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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/loongarch/kernel/inst.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/kernel/inst.c')
-rw-r--r--arch/loongarch/kernel/inst.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/inst.c b/arch/loongarch/kernel/inst.c
new file mode 100644
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+++ b/arch/loongarch/kernel/inst.c
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+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#include <asm/inst.h>
+
+u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm)
+{
+ union loongarch_instruction insn;
+
+ insn.reg1i20_format.opcode = lu32id_op;
+ insn.reg1i20_format.rd = rd;
+ insn.reg1i20_format.immediate = imm;
+
+ return insn.word;
+}
+
+u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
+{
+ union loongarch_instruction insn;
+
+ insn.reg2i12_format.opcode = lu52id_op;
+ insn.reg2i12_format.rd = rd;
+ insn.reg2i12_format.rj = rj;
+ insn.reg2i12_format.immediate = imm;
+
+ return insn.word;
+}
+
+u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, unsigned long pc, unsigned long dest)
+{
+ union loongarch_instruction insn;
+
+ insn.reg2i16_format.opcode = jirl_op;
+ insn.reg2i16_format.rd = rd;
+ insn.reg2i16_format.rj = rj;
+ insn.reg2i16_format.immediate = (dest - pc) >> 2;
+
+ return insn.word;
+}