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-rw-r--r--arch/loongarch/include/asm/inst.h5
-rw-r--r--arch/loongarch/kernel/inst.c12
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/inst.h b/arch/loongarch/include/asm/inst.h
index 277d2140676b..55e64a12a124 100644
--- a/arch/loongarch/include/asm/inst.h
+++ b/arch/loongarch/include/asm/inst.h
@@ -77,6 +77,10 @@ enum reg2_op {
iocsrwrh_op = 0x19205,
iocsrwrw_op = 0x19206,
iocsrwrd_op = 0x19207,
+ llacqw_op = 0xe15e0,
+ screlw_op = 0xe15e1,
+ llacqd_op = 0xe15e2,
+ screld_op = 0xe15e3,
};
enum reg2i5_op {
@@ -189,6 +193,7 @@ enum reg3_op {
fldxd_op = 0x7068,
fstxs_op = 0x7070,
fstxd_op = 0x7078,
+ scq_op = 0x70ae,
amswapw_op = 0x70c0,
amswapd_op = 0x70c1,
amaddw_op = 0x70c2,
diff --git a/arch/loongarch/kernel/inst.c b/arch/loongarch/kernel/inst.c
index 72ecfed29d55..bf037f0c6b26 100644
--- a/arch/loongarch/kernel/inst.c
+++ b/arch/loongarch/kernel/inst.c
@@ -141,6 +141,9 @@ bool insns_not_supported(union loongarch_instruction insn)
case amswapw_op ... ammindbdu_op:
pr_notice("atomic memory access instructions are not supported\n");
return true;
+ case scq_op:
+ pr_notice("sc.q instruction is not supported\n");
+ return true;
}
switch (insn.reg2i14_format.opcode) {
@@ -152,6 +155,15 @@ bool insns_not_supported(union loongarch_instruction insn)
return true;
}
+ switch (insn.reg2_format.opcode) {
+ case llacqw_op:
+ case llacqd_op:
+ case screlw_op:
+ case screld_op:
+ pr_notice("llacq and screl instructions are not supported\n");
+ return true;
+ }
+
switch (insn.reg1i21_format.opcode) {
case bceqz_op:
pr_notice("bceqz and bcnez instructions are not supported\n");