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author | Guo Ren <ren_guo@c-sky.com> | 2018-09-05 14:25:07 +0800 |
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committer | Guo Ren <ren_guo@c-sky.com> | 2018-10-25 23:36:19 +0800 |
commit | 9143a9359d051142081b26c3726c928f965c5eb7 (patch) | |
tree | dc479bde8b6fe4faf45f2b53519a019708bfe649 /arch/csky/kernel/vmlinux.lds.S | |
parent | 7c768f845104b7c96954ad536be29797eff6a434 (diff) | |
download | linux-9143a9359d051142081b26c3726c928f965c5eb7.tar.gz linux-9143a9359d051142081b26c3726c928f965c5eb7.tar.bz2 linux-9143a9359d051142081b26c3726c928f965c5eb7.zip |
csky: Kernel booting
This patch add boot code. Thx boot params is all in dtb and it's
the only way to let kernel get bootloader param information.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/kernel/vmlinux.lds.S')
-rw-r--r-- | arch/csky/kernel/vmlinux.lds.S | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/csky/kernel/vmlinux.lds.S b/arch/csky/kernel/vmlinux.lds.S new file mode 100644 index 000000000000..ae7961b973f2 --- /dev/null +++ b/arch/csky/kernel/vmlinux.lds.S @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include <asm/vmlinux.lds.h> +#include <asm/page.h> + +OUTPUT_ARCH(csky) +ENTRY(_start) + +#ifndef __cskyBE__ +jiffies = jiffies_64; +#else +jiffies = jiffies_64 + 4; +#endif + +#define VBR_BASE \ + . = ALIGN(1024); \ + vec_base = .; \ + . += 512; + +SECTIONS +{ + . = PAGE_OFFSET + PHYS_OFFSET_OFFSET; + + _stext = .; + __init_begin = .; + HEAD_TEXT_SECTION + INIT_TEXT_SECTION(PAGE_SIZE) + INIT_DATA_SECTION(PAGE_SIZE) + PERCPU_SECTION(L1_CACHE_BYTES) + . = ALIGN(PAGE_SIZE); + __init_end = .; + + .text : AT(ADDR(.text) - LOAD_OFFSET) { + _text = .; + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT + TEXT_TEXT + SCHED_TEXT + CPUIDLE_TEXT + LOCK_TEXT + KPROBES_TEXT + *(.fixup) + *(.gnu.warning) + } = 0 + _etext = .; + + /* __init_begin __init_end must be page aligned for free_initmem */ + . = ALIGN(PAGE_SIZE); + + + _sdata = .; + RO_DATA_SECTION(PAGE_SIZE) + RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + _edata = .; + + NOTES + EXCEPTION_TABLE(L1_CACHE_BYTES) + BSS_SECTION(L1_CACHE_BYTES, PAGE_SIZE, L1_CACHE_BYTES) + VBR_BASE + _end = . ; + + STABS_DEBUG + DWARF_DEBUG + + DISCARDS +} |