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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
commit | 4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9 (patch) | |
tree | 7ee50e6ccf13f75f02fd343cf90750cbd9950194 /arch/parisc/include/asm/assembly.h | |
parent | Releasing progress-linux version 6.1.82-1~progress6.99u1. (diff) | |
download | linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.tar.xz linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.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 |