diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2007-09-13 20:23:48 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-18 18:11:46 +0100 |
| commit | 15ad838d281b3681d96e37cba8a628177da8f4ff (patch) | |
| tree | 655606a3de4a688ac5b409e7986ceb20b8c258c0 | |
| parent | d85714d81cc0408daddb68c10f7fd69eafe7c213 (diff) | |
| download | op-kernel-dev-15ad838d281b3681d96e37cba8a628177da8f4ff.zip op-kernel-dev-15ad838d281b3681d96e37cba8a628177da8f4ff.tar.gz | |
[MIPS] Always do the ARC64_TWIDDLE_PC thing.
Always jump to the place where the kernel is linked to. This helps where
the bootloaders/proms ignores the start address inside the ELF header.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/head.S | 16 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/kernel-entry-init.h | 9 |
2 files changed, 13 insertions, 12 deletions
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index bf164a5..2367687 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -27,16 +27,6 @@ #include <kernel-entry-init.h> - .macro ARC64_TWIDDLE_PC -#if defined(CONFIG_ARC64) || defined(CONFIG_MAPPED_KERNEL) - /* We get launched at a XKPHYS address but the kernel is linked to - run at a KSEG0 address, so jump there. */ - PTR_LA t0, \@f - jr t0 -\@: -#endif - .endm - /* * inputs are the text nasid in t1, data nasid in t2. */ @@ -157,7 +147,11 @@ NESTED(kernel_entry, 16, sp) # kernel entry point setup_c0_status_pri - ARC64_TWIDDLE_PC + /* We might not get launched at the address the kernel is linked to, + so we jump there. */ + PTR_LA t0, 0f + jr t0 +0: #ifdef CONFIG_MIPS_MT_SMTC /* diff --git a/include/asm-mips/mach-ip27/kernel-entry-init.h b/include/asm-mips/mach-ip27/kernel-entry-init.h index c1a1031..624d66c 100644 --- a/include/asm-mips/mach-ip27/kernel-entry-init.h +++ b/include/asm-mips/mach-ip27/kernel-entry-init.h @@ -46,7 +46,14 @@ lh t1, KV_RO_NASID_OFFSET(t0) lh t2, KV_RW_NASID_OFFSET(t0) MAPPED_KERNEL_SETUP_TLB - ARC64_TWIDDLE_PC + + /* + * We might not get launched at the address the kernel is linked to, + * so we jump there. + */ + PTR_LA t0, 0f + jr t0 +0: .endm #endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */ |
