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-rw-r--r--arch/arm/kernel/kprobes-thumb.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/kernel/kprobes-thumb.c b/arch/arm/kernel/kprobes-thumb.c
index 6cc51b48762..bf1113c89b1 100644
--- a/arch/arm/kernel/kprobes-thumb.c
+++ b/arch/arm/kernel/kprobes-thumb.c
@@ -489,6 +489,33 @@ static const union decode_item t32_table_1111_0xxx___1[] = {
DECODE_END
};
+static const union decode_item t32_table_1111_100x_x0x1__1111[] = {
+ /* Memory hints */
+
+ /* PLD (literal) 1111 1000 x001 1111 1111 xxxx xxxx xxxx */
+ /* PLI (literal) 1111 1001 x001 1111 1111 xxxx xxxx xxxx */
+ DECODE_SIMULATE (0xfe7ff000, 0xf81ff000, kprobe_simulate_nop),
+
+ /* PLD{W} (immediate) 1111 1000 10x1 xxxx 1111 xxxx xxxx xxxx */
+ DECODE_OR (0xffd0f000, 0xf890f000),
+ /* PLD{W} (immediate) 1111 1000 00x1 xxxx 1111 1100 xxxx xxxx */
+ DECODE_OR (0xffd0ff00, 0xf810fc00),
+ /* PLI (immediate) 1111 1001 1001 xxxx 1111 xxxx xxxx xxxx */
+ DECODE_OR (0xfff0f000, 0xf990f000),
+ /* PLI (immediate) 1111 1001 0001 xxxx 1111 1100 xxxx xxxx */
+ DECODE_SIMULATEX(0xfff0ff00, 0xf910fc00, kprobe_simulate_nop,
+ REGS(NOPCX, 0, 0, 0, 0)),
+
+ /* PLD{W} (register) 1111 1000 00x1 xxxx 1111 0000 00xx xxxx */
+ DECODE_OR (0xffd0ffc0, 0xf810f000),
+ /* PLI (register) 1111 1001 0001 xxxx 1111 0000 00xx xxxx */
+ DECODE_SIMULATEX(0xfff0ffc0, 0xf910f000, kprobe_simulate_nop,
+ REGS(NOPCX, 0, 0, 0, NOSPPC)),
+
+ /* Other unallocated instructions... */
+ DECODE_END
+};
+
const union decode_item kprobe_decode_thumb32_table[] = {
/*
@@ -540,6 +567,12 @@ const union decode_item kprobe_decode_thumb32_table[] = {
DECODE_REJECT (0xff100000, 0xf9000000),
/*
+ * Memory hints
+ * 1111 100x x0x1 xxxx 1111 xxxx xxxx xxxx
+ */
+ DECODE_TABLE (0xfe50f000, 0xf810f000, t32_table_1111_100x_x0x1__1111),
+
+ /*
* Coprocessor instructions
* 1111 11xx xxxx xxxx xxxx xxxx xxxx xxxx
*/