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| author |  Nicholas Piggin <npiggin@gmail.com>
| 2021-10-22 16:13:22 +1000 |
|---|---|---|
| committer |  Michael Ellerman <mpe@ellerman.id.au>
| 2021-11-29 23:15:20 +1100 |
| commit | aebd1fb45c622e9a2b06fb70665d084d3a8d6c78 (patch) | |
| tree | bbaa2fbe8031777db50609e15349c1f35344e10f /arch/powerpc/kernel/head_booke.h | |
| parent | powerpc/watchdog: help remote CPUs to flush NMI printk output (diff) | |
| download | linux-aebd1fb45c622e9a2b06fb70665d084d3a8d6c78.tar.gz linux-aebd1fb45c622e9a2b06fb70665d084d3a8d6c78.tar.bz2 linux-aebd1fb45c622e9a2b06fb70665d084d3a8d6c78.zip | |
powerpc: flexible GPR range save/restore macros
Introduce macros that operate on a (start, end) range of GPRs, which
reduces lines of code and need to do mental arithmetic while reading the
code.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211022061322.2671178-1-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/head_booke.h')
| -rw-r--r-- | arch/powerpc/kernel/head_booke.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index ef8d1b1c234e..bb6d5d0fc4ac 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -87,8 +87,7 @@ END_BTB_FLUSH_SECTION stw r10, 8(r1) li r10, \trapno stw r10,_TRAP(r1) - SAVE_4GPRS(3, r1) - SAVE_2GPRS(7, r1) + SAVE_GPRS(3, 8, r1) SAVE_NVGPRS(r1) stw r2,GPR2(r1) stw r12,_NIP(r1) |