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Diffstat (limited to 'arch/mips/include/uapi/asm/inst.h')
-rw-r--r--arch/mips/include/uapi/asm/inst.h82
1 files changed, 77 insertions, 5 deletions
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index d61897535926..c29dbc8c1d49 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Format of an instruction in memory.
*
@@ -54,9 +55,9 @@ enum spec_op {
spec3_unused_op, spec4_unused_op, slt_op, sltu_op,
dadd_op, daddu_op, dsub_op, dsubu_op,
tge_op, tgeu_op, tlt_op, tltu_op,
- teq_op, spec5_unused_op, tne_op, spec6_unused_op,
- dsll_op, spec7_unused_op, dsrl_op, dsra_op,
- dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op
+ teq_op, seleqz_op, tne_op, selnez_op,
+ dsll_op, spec5_unused_op, dsrl_op, dsra_op,
+ dsll32_op, spec6_unused_op, dsrl32_op, dsra32_op
};
/*
@@ -272,6 +273,27 @@ enum lx_func {
};
/*
+ * func field for special2 MXU opcodes (Ingenic XBurst MXU).
+ */
+enum mxu_func {
+ /* TODO, other MXU funcs */
+ mxu_lx_op = 0x28,
+};
+
+/*
+ * op field for special2 MXU LX opcodes (Ingenic XBurst MXU).
+ */
+enum lx_ingenic_func {
+ mxu_lxb_op,
+ mxu_lxh_op,
+ /* reserved */
+ mxu_lxw_op = 3,
+ mxu_lxbu_op,
+ mxu_lxhu_op,
+ /* more reserved */
+};
+
+/*
* BSHFL opcodes
*/
enum bshfl_func {
@@ -368,8 +390,9 @@ enum mm_32a_minor_op {
mm_ext_op = 0x02c,
mm_pool32axf_op = 0x03c,
mm_srl32_op = 0x040,
+ mm_srlv32_op = 0x050,
mm_sra_op = 0x080,
- mm_srlv32_op = 0x090,
+ mm_srav_op = 0x090,
mm_rotr_op = 0x0c0,
mm_lwxs_op = 0x118,
mm_addu32_op = 0x150,
@@ -772,6 +795,17 @@ struct dsp_format { /* SPEC3 DSP format instructions */
;))))))
};
+struct mxu_lx_format { /* SPEC2 MXU LX format instructions */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int rs : 5,
+ __BITFIELD_FIELD(unsigned int rt : 5,
+ __BITFIELD_FIELD(unsigned int rd : 5,
+ __BITFIELD_FIELD(unsigned int strd : 2,
+ __BITFIELD_FIELD(unsigned int op : 3,
+ __BITFIELD_FIELD(unsigned int func : 6,
+ ;)))))))
+};
+
struct spec3_format { /* SPEC3 */
__BITFIELD_FIELD(unsigned int opcode:6,
__BITFIELD_FIELD(unsigned int rs:5,
@@ -981,12 +1015,46 @@ struct mm16_r3_format { /* Load from global pointer format */
struct mm16_r5_format { /* Load/store from stack pointer format */
__BITFIELD_FIELD(unsigned int opcode : 6,
__BITFIELD_FIELD(unsigned int rt : 5,
- __BITFIELD_FIELD(signed int simmediate : 5,
+ __BITFIELD_FIELD(unsigned int imm : 5,
__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
;))))
};
/*
+ * Loongson-3 overridden COP2 instruction formats (32-bit length)
+ */
+struct loongson3_lswc2_format { /* Loongson-3 overridden lwc2/swc2 Load/Store format */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int base : 5,
+ __BITFIELD_FIELD(unsigned int rt : 5,
+ __BITFIELD_FIELD(unsigned int fr : 1,
+ __BITFIELD_FIELD(unsigned int offset : 9,
+ __BITFIELD_FIELD(unsigned int ls : 1,
+ __BITFIELD_FIELD(unsigned int rq : 5,
+ ;)))))))
+};
+
+struct loongson3_lsdc2_format { /* Loongson-3 overridden ldc2/sdc2 Load/Store format */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int base : 5,
+ __BITFIELD_FIELD(unsigned int rt : 5,
+ __BITFIELD_FIELD(unsigned int index : 5,
+ __BITFIELD_FIELD(unsigned int offset : 8,
+ __BITFIELD_FIELD(unsigned int opcode1 : 3,
+ ;))))))
+};
+
+struct loongson3_lscsr_format { /* Loongson-3 CPUCFG&CSR read/write format */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int rs : 5,
+ __BITFIELD_FIELD(unsigned int fr : 5,
+ __BITFIELD_FIELD(unsigned int rd : 5,
+ __BITFIELD_FIELD(unsigned int fd : 5,
+ __BITFIELD_FIELD(unsigned int func : 6,
+ ;))))))
+};
+
+/*
* MIPS16e instruction formats (16-bit length)
*/
struct m16e_rr {
@@ -1086,6 +1154,10 @@ union mips_instruction {
struct mm16_rb_format mm16_rb_format;
struct mm16_r3_format mm16_r3_format;
struct mm16_r5_format mm16_r5_format;
+ struct loongson3_lswc2_format loongson3_lswc2_format;
+ struct loongson3_lsdc2_format loongson3_lsdc2_format;
+ struct loongson3_lscsr_format loongson3_lscsr_format;
+ struct mxu_lx_format mxu_lx_format;
};
union mips16e_instruction {