACE *fpswa; + + *fpswa_interface = 0; + sz = sizeof(EFI_HANDLE); + status = BS->LocateHandle(ByProtocol, &fpswaid, 0, &sz, &fpswa_handle); + if (EFI_ERROR(status)) + return ENOENT; + + status = BS->HandleProtocol(fpswa_handle, &fpswaid, (VOID **)&fpswa); + if (EFI_ERROR(status)) + return ENOENT; + *fpswa_interface = (u_int64_t)fpswa; + return 0; +} diff --git a/sys/boot/efi/libefi/efifs.c b/sys/boot/efi/libefi/efifs.c new file mode 100644 index 0000000..cf89a9d --- /dev/null +++ b/sys/boot/efi/libefi/efifs.c @@ -0,0 +1,401 @@ +/*- + * Copyright (c) 2001 Doug Rabson + * 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/time.h> +#include <stddef.h> +#include <stand.h> +#include <stdarg.h> + +#include <efi.h> +#include <efilib.h> +#include "efiboot.h" + +/* Perform I/O in blocks of size EFI_BLOCK_SIZE. */ +#define EFI_BLOCK_SIZE (1024 * 1024) + +static int +efifs_open(const char *upath, struct open_file *f) +{ + struct efi_devdesc *dev = f->f_devdata; + static EFI_GUID sfsid = SIMPLE_FILE_SYSTEM_PROTOCOL; + EFI_FILE_IO_INTERFACE *sfs; + EFI_FILE *root; + EFI_FILE *file; + EFI_STATUS status; + CHAR16 *cp; + CHAR16 *path; + + /* + * We cannot blindly assume that f->f_devdata points to a + * efi_devdesc structure. Before we dereference 'dev', make + * sure that the underlying device is ours. + */ + if (f->f_dev != &efifs_dev || dev->d_handle == NULL) + return ENOENT; + + status = BS->HandleProtocol(dev->d_handle, &sfsid, (VOID **)&sfs); + if (EFI_ERROR(status)) + return ENOENT; + + /* + * Find the root directory. + */ + status = sfs->OpenVolume(sfs, &root); + + /* + * Convert path to CHAR16, skipping leading separators. + */ + while (*upath == '/') + upath++; + if (!*upath) { + /* Opening the root directory, */ + f->f_fsdata = root; + return 0; + } + cp = path = malloc((strlen(upath) + 1) * sizeof(CHAR16)); + if (path == NULL) + return ENOMEM; + while (*upath) { + if (*upath == '/') + *cp = '\\'; + else + *cp = *upath; + upath++; + cp++; + } + *cp++ = 0; + + /* + * Try to open it. + */ + status = root->Open(root, &file, path, EFI_FILE_MODE_READ, 0); + free(path); + if (EFI_ERROR(status)) { + root->Close(root); + return ENOENT; + } + + root->Close(root); + f->f_fsdata = file; + return 0; +} + +static int +efifs_close(struct open_file *f) +{ + EFI_FILE *file = f->f_fsdata; + + file->Close(file); + return 0; +} + +static int +efifs_read(struct open_file *f, void *buf, size_t size, size_t *resid) +{ + EFI_FILE *file = f->f_fsdata; + EFI_STATUS status; + UINTN sz = size; + char *bufp; + + bufp = buf; + while (size > 0) { + sz = size; + if (sz > EFI_BLOCK_SIZE) + sz = EFI_BLOCK_SIZE; + status = file->Read(file, &sz, bufp); + twiddle(); + if (EFI_ERROR(status)) + return EIO; + if (sz == 0) + break; + size -= sz; + bufp += sz; + } + if (resid) + *resid = size; + return 0; +} + +static int +efifs_write(struct open_file *f, void *buf, size_t size, size_t *resid) +{ + EFI_FILE *file = f->f_fsdata; + EFI_STATUS status; + UINTN sz = size; + char *bufp; + + bufp = buf; + while (size > 0) { + sz = size; + if (sz > EFI_BLOCK_SIZE) + sz = EFI_BLOCK_SIZE; + status = file->Write(file, &sz, bufp); + twiddle(); + if (EFI_ERROR(status)) + return EIO; + if (sz == 0) + break; + size -= sz; + bufp += sz; + } + if (resid) + *resid = size; + return 0; +} + +static off_t +efifs_seek(struct open_file *f, off_t offset, int where) +{ + EFI_FILE *file = f->f_fsdata; + EFI_STATUS status; + UINT64 base; + UINTN sz; + static EFI_GUID infoid = EFI_FILE_INFO_ID; + EFI_FILE_INFO info; + + switch (where) { + case SEEK_SET: + base = 0; + break; + + case SEEK_CUR: + status = file->GetPosition(file, &base); + if (EFI_ERROR(status)) + return -1; + break; + + case SEEK_END: + sz = sizeof(info); + status = file->GetInfo(file, &infoid, &sz, &info); + if (EFI_ERROR(status)) + return -1; + base = info.FileSize; + break; + } + + status = file->SetPosition(file, base + offset); + if (EFI_ERROR(status)) + return -1; + file->GetPosition(file, &base); + + return base; +} + +static int +efifs_stat(struct open_file *f, struct stat *sb) +{ + EFI_FILE *file = f->f_fsdata; + EFI_STATUS status; + char *buf; + UINTN sz; + static EFI_GUID infoid = EFI_FILE_INFO_ID; + EFI_FILE_INFO *info; + + bzero(sb, sizeof(*sb)); + + buf = malloc(1024); + sz = 1024; + + status = file->GetInfo(file, &infoid, &sz, buf); + if (EFI_ERROR(status)) { + free(buf); + return -1; + } + + info = (EFI_FILE_INFO *) buf; + + if (info->Attribute & EFI_FILE_READ_ONLY) + sb->st_mode = S_IRUSR; + else + sb->st_mode = S_IRUSR | S_IWUSR; + if (info->Attribute & EFI_FILE_DIRECTORY) + sb->st_mode |= S_IFDIR; + else + sb->st_mode |= S_IFREG; + sb->st_size = info->FileSize; + + free(buf); + return 0; +} + +static int +efifs_readdir(struct open_file *f, struct dirent *d) +{ + EFI_FILE *file = f->f_fsdata; + EFI_STATUS status; + char *buf; + UINTN sz; + EFI_FILE_INFO *info; + int i; + + buf = malloc(1024); + sz = 1024; + + status = file->Read(file, &sz, buf); + if (EFI_ERROR(status) || sz < offsetof(EFI_FILE_INFO, FileName)) + return ENOENT; + + info = (EFI_FILE_INFO *) buf; + + d->d_fileno = 0; + d->d_reclen = sizeof(*d); + if (info->Attribute & EFI_FILE_DIRECTORY) + d->d_type = DT_DIR; + else + d->d_type = DT_REG; + d->d_namlen = ((info->Size - offsetof(EFI_FILE_INFO, FileName)) + / sizeof(CHAR16)); + for (i = 0; i < d->d_namlen; i++) + d->d_name[i] = info->FileName[i]; + d->d_name[i] = 0; + + free(buf); + return 0; +} + +struct fs_ops efi_fsops = { + "fs", + efifs_open, + efifs_close, + efifs_read, + efifs_write, + efifs_seek, + efifs_stat, + efifs_readdir +}; + +static EFI_HANDLE *fs_handles; +UINTN fs_handle_count; + +int +efifs_get_unit(EFI_HANDLE h) +{ + UINTN u; + + u = 0; + while (u < fs_handle_count && fs_handles[u] != h) + u++; + return ((u < fs_handle_count) ? u : -1); +} + +static int +efifs_dev_init(void) +{ + EFI_STATUS status; + UINTN sz; + static EFI_GUID sfsid = SIMPLE_FILE_SYSTEM_PROTOCOL; + + sz = 0; + status = BS->LocateHandle(ByProtocol, &sfsid, 0, &sz, 0); + if (status != EFI_BUFFER_TOO_SMALL) + return ENOENT; + fs_handles = (EFI_HANDLE *) malloc(sz); + status = BS->LocateHandle(ByProtocol, &sfsid, 0, + &sz, fs_handles); + if (EFI_ERROR(status)) { + free(fs_handles); + return ENOENT; + } + fs_handle_count = sz / sizeof(EFI_HANDLE); + + return 0; +} + +/* + * Print information about disks + */ +static void +efifs_dev_print(int verbose) +{ + int i; + char line[80]; + + for (i = 0; i < fs_handle_count; i++) { + sprintf(line, " fs%d: EFI filesystem", i); + pager_output(line); + /* XXX more detail? */ + pager_output("\n"); + } +} + +/* + * Attempt to open the disk described by (dev) for use by (f). + * + * Note that the philosophy here is "give them exactly what + * they ask for". This is necessary because being too "smart" + * about what the user might want leads to complications. + * (eg. given no slice or partition value, with a disk that is + * sliced - are they after the first BSD slice, or the DOS + * slice before it?) + */ +static int +efifs_dev_open(struct open_file *f, ...) +{ + va_list args; + struct efi_devdesc *dev; + int unit; + + va_start(args, f); + dev = va_arg(args, struct efi_devdesc*); + va_end(args); + + unit = dev->d_kind.efidisk.unit; + if (unit < 0 || unit >= fs_handle_count) { + printf("attempt to open nonexistent EFI filesystem\n"); + return(ENXIO); + } + + dev->d_handle = fs_handles[unit]; + + return 0; +} + +static int +efifs_dev_close(struct open_file *f) +{ + + return 0; +} + +static int +efifs_dev_strategy(void *devdata, int rw, daddr_t dblk, size_t size, char *buf, size_t *rsize) +{ + return 0; +} + +struct devsw efifs_dev = { + "fs", + DEVT_DISK, + efifs_dev_init, + efifs_dev_strategy, + efifs_dev_open, + efifs_dev_close, + noioctl, + efifs_dev_print +}; diff --git a/sys/boot/efi/libefi/efinet.c b/sys/boot/efi/libefi/efinet.c new file mode 100644 index 0000000..85814f9 --- /dev/null +++ b/sys/boot/efi/libefi/efinet.c @@ -0,0 +1,267 @@ +/*- + * Copyright (c) 2001 Doug Rabson + * 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> + +#include <stand.h> +#include <net.h> +#include <netif.h> + +#include <efi.h> +#include <efilib.h> + +extern struct netif_driver efi_net; + +#ifdef EFINET_DEBUG +static void +dump_mode(EFI_SIMPLE_NETWORK_MODE *mode) +{ + int i; + + printf("State = %x\n", mode->State); + printf("HwAddressSize = %u\n", mode->HwAddressSize); + printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize); + printf("MaxPacketSize = %u\n", mode->MaxPacketSize); + printf("NvRamSize = %u\n", mode->NvRamSize); + printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize); + printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask); + printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting); + printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount); + printf("MCastFilterCount = %u\n", mode->MCastFilterCount); + printf("MCastFilter = {"); + for (i = 0; i < mode->MCastFilterCount; i++) + printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr)); + printf(" }\n"); + printf("CurrentAddress = %s\n", + ether_sprintf(mode->CurrentAddress.Addr)); + printf("BroadcastAddress = %s\n", + ether_sprintf(mode->BroadcastAddress.Addr)); + printf("PermanentAddress = %s\n", + ether_sprintf(mode->PermanentAddress.Addr)); + printf("IfType = %u\n", mode->IfType); + printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable); + printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported); + printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported); + printf("MediaPresent = %d\n", mode->MediaPresent); +} +#endif + +int +efinet_match(struct netif *nif, void *machdep_hint) +{ + + return (1); +} + +int +efinet_probe(struct netif *nif, void *machdep_hint) +{ + + return (0); +} + +int +efinet_put(struct iodesc *desc, void *pkt, size_t len) +{ + struct netif *nif = desc->io_netif; + EFI_SIMPLE_NETWORK *net; + EFI_STATUS status; + void *buf; + + net = nif->nif_devdata; + + status = net->Transmit(net, 0, len, pkt, 0, 0, 0); + if (status != EFI_SUCCESS) + return -1; + + /* Wait for the buffer to be transmitted */ + do { + buf = 0; /* XXX Is this needed? */ + status = net->GetStatus(net, 0, &buf); + /* + * XXX EFI1.1 and the E1000 card returns a different + * address than we gave. Sigh. + */ + } while (status == EFI_SUCCESS && buf == 0); + + /* XXX How do we deal with status != EFI_SUCCESS now? */ + return (status == EFI_SUCCESS) ? len : -1; +} + + +int +efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout) +{ + struct netif *nif = desc->io_netif; + EFI_SIMPLE_NETWORK *net; + EFI_STATUS status; + UINTN bufsz; + time_t t; + char buf[2048]; + + net = nif->nif_devdata; + + t = time(0); + while ((time(0) - t) < timeout) { + bufsz = sizeof(buf); + status = net->Receive(net, 0, &bufsz, buf, 0, 0, 0); + if (status == EFI_SUCCESS) { + /* + * XXX EFI1.1 and the E1000 card trash our + * workspace if we do not do this silly copy. + * Either they are not respecting the len + * value or do not like the alignment. + */ + if (bufsz > len) + bufsz = len; + bcopy(buf, pkt, bufsz); + return bufsz; + } + if (status != EFI_NOT_READY) + return 0; + } + + return 0; +} + +void +efinet_init(struct iodesc *desc, void *machdep_hint) +{ + struct netif *nif = desc->io_netif; + EFI_SIMPLE_NETWORK *net; + EFI_STATUS status; + + net = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private; + nif->nif_devdata = net; + + if (net->Mode->State == EfiSimpleNetworkStopped) { + status = net->Start(net); + if (status != EFI_SUCCESS) { + printf("net%d: cannot start interface (status=%ld)\n", + nif->nif_unit, status); + return; + } + } + + if (net->Mode->State != EfiSimpleNetworkInitialized) { + status = net->Initialize(net, 0, 0); + if (status != EFI_SUCCESS) { + printf("net%d: cannot init. interface (status=%ld)\n", + nif->nif_unit, status); + return; + } + } + + if (net->Mode->ReceiveFilterSetting == 0) { + UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST | + EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST; + + status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0); + if (status != EFI_SUCCESS) { + printf("net%d: cannot set rx. filters (status=%ld)\n", + nif->nif_unit, status); + return; + } + } + +#ifdef EFINET_DEBUG + dump_mode(net->Mode); +#endif + + bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6); + desc->xid = 1; + + return; +} + +void +efinet_init_driver() +{ + EFI_STATUS status; + UINTN sz; + static EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL; + EFI_HANDLE *handles; + int nifs, i; +#define MAX_INTERFACES 4 + static struct netif_dif difs[MAX_INTERFACES]; + static struct netif_stats stats[MAX_INTERFACES]; + + sz = 0; + status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, 0); + if (status != EFI_BUFFER_TOO_SMALL) + return; + handles = (EFI_HANDLE *) malloc(sz); + status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, handles); + if (EFI_ERROR(status)) { + free(handles); + return; + } + + nifs = sz / sizeof(EFI_HANDLE); + if (nifs > MAX_INTERFACES) + nifs = MAX_INTERFACES; + + efi_net.netif_nifs = nifs; + efi_net.netif_ifs = difs; + + bzero(stats, sizeof(stats)); + for (i = 0; i < nifs; i++) { + struct netif_dif *dif = &efi_net.netif_ifs[i]; + dif->dif_unit = i; + dif->dif_nsel = 1; + dif->dif_stats = &stats[i]; + + BS->HandleProtocol(handles[i], &netid, + (VOID**) &dif->dif_private); + } + + return; +} + +void +efinet_end(struct netif *nif) +{ + EFI_SIMPLE_NETWORK *net = nif->nif_devdata; + + net->Shutdown(net); +} + +struct netif_driver efi_net = { + "net", /* netif_bname */ + efinet_match, /* netif_match */ + efinet_probe, /* netif_probe */ + efinet_init, /* netif_init */ + efinet_get, /* netif_get */ + efinet_put, /* netif_put */ + efinet_end, /* netif_end */ + 0, /* netif_ifs */ + 0 /* netif_nifs */ +}; + diff --git a/sys/boot/efi/libefi/elf_freebsd.c b/sys/boot/efi/libefi/elf_freebsd.c new file mode 100644 index 0000000..27d2b6e --- /dev/null +++ b/sys/boot/efi/libefi/elf_freebsd.c @@ -0,0 +1,223 @@ +/* $FreeBSD$ */ +/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)boot.c 8.1 (Berkeley) 6/10/93 + */ + +#include <stand.h> +#include <string.h> + +#include <sys/param.h> +#include <sys/linker.h> +#include <machine/elf.h> +#include <machine/bootinfo.h> +#include <machine/ia64_cpu.h> +#include <machine/pte.h> +#include <machine/vmparam.h> + +#include <efi.h> +#include <efilib.h> + +#include "bootstrap.h" + +#define _KERNEL + +static int elf64_exec(struct preloaded_file *amp); + +struct file_format ia64_elf = { elf64_loadfile, elf64_exec }; + +static __inline u_int64_t +disable_ic() +{ + u_int64_t psr; + __asm __volatile("mov %0=psr;;" : "=r" (psr)); + __asm __volatile("rsm psr.ic|psr.i;; srlz.i;;"); + return psr; +} + +static __inline void +restore_ic(u_int64_t psr) +{ + __asm __volatile("mov psr.l=%0;; srlz.i" :: "r" (psr)); +} + +/* + * Entered with psr.ic and psr.i both zero. + */ +void +enter_kernel(u_int64_t start, struct bootinfo *bi) +{ + u_int64_t psr; + + __asm __volatile("srlz.i;;"); + __asm __volatile("mov cr.ipsr=%0" + :: "r"(IA64_PSR_IC + | IA64_PSR_DT + | IA64_PSR_RT + | IA64_PSR_IT + | IA64_PSR_BN)); + __asm __volatile("mov cr.iip=%0" :: "r"(start)); + __asm __volatile("mov cr.ifs=r0;;"); + __asm __volatile("mov ar.rsc=0;; flushrs;;"); + __asm __volatile("mov r8=%0" :: "r" (bi)); + __asm __volatile("rfi;;"); +} + +static int +elf64_exec(struct preloaded_file *fp) +{ + struct file_metadata *md; + Elf_Ehdr *hdr; + struct ia64_pte pte; + struct bootinfo *bi; + u_int64_t psr; + UINTN mapkey, pages, size; + UINTN descsz; + UINT32 descver; + EFI_STATUS status; + + if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) + return(EFTYPE); /* XXX actually EFUCKUP */ + hdr = (Elf_Ehdr *)&(md->md_data); + + /* + * 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 (AFAICT), so that + * one is marked as being loader data. + */ + size = 0; + descsz = sizeof(EFI_MEMORY_DESCRIPTOR); + BS->GetMemoryMap(&size, NULL, &mapkey, &descsz, &descver); + size += descsz + ((sizeof(struct bootinfo) + 0x0f) & ~0x0f); + pages = EFI_SIZE_TO_PAGES(size); + status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, pages, + (void*)&bi); + if (EFI_ERROR(status)) { + printf("unable to create bootinfo block (status=0x%lx)\n", + (long)status); + return (ENOMEM); + } + + bzero(bi, sizeof(struct bootinfo)); + bi_load(bi, fp, &mapkey, pages); + + printf("Entering %s at 0x%lx...\n", fp->f_name, hdr->e_entry); + + status = BS->ExitBootServices(IH, mapkey); + if (EFI_ERROR(status)) { + printf("ExitBootServices returned 0x%lx\n", status); + return (EINVAL); + } + + psr = disable_ic(); + + /* + * Region 6 is direct mapped UC and region 7 is direct mapped + * WC. The details of this is controlled by the Alt {I,D}TLB + * handlers. Here we just make sure that they have the largest + * possible page size to minimise TLB usage. + */ + ia64_set_rr(IA64_RR_BASE(6), (6 << 8) | (28 << 2)); + ia64_set_rr(IA64_RR_BASE(7), (7 << 8) | (28 << 2)); + + bzero(&pte, sizeof(pte)); + pte.pte_p = 1; + pte.pte_ma = PTE_MA_WB; + pte.pte_a = 1; + pte.pte_d = 1; + pte.pte_pl = PTE_PL_KERN; + pte.pte_ar = PTE_AR_RWX; + pte.pte_ppn = 0; + + __asm __volatile("mov cr.ifa=%0" :: "r"(IA64_RR_BASE(7))); + __asm __volatile("mov cr.itir=%0" :: "r"(28 << 2)); + __asm __volatile("ptr.i %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); + __asm __volatile("ptr.d %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); + __asm __volatile("srlz.i;;"); + __asm __volatile("itr.i itr[%0]=%1;;" + :: "r"(0), "r"(*(u_int64_t*)&pte)); + __asm __volatile("srlz.i;;"); + __asm __volatile("itr.d dtr[%0]=%1;;" + :: "r"(0), "r"(*(u_int64_t*)&pte)); + __asm __volatile("srlz.i;;"); + + enter_kernel(hdr->e_entry, bi); + + restore_ic(psr); +} diff --git a/sys/boot/efi/libefi/libefi.c b/sys/boot/efi/libefi/libefi.c new file mode 100644 index 0000000..563b533 --- /dev/null +++ b/sys/boot/efi/libefi/libefi.c @@ -0,0 +1,188 @@ +/*- + * Copyright (c) 2000 Doug Rabson + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <efi.h> +#include <efilib.h> +#include <stand.h> + +EFI_HANDLE IH; +EFI_SYSTEM_TABLE *ST; +EFI_BOOT_SERVICES *BS; +EFI_RUNTIME_SERVICES *RS; + +static EFI_PHYSICAL_ADDRESS heap; +static UINTN heapsize; + +static CHAR16 * +arg_skipsep(CHAR16 *argp) +{ + + while (*argp == ' ' || *argp == '\t') + argp++; + return (argp); +} + +static CHAR16 * +arg_skipword(CHAR16 *argp) +{ + + while (*argp && *argp != ' ' && *argp != '\t') + argp++; + return (argp); +} + +void * +efi_get_table(EFI_GUID *tbl) +{ + EFI_GUID *id; + int i; + + for (i = 0; i < ST->NumberOfTableEntries; i++) { + id = &ST->ConfigurationTable[i].VendorGuid; + if (!memcmp(id, tbl, sizeof(EFI_GUID))) + return (ST->ConfigurationTable[i].VendorTable); + } + return (NULL); +} + +void exit(EFI_STATUS exit_code) +{ + + BS->FreePages(heap, EFI_SIZE_TO_PAGES(heapsize)); + BS->Exit(IH, exit_code, 0, NULL); +} + +void +efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *system_table) +{ + static EFI_GUID image_protocol = LOADED_IMAGE_PROTOCOL; + EFI_LOADED_IMAGE *img; + CHAR16 *argp, *args, **argv; + EFI_STATUS status; + int argc, addprog; + + IH = image_handle; + ST = system_table; + BS = ST->BootServices; + RS = ST->RuntimeServices; + + heapsize = 512*1024; + status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, + EFI_SIZE_TO_PAGES(heapsize), &heap); + if (status != EFI_SUCCESS) + BS->Exit(IH, status, 0, NULL); + + setheap((void *)heap, (void *)(heap + heapsize)); + + /* Use exit() from here on... */ + + status = BS->HandleProtocol(IH, &image_protocol, (VOID**)&img); + if (status != EFI_SUCCESS) + exit(status); + + /* + * Pre-process the (optional) load options. If the option string + * is given as an ASCII string, we use a poor man's ASCII to + * Unicode-16 translation. The size of the option string as given + * to us includes the terminating null character. We assume the + * string is an ASCII string if strlen() plus the terminating + * '\0' is less than LoadOptionsSize. Even if all Unicode-16 + * characters have the upper 8 bits non-zero, the terminating + * null character will cause a one-off. + * If the string is already in Unicode-16, we make a copy so that + * we know we can always modify the string. + */ + if (img->LoadOptionsSize > 0 && img->LoadOptions != NULL) { + if (img->LoadOptionsSize == strlen(img->LoadOptions) + 1) { + args = malloc(img->LoadOptionsSize << 1); + for (argc = 0; argc < img->LoadOptionsSize; argc++) + args[argc] = ((char*)img->LoadOptions)[argc]; + } else { + args = malloc(img->LoadOptionsSize); + memcpy(args, img->LoadOptions, img->LoadOptionsSize); + } + } else + args = NULL; + + /* + * Use a quick and dirty algorithm to build the argv vector. We + * first count the number of words. Then, after allocating the + * vector, we split the string up. We don't deal with quotes or + * other more advanced shell features. + * The EFI shell will pas the name of the image as the first + * word in the argument list. This does not happen if we're + * loaded by the boot manager. This is not so easy to figure + * out though. The ParentHandle is not always NULL, because + * there can be a function (=image) that will perform the task + * for the boot manager. + */ + /* Part 1: Figure out if we need to add our program name. */ + addprog = (args == NULL || img->ParentHandle == NULL || + img->FilePath == NULL) ? 1 : 0; + if (!addprog) { + addprog = + (DevicePathType(img->FilePath) != MEDIA_DEVICE_PATH || + DevicePathSubType(img->FilePath) != MEDIA_FILEPATH_DP || + DevicePathNodeLength(img->FilePath) <= + sizeof(FILEPATH_DEVICE_PATH)) ? 1 : 0; + if (!addprog) { + /* XXX todo. */ + } + } + /* Part 2: count words. */ + argc = (addprog) ? 1 : 0; + argp = args; + while (argp != NULL && *argp != 0) { + argp = arg_skipsep(argp); + if (*argp == 0) + break; + argc++; + argp = arg_skipword(argp); + } + /* Part 3: build vector. */ + argv = malloc((argc + 1) * sizeof(CHAR16*)); + argc = 0; + if (addprog) + argv[argc++] = L"loader.efi"; + argp = args; + while (argp != NULL && *argp != 0) { + argp = arg_skipsep(argp); + if (*argp == 0) + break; + argv[argc++] = argp; + argp = arg_skipword(argp); + /* Terminate the words. */ + if (*argp != 0) + *argp++ = 0; + } + argv[argc] = NULL; + + status = main(argc, argv); + exit(status); +} diff --git a/sys/boot/efi/libefi/module.c b/sys/boot/efi/libefi/module.c new file mode 100644 index 0000000..7a3f4b2 --- /dev/null +++ b/sys/boot/efi/libefi/module.c @@ -0,0 +1,40 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stand.h> + +/* + * Use voodoo to load modules required by current hardware. + */ +int +efi_autoload(void) +{ + /* XXX use PnP to locate stuff here */ + return (0); +} diff --git a/sys/boot/efi/libefi/time.c b/sys/boot/efi/libefi/time.c new file mode 100644 index 0000000..3ca456e --- /dev/null +++ b/sys/boot/efi/libefi/time.c @@ -0,0 +1,224 @@ +/* + * Copyright (c) 1999, 2000 + * Intel Corporation. + * 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * + * This product includes software developed by Intel Corporation and + * its contributors. + * + * 4. Neither the name of Intel Corporation or its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION 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 INTEL CORPORATION 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <efi.h> +#include <efilib.h> + +#include <time.h> +#include <sys/time.h> + +/* +// Accurate only for the past couple of centuries; +// that will probably do. +// +// (#defines From FreeBSD 3.2 lib/libc/stdtime/tzfile.h) +*/ + +#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) +#define SECSPERHOUR ( 60*60 ) +#define SECSPERDAY (24 * SECSPERHOUR) + +time_t +EfiTimeToUnixTime(EFI_TIME *ETime) +{ + /* + // These arrays give the cumulative number of days up to the first of the + // month number used as the index (1 -> 12) for regular and leap years. + // The value at index 13 is for the whole year. + */ + static time_t CumulativeDays[2][14] = { + {0, + 0, + 31, + 31 + 28, + 31 + 28 + 31, + 31 + 28 + 31 + 30, + 31 + 28 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 }, + {0, + 0, + 31, + 31 + 29, + 31 + 29 + 31, + 31 + 29 + 31 + 30, + 31 + 29 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 }}; + + time_t UTime; + int Year; + + /* + // Do a santity check + */ + if ( ETime->Year < 1998 || ETime->Year > 2099 || + ETime->Month == 0 || ETime->Month > 12 || + ETime->Day == 0 || ETime->Month > 31 || + ETime->Hour > 23 || + ETime->Minute > 59 || + ETime->Second > 59 || + ETime->TimeZone < -1440 || + (ETime->TimeZone > 1440 && ETime->TimeZone != 2047) ) { + return (0); + } + + /* + // Years + */ + UTime = 0; + for (Year = 1970; Year != ETime->Year; ++Year) { + UTime += (CumulativeDays[isleap(Year)][13] * SECSPERDAY); + } + + /* + // UTime should now be set to 00:00:00 on Jan 1 of the file's year. + // + // Months + */ + UTime += (CumulativeDays[isleap(ETime->Year)][ETime->Month] * SECSPERDAY); + + /* + // UTime should now be set to 00:00:00 on the first of the file's month and year + // + // Days -- Don't count the file's day + */ + UTime += (((ETime->Day > 0) ? ETime->Day-1:0) * SECSPERDAY); + + /* + // Hours + */ + UTime += (ETime->Hour * SECSPERHOUR); + + /* + // Minutes + */ + UTime += (ETime->Minute * 60); + + /* + // Seconds + */ + UTime += ETime->Second; + + /* + // EFI time is repored in local time. Adjust for any time zone offset to + // get true UT + */ + if ( ETime->TimeZone != EFI_UNSPECIFIED_TIMEZONE ) { + /* + // TimeZone is kept in minues... + */ + UTime += (ETime->TimeZone * 60); + } + + return UTime; +} + +int +EFI_GetTimeOfDay( + OUT struct timeval *tp, + OUT struct timezone *tzp + ) +{ + EFI_TIME EfiTime; + EFI_TIME_CAPABILITIES Capabilities; + EFI_STATUS Status; + + /* + // Get time from EFI + */ + + Status = RS->GetTime( &EfiTime, &Capabilities ); + if (EFI_ERROR(Status)) + return (-1); + + /* + // Convert to UNIX time (ie seconds since the epoch + */ + + tp->tv_sec = EfiTimeToUnixTime( &EfiTime ); + tp->tv_usec = 0; /* EfiTime.Nanosecond * 1000; */ + + /* + // Do something with the timezone if needed + */ + + if (tzp) { + tzp->tz_minuteswest = + EfiTime.TimeZone == EFI_UNSPECIFIED_TIMEZONE ? 0 : EfiTime.TimeZone; + /* + // This isn't quit right since it doesn't deal with EFI_TIME_IN_DAYLIGHT + */ + tzp->tz_dsttime = + EfiTime.Daylight & EFI_TIME_ADJUST_DAYLIGHT ? 1 : 0; + } + + return (0); +} + +time_t +time(time_t *tloc) +{ + struct timeval tv; + EFI_GetTimeOfDay(&tv, 0); + + if (tloc) + *tloc = tv.tv_sec; + return tv.tv_sec; +} + +time_t +getsecs() +{ + return time(0); +} |