@@ -8,6 +8,8 @@
#include <linux/types.h>
#include <asm/asm.h>
+#define INSN_BREAK 0x002a0000
+
#define ADDR_IMMMASK_LU52ID 0xFFF0000000000000
#define ADDR_IMMMASK_LU32ID 0x000FFFFF00000000
#define ADDR_IMMMASK_ADDU16ID 0x00000000FFFF0000
@@ -18,9 +20,14 @@
#define ADDR_IMM(addr, INSN) ((addr & ADDR_IMMMASK_##INSN) >> ADDR_IMMSHIFT_##INSN)
+enum reg0i26_op {
+ b_op = 0x14,
+};
+
enum reg1i20_op {
lu12iw_op = 0x0a,
lu32id_op = 0x0b,
+ pcaddu18i_op = 0x0f,
};
enum reg1i21_op {
@@ -28,6 +35,12 @@ enum reg1i21_op {
bnez_op = 0x11,
};
+enum reg2_op {
+ revb2h_op = 0x0c,
+ revb2w_op = 0x0e,
+ revbd_op = 0x0f,
+};
+
enum reg2i12_op {
addiw_op = 0x0a,
addid_op = 0x0b,
@@ -40,6 +53,16 @@ enum reg2i12_op {
sth_op = 0xa5,
stw_op = 0xa6,
std_op = 0xa7,
+ ldbu_op = 0xa8,
+ ldhu_op = 0xa9,
+ ldwu_op = 0xaa,
+};
+
+enum reg2i14_op {
+ llw_op = 0x20,
+ scw_op = 0x21,
+ lld_op = 0x22,
+ scd_op = 0x23,
};
enum reg2i16_op {
@@ -52,6 +75,59 @@ enum reg2i16_op {
bgeu_op = 0x1b,
};
+enum reg2ui5_op {
+ slliw_op = 0x81,
+ srliw_op = 0x89,
+ sraiw_op = 0x91,
+};
+
+enum reg2ui6_op {
+ sllid_op = 0x41,
+ srlid_op = 0x45,
+ sraid_op = 0x49,
+};
+
+enum reg2ui12_op {
+ andi_op = 0xd,
+ ori_op = 0xe,
+ xori_op = 0xf,
+};
+
+enum reg3_op {
+ addd_op = 0x21,
+ subd_op = 0x23,
+ and_op = 0x29,
+ or_op = 0x2a,
+ xor_op = 0x2b,
+ sllw_op = 0x2e,
+ srlw_op = 0x2f,
+ sraw_op = 0x30,
+ slld_op = 0x31,
+ srld_op = 0x32,
+ srad_op = 0x33,
+ muld_op = 0x3b,
+ divdu_op = 0x46,
+ moddu_op = 0x47,
+ ldxd_op = 0x7018,
+ stxb_op = 0x7020,
+ stxh_op = 0x7028,
+ stxw_op = 0x7030,
+ stxd_op = 0x7038,
+ ldxbu_op = 0x7040,
+ ldxhu_op = 0x7048,
+ ldxwu_op = 0x7050,
+ amswapw_op = 0x70c0,
+ amswapd_op = 0x70c1,
+ amaddw_op = 0x70c2,
+ amaddd_op = 0x70c3,
+ amandw_op = 0x70c4,
+ amandd_op = 0x70c5,
+ amorw_op = 0x70c6,
+ amord_op = 0x70c7,
+ amxorw_op = 0x70c8,
+ amxord_op = 0x70c9,
+};
+
struct reg0i26_format {
signed int immediate_h : 10;
signed int immediate_l : 16;
@@ -71,6 +147,12 @@ struct reg1i21_format {
unsigned int opcode : 6;
};
+struct reg2_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int opcode : 22;
+};
+
struct reg2i12_format {
unsigned int rd : 5;
unsigned int rj : 5;
@@ -78,6 +160,13 @@ struct reg2i12_format {
unsigned int opcode : 10;
};
+struct reg2i14_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ signed int immediate : 14;
+ unsigned int opcode : 8;
+};
+
struct reg2i16_format {
unsigned int rd : 5;
unsigned int rj : 5;
@@ -85,13 +174,47 @@ struct reg2i16_format {
unsigned int opcode : 6;
};
+struct reg2ui5_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 5;
+ unsigned int opcode : 17;
+};
+
+struct reg2ui6_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 6;
+ unsigned int opcode : 16;
+};
+
+struct reg2ui12_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 12;
+ unsigned int opcode : 10;
+};
+
+struct reg3_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int rk : 5;
+ unsigned int opcode : 17;
+};
+
union loongarch_instruction {
unsigned int word;
- struct reg0i26_format reg0i26_format;
- struct reg1i20_format reg1i20_format;
- struct reg1i21_format reg1i21_format;
- struct reg2i12_format reg2i12_format;
- struct reg2i16_format reg2i16_format;
+ struct reg0i26_format reg0i26_format;
+ struct reg1i20_format reg1i20_format;
+ struct reg1i21_format reg1i21_format;
+ struct reg2_format reg2_format;
+ struct reg2i12_format reg2i12_format;
+ struct reg2i14_format reg2i14_format;
+ struct reg2i16_format reg2i16_format;
+ struct reg2ui5_format reg2ui5_format;
+ struct reg2ui6_format reg2ui6_format;
+ struct reg2ui12_format reg2ui12_format;
+ struct reg3_format reg3_format;
};
#define LOONGARCH_INSN_SIZE sizeof(union loongarch_instruction)
According to the "Table of Instruction Encoding" in LoongArch Reference Manual [1], add some instruction opcodes and formats which are used in the BPF JIT for LoongArch. [1] https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#table-of-instruction-encoding Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> --- arch/loongarch/include/asm/inst.h | 133 ++++++++++++++++++++++++++++++++++++-- 1 file changed, 128 insertions(+), 5 deletions(-)