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| author | Max Filippov <jcmvbkbc@gmail.com> | 2015-10-16 15:30:37 (GMT) |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2015-11-03 14:19:39 (GMT) |
| commit | 0d848afe117ac3e31b9d57b65553ff18ef9d288f (patch) | |
| tree | 9aa4ebb2625447a80174901cd631d473ad4050f2 /arch/xtensa/boot | |
| parent | ab45fb145096799dabd18afc58bb5f97171017cd (diff) | |
| download | linux-0d848afe117ac3e31b9d57b65553ff18ef9d288f.tar.xz | |
xtensa: drop unused sections and remapped reset handlers
There are no .bootstrap or .ResetVector.text sections linked to the
vmlinux image, drop these sections from vmlinux.ld.S. Drop
RESET_VECTOR_VADDR definition only used for .ResetVector.text.
Drop remapped copies of primary and secondary reset vectors, as modern
gdb don't have problems stepping through instructions at arbitrary
locations. Drop corresponding sections from the corresponding linker
scripts.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/boot')
| -rw-r--r-- | arch/xtensa/boot/boot-elf/boot.lds.S | 13 | ||||
| -rw-r--r-- | arch/xtensa/boot/boot-elf/bootstrap.S | 28 |
2 files changed, 0 insertions, 41 deletions
diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S index 958b33a..e54f2c9 100644 --- a/arch/xtensa/boot/boot-elf/boot.lds.S +++ b/arch/xtensa/boot/boot-elf/boot.lds.S @@ -40,17 +40,4 @@ SECTIONS *(.bss) __bss_end = .; } - -#ifdef CONFIG_MMU - /* - * This is a remapped copy of the Reset Vector Code. - * It keeps gdb in sync with the PC after switching - * to the temporary mapping used while setting up - * the V2 MMU mappings for Linux. - */ - .ResetVector.remapped_text 0x46000000 (INFO): - { - *(.ResetVector.remapped_text) - } -#endif } diff --git a/arch/xtensa/boot/boot-elf/bootstrap.S b/arch/xtensa/boot/boot-elf/bootstrap.S index 9341a57..e6bf313 100644 --- a/arch/xtensa/boot/boot-elf/bootstrap.S +++ b/arch/xtensa/boot/boot-elf/bootstrap.S @@ -58,8 +58,6 @@ _SetupMMU: wsr a0, ps rsync - Offset = _SetupMMU - _ResetVector - #ifndef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX initialize_mmu #endif @@ -74,29 +72,3 @@ reset: movi a3, 0 movi a4, 0 jx a0 - -#ifdef CONFIG_MMU - .align 4 - - .section .ResetVector.remapped_text, "x" - .global _RemappedResetVector - - /* Do org before literals */ - .org 0 - -_RemappedResetVector: - .begin no-absolute-literals - .literal_position - - _j _RemappedSetupMMU - - /* Position Remapped code at the same location as the original code */ - . = _RemappedResetVector + Offset - -_RemappedSetupMMU: -#ifndef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX - initialize_mmu -#endif - - .end no-absolute-literals -#endif |