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| author | Arnd Bergmann <arnd@arndb.de> | 2011-07-15 21:56:37 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-07-15 21:56:37 +0200 |
| commit | 62778396020a29d742abf980c1e83f3df4b5426e (patch) | |
| tree | 08dc01019a1afe6ed16ab79c627ecd81caea52e0 /arch/arm/boot/compressed/head.S | |
| parent | 58f45e3c6f4fd2b9b9d7d43af71409a79a4b4cf6 (diff) | |
| parent | d3144df5bd8eb1c8137cc92989e2e6bc9f2e5a27 (diff) | |
| download | lwn-62778396020a29d742abf980c1e83f3df4b5426e.tar.gz lwn-62778396020a29d742abf980c1e83f3df4b5426e.zip | |
Merge branch 'fixes-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/fixes
Diffstat (limited to 'arch/arm/boot/compressed/head.S')
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 942fad97e447..940b20178107 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -597,6 +597,8 @@ __common_mmu_cache_on: sub pc, lr, r0, lsr #32 @ properly flush pipeline #endif +#define PROC_ENTRY_SIZE (4*5) + /* * Here follow the relocatable cache support functions for the * various processors. This is a generic hook for locating an @@ -624,7 +626,7 @@ call_cache_fn: adr r12, proc_types ARM( addeq pc, r12, r3 ) @ call cache function THUMB( addeq r12, r3 ) THUMB( moveq pc, r12 ) @ call cache function - add r12, r12, #4*5 + add r12, r12, #PROC_ENTRY_SIZE b 1b /* @@ -794,6 +796,16 @@ proc_types: .size proc_types, . - proc_types + /* + * If you get a "non-constant expression in ".if" statement" + * error from the assembler on this line, check that you have + * not accidentally written a "b" instruction where you should + * have written W(b). + */ + .if (. - proc_types) % PROC_ENTRY_SIZE != 0 + .error "The size of one or more proc_types entries is wrong." + .endif + /* * Turn off the Cache and MMU. ARMv3 does not support * reading the control register, but ARMv4 does. |