diff options
Diffstat (limited to 'src/arch/arm/include')
| -rw-r--r-- | src/arch/arm/include/arch/header.ld | 33 | ||||
| -rw-r--r-- | src/arch/arm/include/arch/memlayout.h | 38 | ||||
| -rw-r--r-- | src/arch/arm/include/arch/stages.h | 2 |
3 files changed, 72 insertions, 1 deletions
diff --git a/src/arch/arm/include/arch/header.ld b/src/arch/arm/include/arch/header.ld new file mode 100644 index 0000000000..2138c774be --- /dev/null +++ b/src/arch/arm/include/arch/header.ld @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * This program 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; version 2 of the License. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* We use ELF as output format. So that we can debug the code in some form. */ +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) + +PHDRS +{ + to_load PT_LOAD; +} + +#ifdef __BOOTBLOCK__ +ENTRY(_start) +#else +ENTRY(stage_entry) +#endif diff --git a/src/arch/arm/include/arch/memlayout.h b/src/arch/arm/include/arch/memlayout.h new file mode 100644 index 0000000000..9f5b383160 --- /dev/null +++ b/src/arch/arm/include/arch/memlayout.h @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * This program 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; version 2 of the License. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* This file contains macro definitions for memlayout.ld linker scripts. */ + +#ifndef __ARCH_MEMLAYOUT_H +#define __ARCH_MEMLAYOUT_H + +#define TTB(addr, size) \ + REGION(ttb, addr, size, 16K) \ + _ = ASSERT(size >= 16K + IS_ENABLED(CONFIG_ARM_LPAE) * 32, \ + "TTB must be 16K (+ 32 for LPAE)!"); + +/* ARM stacks need 8-byte alignment and stay in one place through ramstage. */ +#define STACK(addr, size) REGION(stack, addr, size, 8) + +#define DMA_COHERENT(addr, size) \ + REGION(dma_coherent, addr, size, (1 + IS_ENABLED(CONFIG_ARM_LPAE)) * 1M) \ + _ = ASSERT(size % ((1 + IS_ENABLED(CONFIG_ARM_LPAE)) * 1M) == 0, \ + "DMA coherency buffer must fit exactly in full superpages!"); + +#endif /* __ARCH_MEMLAYOUT_H */ diff --git a/src/arch/arm/include/arch/stages.h b/src/arch/arm/include/arch/stages.h index 39fed990c5..1a0dcc1f86 100644 --- a/src/arch/arm/include/arch/stages.h +++ b/src/arch/arm/include/arch/stages.h @@ -22,7 +22,7 @@ extern void main(void); -void stage_entry(void) __attribute__((section(".text.stage_entry.arm"))); +void stage_entry(void); void stage_exit(void *); #endif |