Date: Tue, 23 Sep 2008 13:07:24 GMT From: Rafal Jaworowski <raj@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 150344 for review Message-ID: <200809231307.m8ND7OIN001832@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=150344 Change 150344 by raj@raj_mimi on 2008/09/23 13:06:26 Introduce basic loader(8) support for ARM. This relies on sys/boot/uboot support library and assumes an underlying U-Boot firmware with standalone apps API enabled. Current functionality is limited to netbooting. Obtained from: Semihalf Affected files ... .. //depot/projects/arm/src/sys/arm/include/bootinfo.h#1 add .. //depot/projects/arm/src/sys/arm/include/metadata.h#2 edit .. //depot/projects/arm/src/sys/boot/Makefile#11 edit .. //depot/projects/arm/src/sys/boot/arm/Makefile#4 edit .. //depot/projects/arm/src/sys/boot/arm/uboot/Makefile#1 add .. //depot/projects/arm/src/sys/boot/arm/uboot/conf.c#1 add .. //depot/projects/arm/src/sys/boot/arm/uboot/help.uboot#1 add .. //depot/projects/arm/src/sys/boot/arm/uboot/ldscript.arm#1 add .. //depot/projects/arm/src/sys/boot/arm/uboot/start.S#1 add .. //depot/projects/arm/src/sys/boot/arm/uboot/version#1 add .. //depot/projects/arm/src/sys/boot/common/Makefile.inc#4 edit .. //depot/projects/arm/src/sys/boot/common/load_elf.c#6 edit .. //depot/projects/arm/src/sys/boot/ficl/Makefile#6 edit Differences ... ==== //depot/projects/arm/src/sys/arm/include/metadata.h#2 (text+ko) ==== @@ -29,6 +29,6 @@ #ifndef _MACHINE_METADATA_H_ #define _MACHINE_METADATA_H_ -#define MODINFOMD_SMAP 0x1001 +#define MODINFOMD_BOOTINFO 0x1001 #endif /* !_MACHINE_METADATA_H_ */ ==== //depot/projects/arm/src/sys/boot/Makefile#11 (text+ko) ==== @@ -22,7 +22,7 @@ .endif # Build U-Boot library. -.if ${MACHINE_ARCH} == "powerpc" +.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm" SUBDIR+= uboot .endif ==== //depot/projects/arm/src/sys/boot/arm/Makefile#4 (text+ko) ==== @@ -1,5 +1,5 @@ # $FreeBSD: src/sys/boot/arm/Makefile,v 1.3 2006/10/23 00:05:28 imp Exp $ -SUBDIR= +SUBDIR= uboot .include <bsd.subdir.mk> ==== //depot/projects/arm/src/sys/boot/common/Makefile.inc#4 (text+ko) ==== @@ -9,7 +9,7 @@ SRCS+= load_elf64.c load_elf64_obj.c reloc_elf64.c .elif ${MACHINE} == "pc98" SRCS+= load_elf32.c load_elf32_obj.c reloc_elf32.c -.elif ${MACHINE_ARCH} == "powerpc" +.elif ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm" SRCS+= load_elf32.c reloc_elf32.c .elif ${MACHINE_ARCH} == "sparc64" || ${MACHINE_ARCH} == "ia64" SRCS+= load_elf64.c reloc_elf64.c ==== //depot/projects/arm/src/sys/boot/common/load_elf.c#6 (text+ko) ==== @@ -289,7 +289,16 @@ #ifdef ELF_VERBOSE printf("Converted entry 0x%08x\n", ehdr->e_entry); #endif - } else + } else + off = 0; +#elif defined(__arm__) + if (off & 0xf0000000u) { + off = -(off & 0xf0000000u); + ehdr->e_entry += off; +#ifdef ELF_VERBOSE + printf("Converted entry 0x%08x\n", ehdr->e_entry); +#endif + } else off = 0; #else off = 0; /* other archs use direct mapped kernels */ ==== //depot/projects/arm/src/sys/boot/ficl/Makefile#6 (text+ko) ==== @@ -14,7 +14,7 @@ .if ${MACHINE_ARCH} == "i386" CFLAGS+= -mno-sse3 .endif -.if ${MACHINE_ARCH} == "powerpc" +.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm" CFLAGS+= -msoft-float .endif .if ${MACHINE} == "pc98"
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