From 24e37a885269bdec9b27babf1da0bba3692d55c0 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Mon, 8 May 2017 20:53:28 +0200 Subject: [PATCH] arm-coreboot: Start new port. --- configure.ac | 2 + grub-core/Makefile.core.def | 18 ++++- grub-core/kern/arm/coreboot/cbtable.c | 40 +++++++++++ grub-core/kern/arm/coreboot/init.c | 127 +++++++++++++++++++++++++++++++++ grub-core/kern/arm/coreboot/timer.c | 65 +++++++++++++++++ grub-core/kern/coreboot/cbtable.c | 2 + grub-core/lib/dummy/reboot.c | 32 +++++++++ grub-core/loader/arm/linux.c | 3 + util/grub-mkimagexx.c | 19 +++-- util/mkimage.c | 41 ++++++++++- include/grub/arm/coreboot/console.h | 29 ++++++++ include/grub/arm/coreboot/kernel.h | 44 ++++++++++++ include/grub/offsets.h | 6 ++ grub-core/kern/arm/coreboot/coreboot.S | 44 ++++++++++++ grub-core/kern/arm/startup.S | 4 ++ gentpl.py | 8 ++- grub-core/Makefile.am | 10 +++ 17 files changed, 482 insertions(+), 12 deletions(-) create mode 100644 grub-core/kern/arm/coreboot/cbtable.c create mode 100644 grub-core/kern/arm/coreboot/init.c create mode 100644 grub-core/kern/arm/coreboot/timer.c create mode 100644 grub-core/lib/dummy/reboot.c create mode 100644 include/grub/arm/coreboot/console.h create mode 100644 include/grub/arm/coreboot/kernel.h create mode 100644 grub-core/kern/arm/coreboot/coreboot.S diff --git a/configure.ac b/configure.ac index ee2c86537e9..571f7a0b5aa 100644 --- a/configure.ac +++ b/configure.ac @@ -167,6 +167,7 @@ case "$target_cpu"-"$platform" in mipsel-fuloong) platform=loongson ;; mipsel-loongson) ;; arm-uboot) ;; + arm-coreboot) ;; arm-efi) ;; arm64-efi) ;; *-emu) ;; @@ -1918,6 +1919,7 @@ AM_CONDITIONAL([COND_mipsel], [test x$target_cpu = xmipsel]) AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips]) AM_CONDITIONAL([COND_arm], [test x$target_cpu = xarm ]) AM_CONDITIONAL([COND_arm_uboot], [test x$target_cpu = xarm -a x$platform = xuboot]) +AM_CONDITIONAL([COND_arm_coreboot], [test x$target_cpu = xarm -a x$platform = xcoreboot]) AM_CONDITIONAL([COND_arm_efi], [test x$target_cpu = xarm -a x$platform = xefi]) AM_CONDITIONAL([COND_arm64], [test x$target_cpu = xarm64 ]) AM_CONDITIONAL([COND_arm64_efi], [test x$target_cpu = xarm64 -a x$platform = xefi]) diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def index 6540dc951d4..411dca46bf2 100644 --- a/grub-core/Makefile.core.def +++ b/grub-core/Makefile.core.def @@ -92,6 +92,8 @@ kernel = { emu_cppflags = '$(CPPFLAGS_GNULIB)'; arm_uboot_ldflags = '-Wl,-r,-d'; arm_uboot_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version'; + arm_coreboot_ldflags = '-Wl,-r,-d'; + arm_coreboot_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version'; i386_pc_startup = kern/i386/pc/startup.S; i386_efi_startup = kern/i386/efi/startup.S; @@ -106,6 +108,7 @@ kernel = { sparc64_ieee1275_startup = kern/sparc64/ieee1275/crt0.S; powerpc_ieee1275_startup = kern/powerpc/ieee1275/startup.S; arm_uboot_startup = kern/arm/startup.S; + arm_coreboot_startup = kern/arm/startup.S; arm_efi_startup = kern/arm/efi/startup.S; arm64_efi_startup = kern/arm64/efi/startup.S; @@ -152,6 +155,10 @@ kernel = { arm_uboot = kern/arm/uboot/init.c; arm_uboot = kern/arm/uboot/uboot.S; + arm_coreboot = kern/arm/coreboot/init.c; + arm_coreboot = kern/arm/coreboot/timer.c; + arm_coreboot = kern/arm/coreboot/coreboot.S; + terminfoinkernel = term/terminfo.c; terminfoinkernel = term/tparm.c; terminfoinkernel = commands/extcmd.c; @@ -166,7 +173,7 @@ kernel = { i386_multiboot = kern/i386/coreboot/init.c; i386_qemu = kern/i386/qemu/init.c; i386_coreboot_multiboot_qemu = term/i386/pc/vga_text.c; - i386_coreboot = video/coreboot/cbfb.c; + coreboot = video/coreboot/cbfb.c; efi = disk/efi/efidisk.c; efi = kern/efi/efi.c; @@ -227,9 +234,10 @@ kernel = { i386_qemu = kern/vga_init.c; i386_qemu = kern/i386/qemu/mmap.c; - i386_coreboot = kern/coreboot/mmap.c; + coreboot = kern/coreboot/mmap.c; i386_coreboot = kern/i386/coreboot/cbtable.c; - i386_coreboot = kern/coreboot/cbtable.c; + coreboot = kern/coreboot/cbtable.c; + arm_coreboot = kern/arm/coreboot/cbtable.c; i386_multiboot = kern/i386/multiboot_mmap.c; @@ -758,6 +766,7 @@ module = { enable = arm_efi; enable = arm64_efi; enable = arm_uboot; + enable = arm_coreboot; }; module = { @@ -842,6 +851,7 @@ module = { ieee1275 = lib/ieee1275/halt.c; emu = lib/emu/halt.c; uboot = lib/dummy/halt.c; + arm_coreboot = lib/dummy/halt.c; }; module = { @@ -859,6 +869,7 @@ module = { mips_qemu_mips = lib/mips/qemu_mips/reboot.c; xen = lib/xen/reboot.c; uboot = lib/uboot/reboot.c; + arm_coreboot = lib/dummy/reboot.c; common = commands/reboot.c; }; @@ -1553,6 +1564,7 @@ module = { cmos = lib/cmos_datetime.c; efi = lib/efi/datetime.c; uboot = lib/dummy/datetime.c; + arm_coreboot = lib/dummy/datetime.c; sparc64_ieee1275 = lib/ieee1275/datetime.c; powerpc_ieee1275 = lib/ieee1275/datetime.c; sparc64_ieee1275 = lib/ieee1275/cmos.c; diff --git a/grub-core/kern/arm/coreboot/cbtable.c b/grub-core/kern/arm/coreboot/cbtable.c new file mode 100644 index 00000000000..8a655bb5cc2 --- /dev/null +++ b/grub-core/kern/arm/coreboot/cbtable.c @@ -0,0 +1,40 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2008,2013 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 . + */ + +#include +#include +#include +#include +#include +#include + +GRUB_MOD_LICENSE ("GPLv3+"); + +#pragma GCC diagnostic ignored "-Wcast-align" + +grub_linuxbios_table_header_t +grub_linuxbios_get_tables (void) +{ + grub_linuxbios_table_header_t table_header + = (grub_linuxbios_table_header_t) grub_arm_saved_registers.r[0]; + + if (!grub_linuxbios_check_signature (table_header)) + return 0; + + return table_header; +} diff --git a/grub-core/kern/arm/coreboot/init.c b/grub-core/kern/arm/coreboot/init.c new file mode 100644 index 00000000000..51ecaceb005 --- /dev/null +++ b/grub-core/kern/arm/coreboot/init.c @@ -0,0 +1,127 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2013 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 . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +extern grub_uint8_t _start[]; +extern grub_uint8_t _end[]; +extern grub_uint8_t _edata[]; +grub_addr_t start_of_ram = ~(grub_addr_t)0; + +void __attribute__ ((noreturn)) +grub_exit (void) +{ + /* We can't use grub_fatal() in this function. This would create an infinite + loop, since grub_fatal() calls grub_abort() which in turn calls grub_exit(). */ + while (1) + grub_cpu_idle (); +} + +static grub_uint64_t modend; +static int have_memory = 0; + +/* Helper for grub_machine_init. */ +static int +heap_init (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type, + void *data __attribute__ ((unused))) +{ + grub_uint64_t begin = addr, end = addr + size; + +#if GRUB_CPU_SIZEOF_VOID_P == 4 + /* Restrict ourselves to 32-bit memory space. */ + if (begin > GRUB_ULONG_MAX) + return 0; + if (end > GRUB_ULONG_MAX) + end = GRUB_ULONG_MAX; +#endif + + if (start_of_ram > begin) + start_of_ram = begin; + + if (type != GRUB_MEMORY_AVAILABLE) + return 0; + + if (modend && begin < modend) + { + if (begin < (grub_addr_t)_start) + { + grub_mm_init_region ((void *) (grub_addr_t) begin, (grub_size_t) ((grub_addr_t)_start - begin)); + have_memory = 1; + } + begin = modend; + } + + /* Avoid DMA problems. */ + if (end >= 0xfe000000) + end = 0xfe000000; + + if (end <= begin) + return 0; + + grub_mm_init_region ((void *) (grub_addr_t) begin, (grub_size_t) (end - begin)); + + have_memory = 1; + + return 0; +} + +void +grub_machine_init (void) +{ + modend = grub_modules_get_end (); + + grub_video_coreboot_fb_early_init (); + + grub_machine_mmap_iterate (heap_init, NULL); + if (!have_memory) + grub_fatal ("No memory found"); + + grub_video_coreboot_fb_late_init (); + + grub_font_init (); + grub_gfxterm_init (); + + grub_machine_timer_init (); +} + +void +grub_machine_get_bootlocation (char **device __attribute__ ((unused)), + char **path __attribute__ ((unused))) +{ +} + +void +grub_machine_fini (int flags __attribute__ ((unused))) +{ +} diff --git a/grub-core/kern/arm/coreboot/timer.c b/grub-core/kern/arm/coreboot/timer.c new file mode 100644 index 00000000000..ebefb99d58f --- /dev/null +++ b/grub-core/kern/arm/coreboot/timer.c @@ -0,0 +1,65 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2016 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 . + */ + +#include +#include +#include +#include +#include +#include + +grub_uint64_t +grub_armv7_get_timer_value(void); + +grub_uint32_t +grub_armv7_get_timer_frequency(void); + +grub_uint32_t +grub_arm_pfr1(void); + +static int have_timer = 0; +static grub_uint32_t timer_frequency_in_khz; + +static grub_uint64_t +generic_get_time_ms (void) +{ + return grub_divmod64 (grub_armv7_get_timer_value(), timer_frequency_in_khz, 0); +} + +static int +try_generic_timer (void) +{ + if (((grub_arm_pfr1 () >> 16) & 0xf) != 1) + return 0; + grub_printf ("freq = %x\n", grub_armv7_get_timer_frequency()); + timer_frequency_in_khz = 0x016e3600 / 1000; //grub_armv7_get_timer_frequency() / 1000; + if (timer_frequency_in_khz == 0) + return 0; + grub_install_get_time_ms (generic_get_time_ms); + have_timer = 1; + return 1; +} + +void +grub_machine_timer_init (void) +{ + if (!have_timer) + try_generic_timer (); + if (!have_timer) + grub_fatal ("No timer found"); +} diff --git a/grub-core/kern/coreboot/cbtable.c b/grub-core/kern/coreboot/cbtable.c index 996d3f40738..aec63dbd120 100644 --- a/grub-core/kern/coreboot/cbtable.c +++ b/grub-core/kern/coreboot/cbtable.c @@ -23,6 +23,8 @@ #include #include +#pragma GCC diagnostic ignored "-Wcast-align" + /* Helper for grub_linuxbios_table_iterate. */ int grub_linuxbios_check_signature (grub_linuxbios_table_header_t tbl_header) diff --git a/grub-core/lib/dummy/reboot.c b/grub-core/lib/dummy/reboot.c new file mode 100644 index 00000000000..b8cbed8f811 --- /dev/null +++ b/grub-core/lib/dummy/reboot.c @@ -0,0 +1,32 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 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 . + */ + +#include +#include +#include +#include + +void +grub_reboot (void) +{ + grub_machine_fini (GRUB_LOADER_FLAG_NORETURN); + + /* Just stop here */ + + while (1); +} diff --git a/grub-core/loader/arm/linux.c b/grub-core/loader/arm/linux.c index 5b39f02bb2e..01374ee78fa 100644 --- a/grub-core/loader/arm/linux.c +++ b/grub-core/loader/arm/linux.c @@ -31,6 +31,8 @@ GRUB_MOD_LICENSE ("GPLv3+"); +#ifndef GRUB_MACHINE_COREBOOT + static grub_dl_t my_mod; static grub_addr_t initrd_start; @@ -527,3 +529,4 @@ GRUB_MOD_FINI (linux) grub_unregister_command (cmd_initrd); grub_unregister_command (cmd_devicetree); } +#endif diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c index 3fab93e2088..a2bb05439f0 100644 --- a/util/grub-mkimagexx.c +++ b/util/grub-mkimagexx.c @@ -87,7 +87,8 @@ struct fixup_block_list static int is_relocatable (const struct grub_install_image_target_desc *image_target) { - return image_target->id == IMAGE_EFI || image_target->id == IMAGE_UBOOT; + return image_target->id == IMAGE_EFI || image_target->id == IMAGE_UBOOT + || (image_target->id == IMAGE_COREBOOT && image_target->elf_target == EM_ARM); } #ifdef MKIMAGE_ELF32 @@ -274,7 +275,10 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc { grub_uint32_t target_addr_mods; phdr->p_filesz = grub_host_to_target32 (layout->kernel_size); - phdr->p_memsz = grub_host_to_target32 (layout->kernel_size + layout->bss_size); + if (image_target->id == IMAGE_COREBOOT && image_target->elf_target == EM_ARM) + phdr->p_memsz = grub_host_to_target32 (layout->kernel_size); + else + phdr->p_memsz = grub_host_to_target32 (layout->kernel_size + layout->bss_size); phdr++; phdr->p_type = grub_host_to_target32 (PT_GNU_STACK); @@ -290,8 +294,12 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc phdr->p_filesz = phdr->p_memsz = grub_host_to_target32 (*core_size - layout->kernel_size); - if (image_target->id == IMAGE_COREBOOT) + if (image_target->id == IMAGE_COREBOOT && image_target->elf_target == EM_386) target_addr_mods = GRUB_KERNEL_I386_COREBOOT_MODULES_ADDR; + else if (image_target->id == IMAGE_COREBOOT && image_target->elf_target == EM_ARM) + target_addr_mods = ALIGN_UP (target_addr + layout->end + + image_target->mod_gap, + image_target->mod_align); else target_addr_mods = ALIGN_UP (target_addr + layout->kernel_size + layout->bss_size + image_target->mod_gap, @@ -1876,7 +1884,7 @@ SUFFIX (locate_sections) (Elf_Ehdr *e, const char *kernel_path, Platforms other than EFI and U-boot shouldn't have .bss in their binaries as we build with -Wl,-Ttext. */ - if (image_target->id != IMAGE_UBOOT) + if (image_target->id == IMAGE_EFI || !is_relocatable (image_target)) layout->kernel_size = layout->end; return section_addresses; @@ -1979,6 +1987,7 @@ SUFFIX (grub_mkimage_load_image) (const char *kernel_path, if (image_target->id == IMAGE_SPARC64_AOUT || image_target->id == IMAGE_SPARC64_RAW || image_target->id == IMAGE_UBOOT + || image_target->id == IMAGE_COREBOOT || image_target->id == IMAGE_SPARC64_CDCORE) layout->kernel_size = ALIGN_UP (layout->kernel_size, image_target->mod_align); @@ -2084,7 +2093,7 @@ SUFFIX (grub_mkimage_load_image) (const char *kernel_path, Platforms other than EFI and U-boot shouldn't have .bss in their binaries as we build with -Wl,-Ttext. */ - || (SUFFIX (is_bss_section) (s, image_target) && (image_target->id != IMAGE_UBOOT)) + || (SUFFIX (is_bss_section) (s, image_target) && (image_target->id == IMAGE_EFI || !is_relocatable (image_target))) || SUFFIX (is_text_section) (s, image_target)) { if (grub_target_to_host32 (s->sh_type) == SHT_NOBITS) diff --git a/util/mkimage.c b/util/mkimage.c index 528166c87ac..6aa77ed7367 100644 --- a/util/mkimage.c +++ b/util/mkimage.c @@ -533,6 +533,45 @@ static const struct grub_install_image_target_desc image_targets[] = .mod_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN, .link_align = 4 }, + /* For coreboot versions that don't support self-relocating images. */ + { + .dirname = "arm-coreboot-vexpress", + .names = { "arm-coreboot-vexpress", NULL }, + .voidp_sizeof = 4, + .bigendian = 0, + .id = IMAGE_COREBOOT, + .flags = PLATFORM_FLAGS_NONE, + .total_module_size = GRUB_KERNEL_ARM_COREBOOT_TOTAL_MODULE_SIZE, + .decompressor_compressed_size = TARGET_NO_FIELD, + .decompressor_uncompressed_size = TARGET_NO_FIELD, + .decompressor_uncompressed_addr = TARGET_NO_FIELD, + .section_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .vaddr_offset = 0, + .elf_target = EM_ARM, + .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP, + .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .link_align = 4, + .link_addr = 0x62000000, + }, + { + .dirname = "arm-coreboot-veyron", + .names = { "arm-coreboot-veyron", NULL }, + .voidp_sizeof = 4, + .bigendian = 0, + .id = IMAGE_COREBOOT, + .flags = PLATFORM_FLAGS_NONE, + .total_module_size = GRUB_KERNEL_ARM_COREBOOT_TOTAL_MODULE_SIZE, + .decompressor_compressed_size = TARGET_NO_FIELD, + .decompressor_uncompressed_size = TARGET_NO_FIELD, + .decompressor_uncompressed_addr = TARGET_NO_FIELD, + .section_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .vaddr_offset = 0, + .elf_target = EM_ARM, + .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP, + .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .link_align = 4, + .link_addr = 0x43000000, + }, { .dirname = "arm-efi", .names = { "arm-efi", NULL }, @@ -1033,7 +1072,7 @@ grub_install_generate_image (const char *dir, const char *prefix, /* fallthrough */ case IMAGE_COREBOOT: case IMAGE_QEMU: - if (layout.kernel_size + layout.bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000) + if (image_target->elf_target != EM_ARM && layout.kernel_size + layout.bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000) grub_util_error (_("kernel image is too big (0x%x > 0x%x)"), (unsigned) layout.kernel_size + (unsigned) layout.bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR, diff --git a/include/grub/arm/coreboot/console.h b/include/grub/arm/coreboot/console.h new file mode 100644 index 00000000000..13a14b78383 --- /dev/null +++ b/include/grub/arm/coreboot/console.h @@ -0,0 +1,29 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 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 . + */ + +#ifndef GRUB_MACHINE_CONSOLE_HEADER +#define GRUB_MACHINE_CONSOLE_HEADER 1 + +void grub_video_coreboot_fb_init (void); +void grub_video_coreboot_fb_early_init (void); +void grub_video_coreboot_fb_late_init (void); +void grub_video_coreboot_fb_fini (void); + +extern struct grub_linuxbios_table_framebuffer *grub_video_coreboot_fbtable; + +#endif /* ! GRUB_MACHINE_CONSOLE_HEADER */ diff --git a/include/grub/arm/coreboot/kernel.h b/include/grub/arm/coreboot/kernel.h new file mode 100644 index 00000000000..09cd7fe328c --- /dev/null +++ b/include/grub/arm/coreboot/kernel.h @@ -0,0 +1,44 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 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 . + */ + +#ifndef GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#ifndef ASM_FILE + +#include +#include + +struct grub_fdt_board +{ + const char *vendor, *part; + const grub_uint8_t *dtb; + grub_size_t dtb_size; +}; + +extern struct grub_fdt_board grub_fdt_boards[]; +void grub_machine_timer_init (void); +void grub_pl050_init (void); +void +grub_cros_init (void); +extern grub_addr_t EXPORT_VAR (start_of_ram); +#endif /* ! ASM_FILE */ + +#define GRUB_KERNEL_MACHINE_STACK_SIZE GRUB_KERNEL_ARM_STACK_SIZE + +#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/offsets.h b/include/grub/offsets.h index c88c86d4d2e..bf0689fc99a 100644 --- a/include/grub/offsets.h +++ b/include/grub/offsets.h @@ -122,6 +122,12 @@ #define GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN 0x8 #define GRUB_KERNEL_ARM_UBOOT_TOTAL_MODULE_SIZE 0x4 +#define GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN 0x8 +#define GRUB_KERNEL_ARM_COREBOOT_TOTAL_MODULE_SIZE 0x4 + +#define GRUB_KERNEL_ARM_STACK_SIZE 0x40000 +#define GRUB_KERNEL_ARM_COREBOOT_MOD_GAP (GRUB_KERNEL_ARM_STACK_SIZE + 1024) + /* Minimal gap between _end and the start of the modules. It's a hack for PowerMac to prevent "CLAIM failed" error. The real fix is to rewrite grub-mkimage to generate valid ELF files. */ diff --git a/grub-core/kern/arm/coreboot/coreboot.S b/grub-core/kern/arm/coreboot/coreboot.S new file mode 100644 index 00000000000..a1104526c15 --- /dev/null +++ b/grub-core/kern/arm/coreboot/coreboot.S @@ -0,0 +1,44 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2016 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 . + */ + +#include + + .file "coreboot.S" + .text + .syntax unified +#if !defined (__thumb2__) + .arch armv7a + .arm +#else + .arch armv7 + .thumb +#endif + +FUNCTION(grub_arm_pfr1) + mrc p15, 0, r0, c0, c1, 1 + bx lr + +FUNCTION(grub_armv7_get_timer_value) + isb + mrrc p15, 1, r0, r1, c14 + bx lr + +FUNCTION(grub_armv7_get_timer_frequency) + mrc p15, 0, r0, c14, c0, 0 + bx lr + diff --git a/grub-core/kern/arm/startup.S b/grub-core/kern/arm/startup.S index 640837cba51..3946fe8e183 100644 --- a/grub-core/kern/arm/startup.S +++ b/grub-core/kern/arm/startup.S @@ -24,6 +24,7 @@ * GRUB is called from U-Boot as a Linux Kernel type image, which * means among other things that it always enters in ARM state. * + * coreboot starts in ARM mode as well. * * Overview of GRUB image layout: * @@ -127,6 +128,8 @@ reloc_done: str r1, EXT_C(grub_modbase) + /* Coreboot already places modules at right place. */ +#ifndef GRUB_MACHINE_COREBOOT add r1, r1, r2 add r0, r0, r2 sub r1, r1, #4 @@ -136,6 +139,7 @@ reloc_done: str r3, [r1], #-4 @ *dst-- = r3 subs r2, #4 @ remaining -= 4 bne 1b @ while remaining != 0 +#endif @ Since we _are_ the C run-time, we need to manually zero the BSS @ region before continuing diff --git a/gentpl.py b/gentpl.py index f08bcc404f6..ed268178b4d 100644 --- a/gentpl.py +++ b/gentpl.py @@ -31,7 +31,8 @@ GRUB_PLATFORMS = [ "emu", "i386_pc", "i386_efi", "i386_qemu", "i386_coreboot", "i386_xen", "x86_64_xen", "mips_loongson", "sparc64_ieee1275", "powerpc_ieee1275", "mips_arc", "ia64_efi", - "mips_qemu_mips", "arm_uboot", "arm_efi", "arm64_efi" ] + "mips_qemu_mips", "arm_uboot", "arm_efi", "arm64_efi", + "arm_coreboot"] GROUPS = {} @@ -44,7 +45,7 @@ GROUPS["x86"] = GROUPS["i386"] + GROUPS["x86_64"] GROUPS["mips"] = [ "mips_loongson", "mips_qemu_mips", "mips_arc" ] GROUPS["sparc64"] = [ "sparc64_ieee1275" ] GROUPS["powerpc"] = [ "powerpc_ieee1275" ] -GROUPS["arm"] = [ "arm_uboot", "arm_efi" ] +GROUPS["arm"] = [ "arm_uboot", "arm_efi", "arm_coreboot" ] GROUPS["arm64"] = [ "arm64_efi" ] # Groups based on firmware @@ -52,6 +53,7 @@ GROUPS["efi"] = [ "i386_efi", "x86_64_efi", "ia64_efi", "arm_efi", "arm64_efi" GROUPS["ieee1275"] = [ "i386_ieee1275", "sparc64_ieee1275", "powerpc_ieee1275" ] GROUPS["uboot"] = [ "arm_uboot" ] GROUPS["xen"] = [ "i386_xen", "x86_64_xen" ] +GROUPS["coreboot"] = [ "i386_coreboot", "arm_coreboot" ] # emu is a special case so many core functionality isn't needed on this platform GROUPS["noemu"] = GRUB_PLATFORMS[:]; GROUPS["noemu"].remove("emu") @@ -64,7 +66,7 @@ GROUPS["pci"] = GROUPS["x86"] + ["mips_loongson"] GROUPS["usb"] = GROUPS["pci"] # If gfxterm is main output console integrate it into kernel -GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot" ] +GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot", "arm_coreboot" ] GROUPS["videomodules"] = GRUB_PLATFORMS[:]; for i in GROUPS["videoinkernel"]: GROUPS["videomodules"].remove(i) diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am index 781d0ffbf75..bec0585549a 100644 --- a/grub-core/Makefile.am +++ b/grub-core/Makefile.am @@ -239,6 +239,16 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/system.h endif +if COND_arm_coreboot +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/system.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/font.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/bufio.h +KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/coreboot/kernel.h +endif + if COND_arm_efi KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/efi/loader.h KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h