diff options
| -rw-r--r-- | arch/arm/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/sections.h | 8 | ||||
| -rw-r--r-- | arch/arm/kernel/module.c | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/vmlinux-xip.lds.S | 2 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 8 |
5 files changed, 17 insertions, 4 deletions
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 16da6380eb85..3f6616b472af 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -23,7 +23,6 @@ generic-y += preempt.h generic-y += resource.h generic-y += rwsem.h generic-y += seccomp.h -generic-y += sections.h generic-y += segment.h generic-y += sembuf.h generic-y += serial.h diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h new file mode 100644 index 000000000000..803bbf2b20b8 --- /dev/null +++ b/arch/arm/include/asm/sections.h @@ -0,0 +1,8 @@ +#ifndef _ASM_ARM_SECTIONS_H +#define _ASM_ARM_SECTIONS_H + +#include <asm-generic/sections.h> + +extern char _exiprom[]; + +#endif /* _ASM_ARM_SECTIONS_H */ diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index efdddcb97dd1..4f14b5ce6535 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -34,7 +34,7 @@ * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off. */ #undef MODULES_VADDR -#define MODULES_VADDR (((unsigned long)_etext + ~PMD_MASK) & PMD_MASK) +#define MODULES_VADDR (((unsigned long)_exiprom + ~PMD_MASK) & PMD_MASK) #endif #ifdef CONFIG_MMU diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index 7b1ded6fb628..40bc4cadb959 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -85,6 +85,7 @@ SECTIONS } . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR); + _xiprom = .; /* XIP ROM area to be mapped */ .head.text : { _text = .; @@ -210,6 +211,7 @@ SECTIONS PERCPU_SECTION(L1_CACHE_BYTES) #endif + _exiprom = .; /* End of XIP ROM area */ __data_loc = ALIGN(4); /* location in binary */ . = PAGE_OFFSET + TEXT_OFFSET; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 434d76f0b363..e4b681aafd6d 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1253,7 +1253,7 @@ static inline void prepare_page_table(void) #ifdef CONFIG_XIP_KERNEL /* The XIP kernel is mapped in the module area -- skip over it */ - addr = ((unsigned long)_etext + PMD_SIZE - 1) & PMD_MASK; + addr = ((unsigned long)_exiprom + PMD_SIZE - 1) & PMD_MASK; #endif for ( ; addr < PAGE_OFFSET; addr += PMD_SIZE) pmd_clear(pmd_off_k(addr)); @@ -1335,7 +1335,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) #ifdef CONFIG_XIP_KERNEL map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); map.virtual = MODULES_VADDR; - map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; + map.length = ((unsigned long)_exiprom - map.virtual + ~SECTION_MASK) & SECTION_MASK; map.type = MT_ROM; create_mapping(&map); #endif @@ -1426,7 +1426,11 @@ static void __init kmap_init(void) static void __init map_lowmem(void) { struct memblock_region *reg; +#ifdef CONFIG_XIP_KERNEL + phys_addr_t kernel_x_start = round_down(__pa(_sdata), SECTION_SIZE); +#else phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); +#endif phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); /* Map all the lowmem memory banks. */ |