diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 17:45:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-08 10:07:34 +0100 |
| commit | 80924ac595f3ca32ec0a80cc1217c7019d3519ff (patch) | |
| tree | 5628f3d729756728cc37fceb39c72835a8ea79e4 /arch/arm/kernel/head-common.S | |
| parent | c083c6609b290a650894f846270a9233401adc22 (diff) | |
ARM: cleanup lookup_machine_type data and ensure these are placed in __HEAD
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/head-common.S')
| -rw-r--r-- | arch/arm/kernel/head-common.S | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index 7c6f9ab47b9..c4effcfba1e 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -24,6 +24,7 @@ * and hope for the best (useful if bootloader fails to pass a proper * machine ID for example). */ + __HEAD __error_a: #ifdef CONFIG_DEBUG_LL mov r4, r1 @ preserve machine ID @@ -33,7 +34,7 @@ __error_a: bl printhex8 adr r0, str_a2 bl printascii - adr r3, 4f + adr r3, __lookup_machine_type_data ldmia r3, {r4, r5, r6} @ get machine desc list sub r4, r3, r4 @ get offset between virt&phys add r5, r5, r4 @ convert virt addresses to @@ -62,15 +63,6 @@ str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" #endif /* - * Look in <asm/procinfo.h> and arch/arm/kernel/arch.[ch] for - * more information about the __proc_info and __arch_info structures. - */ - .align 2 -4: .long . - .long __arch_info_begin - .long __arch_info_end - -/* * Lookup machine architecture in the linker-build list of architectures. * Note that we can't use the absolute addresses for the __arch_info * lists since we aren't running with the MMU on (and therefore, we are @@ -82,7 +74,7 @@ str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" * r5 = mach_info pointer in physical address space */ __lookup_machine_type: - adr r3, 4b + adr r3, __lookup_machine_type_data ldmia r3, {r4, r5, r6} sub r3, r3, r4 @ get offset between virt&phys add r5, r5, r3 @ convert virt addresses to @@ -97,6 +89,18 @@ __lookup_machine_type: 2: mov pc, lr ENDPROC(__lookup_machine_type) +/* + * Look in arch/arm/kernel/arch.[ch] for information about the + * __arch_info structures. + */ + .align 2 + .type __lookup_machine_type_data, %object +__lookup_machine_type_data: + .long . + .long __arch_info_begin + .long __arch_info_end + .size __lookup_machine_type_data, . - __lookup_machine_type_data + /* Determine validity of the r2 atags pointer. The heuristic requires * that the pointer be aligned, in the first 16k of physical RAM and * that the ATAG_CORE marker is first and present. Future revisions |