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grub2
grub2-s390x-01-Changes-made-and-files-added-in-...
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File grub2-s390x-01-Changes-made-and-files-added-in-order-to-allow-s390x.patch of Package grub2
From f38ada424e7d991a0121253ba1abc430b86a990b Mon Sep 17 00:00:00 2001 From: John Jolly <jjolly@suse.de> Date: Wed, 22 Jan 2014 01:18:10 -0700 Subject: [PATCH 1/3] - Changes made and files added in order to allow s390x build --- grub-core/kern/emu/cache_s.S | 1 + grub-core/kern/emu/lite.c | 2 ++ grub-core/kern/s390x/dl.c | 37 +++++++++++++++++++++++++++++++++++ grub-core/lib/s390x/setjmp.S | 46 ++++++++++++++++++++++++++++++++++++++++++++ grub-core/lib/setjmp.S | 2 ++ include/grub/cache.h | 2 +- include/grub/s390x/setjmp.h | 29 ++++++++++++++++++++++++++++ include/grub/s390x/time.h | 27 ++++++++++++++++++++++++++ include/grub/s390x/types.h | 32 ++++++++++++++++++++++++++++++ 9 files changed, 177 insertions(+), 1 deletion(-) create mode 100644 grub-core/kern/s390x/dl.c create mode 100644 grub-core/lib/s390x/setjmp.S create mode 100644 include/grub/s390x/setjmp.h create mode 100644 include/grub/s390x/time.h create mode 100644 include/grub/s390x/types.h diff --git a/grub-core/kern/emu/cache_s.S b/grub-core/kern/emu/cache_s.S index 8ca695c..83e52d6 100644 --- a/grub-core/kern/emu/cache_s.S +++ b/grub-core/kern/emu/cache_s.S @@ -24,6 +24,7 @@ FUNCTION (grub_arch_sync_caches) #elif defined(__powerpc__) #include "../powerpc/cache.S" #elif defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || defined(__mips__) +#elif defined(__s390x__) #else #error "No target cpu type is defined" #endif diff --git a/grub-core/kern/emu/lite.c b/grub-core/kern/emu/lite.c index 947c669..4e15872 100644 --- a/grub-core/kern/emu/lite.c +++ b/grub-core/kern/emu/lite.c @@ -17,6 +17,8 @@ #elif defined(__aarch64__) #include "../arm64/dl_helper.c" #include "../arm64/dl.c" +#elif defined(__s390x__) +#include "../s390x/dl.c" #else #error "No target cpu type is defined" #endif diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c --- a/grub-core/kern/dl.c +++ b/grub-core/kern/dl.c @@ -229,7 +229,7 @@ unsigned i; const Elf_Shdr *s; grub_size_t tsize = 0, talign = 1; -#if !defined (__i386__) && !defined (__x86_64__) +#if !defined (__i386__) && !defined (__x86_64__) && !defined (__s390x__) grub_size_t tramp; grub_size_t got; grub_err_t err; @@ -245,7 +245,7 @@ talign = s->sh_addralign; } -#if !defined (__i386__) && !defined (__x86_64__) +#if !defined (__i386__) && !defined (__x86_64__) && !defined (__s390x__) err = grub_arch_dl_get_tramp_got_size (e, &tramp, &got); if (err) return err; @@ -308,7 +308,7 @@ mod->segment = seg; } } -#if !defined (__i386__) && !defined (__x86_64__) +#if !defined (__i386__) && !defined (__x86_64__) && !defined (__s390x__) ptr = (char *) ALIGN_UP ((grub_addr_t) ptr, GRUB_ARCH_DL_TRAMP_ALIGN); mod->tramp = ptr; mod->trampptr = ptr; diff --git a/grub-core/kern/s390x/dl.c b/grub-core/kern/s390x/dl.c new file mode 100644 index 0000000..9be5a9e --- /dev/null +++ b/grub-core/kern/s390x/dl.c @@ -0,0 +1,40 @@ +/* dl.c - arch-dependent part of loadable module support */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2004,2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/dl.h> + +/* Check if EHDR is a valid ELF header. */ +grub_err_t +grub_arch_dl_check_header (void *ehdr) +{ + (void)(ehdr); + return GRUB_ERR_BUG; +} + +/* Relocate symbols. */ +grub_err_t +grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr, + Elf_Shdr *s, grub_dl_segment_t seg) +{ + (void)(mod); + (void)(ehdr); + (void)(s); + (void)(seg); + return GRUB_ERR_BUG; +} diff --git a/grub-core/lib/s390x/setjmp.S b/grub-core/lib/s390x/setjmp.S new file mode 100644 index 0000000..a3ae29b --- /dev/null +++ b/grub-core/lib/s390x/setjmp.S @@ -0,0 +1,46 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/symbol.h> +#include <grub/dl.h> + + .file "setjmp.S" + +GRUB_MOD_LICENSE "GPLv3+" + + .text + +/* + * int grub_setjmp (grub_jmp_buf env) + */ +FUNCTION(grub_setjmp) + stmg %r11,%r15,0(%r2) + lghi %r2,0 + br %r14 + +/* + * int grub_longjmp (grub_jmp_buf env, int val) + */ +FUNCTION(grub_longjmp) + chi %r3,0 + jne .L2 + lghi %r3,1 +.L2: + lmg %r11,%r15,0(%r2) + lgr %r2,%r3 + br %r14 diff --git a/grub-core/lib/setjmp.S b/grub-core/lib/setjmp.S index 2e49742..0b6fb93 100644 --- a/grub-core/lib/setjmp.S +++ b/grub-core/lib/setjmp.S @@ -11,6 +11,8 @@ #include "./arm/setjmp.S" #elif defined(__aarch64__) #include "./arm64/setjmp.S" +#elif defined(__s390x__) +#include "./s390x/setjmp.S" #else #error "Unknown target cpu type" #endif diff --git a/include/grub/cache.h b/include/grub/cache.h index 2928305..9f8e42b 100644 --- a/include/grub/cache.h +++ b/include/grub/cache.h @@ -27,7 +27,7 @@ #include <grub/symbol.h> #include <grub/types.h> -#if defined (__i386__) || defined (__x86_64__) +#if defined (__i386__) || defined (__x86_64__) || defined (__s390x__) static inline void grub_arch_sync_caches (void *address __attribute__ ((unused)), grub_size_t len __attribute__ ((unused))) diff --git a/include/grub/s390x/setjmp.h b/include/grub/s390x/setjmp.h new file mode 100644 index 0000000..5ed87ed --- /dev/null +++ b/include/grub/s390x/setjmp.h @@ -0,0 +1,29 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2004,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_SETJMP_CPU_HEADER +#define GRUB_SETJMP_CPU_HEADER 1 + +#include <grub/types.h> + +typedef grub_uint64_t grub_jmp_buf[5]; + +int grub_setjmp (grub_jmp_buf env) __attribute__ ((returns_twice)); +void grub_longjmp (grub_jmp_buf env, int val) __attribute__ ((noreturn)); + +#endif /* ! GRUB_SETJMP_CPU_HEADER */ diff --git a/include/grub/s390x/time.h b/include/grub/s390x/time.h new file mode 100644 index 0000000..1af9274 --- /dev/null +++ b/include/grub/s390x/time.h @@ -0,0 +1,27 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef KERNEL_CPU_TIME_HEADER +#define KERNEL_CPU_TIME_HEADER 1 + +static __inline void +grub_cpu_idle (void) +{ +} + +#endif /* ! KERNEL_CPU_TIME_HEADER */ diff --git a/include/grub/s390x/types.h b/include/grub/s390x/types.h new file mode 100644 index 0000000..249ca8a --- /dev/null +++ b/include/grub/s390x/types.h @@ -0,0 +1,32 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2004,2006,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_TYPES_CPU_HEADER +#define GRUB_TYPES_CPU_HEADER 1 + +/* The size of void *. */ +#define GRUB_TARGET_SIZEOF_VOID_P 8 + +/* The size of long. */ +#define GRUB_TARGET_SIZEOF_LONG 8 + +/* s390x is big-endian. */ +#define GRUB_TARGET_WORDS_BIGENDIAN 1 + + +#endif /* ! GRUB_TYPES_CPU_HEADER */ -- 1.7.12.4
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