diff options
author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2007-09-13 14:23:48 -0400 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-18 13:11:46 -0400 |
commit | 15ad838d281b3681d96e37cba8a628177da8f4ff (patch) | |
tree | 655606a3de4a688ac5b409e7986ceb20b8c258c0 /arch/mips/kernel/head.S | |
parent | d85714d81cc0408daddb68c10f7fd69eafe7c213 (diff) |
[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>
Diffstat (limited to 'arch/mips/kernel/head.S')
-rw-r--r-- | arch/mips/kernel/head.S | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index bf164a562acb..236768731063 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S | |||
@@ -27,16 +27,6 @@ | |||
27 | 27 | ||
28 | #include <kernel-entry-init.h> | 28 | #include <kernel-entry-init.h> |
29 | 29 | ||
30 | .macro ARC64_TWIDDLE_PC | ||
31 | #if defined(CONFIG_ARC64) || defined(CONFIG_MAPPED_KERNEL) | ||
32 | /* We get launched at a XKPHYS address but the kernel is linked to | ||
33 | run at a KSEG0 address, so jump there. */ | ||
34 | PTR_LA t0, \@f | ||
35 | jr t0 | ||
36 | \@: | ||
37 | #endif | ||
38 | .endm | ||
39 | |||
40 | /* | 30 | /* |
41 | * inputs are the text nasid in t1, data nasid in t2. | 31 | * inputs are the text nasid in t1, data nasid in t2. |
42 | */ | 32 | */ |
@@ -157,7 +147,11 @@ NESTED(kernel_entry, 16, sp) # kernel entry point | |||
157 | 147 | ||
158 | setup_c0_status_pri | 148 | setup_c0_status_pri |
159 | 149 | ||
160 | ARC64_TWIDDLE_PC | 150 | /* We might not get launched at the address the kernel is linked to, |
151 | so we jump there. */ | ||
152 | PTR_LA t0, 0f | ||
153 | jr t0 | ||
154 | 0: | ||
161 | 155 | ||
162 | #ifdef CONFIG_MIPS_MT_SMTC | 156 | #ifdef CONFIG_MIPS_MT_SMTC |
163 | /* | 157 | /* |