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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mm/pabort-v7.S
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mm/pabort-v7.S')
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1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S
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+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+/*
+ * Function: v7_pabort
+ *
+ * Params : r2 = pt_regs
+ * : r4 = address of aborted instruction
+ * : r5 = psr for parent context
+ *
+ * Returns : r4 - r11, r13 preserved
+ *
+ * Purpose : obtain information about current prefetch abort.
+ */
+
+ .align 5
+ENTRY(v7_pabort)
+ mrc p15, 0, r0, c6, c0, 2 @ get IFAR
+ mrc p15, 0, r1, c5, c0, 1 @ get IFSR
+ b do_PrefetchAbort
+ENDPROC(v7_pabort)