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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 03:22:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 03:22:49 +0000 |
| commit | 87662aef9c2f9405ca8937c07372641e69113654 (patch) | |
| tree | 612907d41d90d34f497c4bfbbfd9fbd368d2a1d7 /arch/parisc/include/asm/assembly.h | |
| parent | Adding debian version 6.1.82-1. (diff) | |
| download | linux-87662aef9c2f9405ca8937c07372641e69113654.tar.xz linux-87662aef9c2f9405ca8937c07372641e69113654.zip | |
Merging upstream version 6.1.85.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/parisc/include/asm/assembly.h')
| -rw-r--r-- | arch/parisc/include/asm/assembly.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h index 5937d5eda..000a28e1c 100644 --- a/arch/parisc/include/asm/assembly.h +++ b/arch/parisc/include/asm/assembly.h @@ -97,26 +97,28 @@ * version takes two arguments: a src and destination register. * However, the source and destination registers can not be * the same register. + * + * We use add,l to avoid clobbering the C/B bits in the PSW. */ .macro tophys grvirt, grphys - ldil L%(__PAGE_OFFSET), \grphys - sub \grvirt, \grphys, \grphys + ldil L%(-__PAGE_OFFSET), \grphys + addl \grvirt, \grphys, \grphys .endm - + .macro tovirt grphys, grvirt ldil L%(__PAGE_OFFSET), \grvirt - add \grphys, \grvirt, \grvirt + addl \grphys, \grvirt, \grvirt .endm .macro tophys_r1 gr - ldil L%(__PAGE_OFFSET), %r1 - sub \gr, %r1, \gr + ldil L%(-__PAGE_OFFSET), %r1 + addl \gr, %r1, \gr .endm - + .macro tovirt_r1 gr ldil L%(__PAGE_OFFSET), %r1 - add \gr, %r1, \gr + addl \gr, %r1, \gr .endm .macro delay value |