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Diffstat (limited to 'arch/riscv/include/asm/insn-def.h')
-rw-r--r--arch/riscv/include/asm/insn-def.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/insn-def.h b/arch/riscv/include/asm/insn-def.h
index 16044affa57c..e01ab51f50d2 100644
--- a/arch/riscv/include/asm/insn-def.h
+++ b/arch/riscv/include/asm/insn-def.h
@@ -12,6 +12,12 @@
#define INSN_R_RD_SHIFT 7
#define INSN_R_OPCODE_SHIFT 0
+#define INSN_I_SIMM12_SHIFT 20
+#define INSN_I_RS1_SHIFT 15
+#define INSN_I_FUNC3_SHIFT 12
+#define INSN_I_RD_SHIFT 7
+#define INSN_I_OPCODE_SHIFT 0
+
#ifdef __ASSEMBLY__
#ifdef CONFIG_AS_HAS_INSN
@@ -20,6 +26,10 @@
.insn r \opcode, \func3, \func7, \rd, \rs1, \rs2
.endm
+ .macro insn_i, opcode, func3, rd, rs1, simm12
+ .insn i \opcode, \func3, \rd, \rs1, \simm12
+ .endm
+
#else
#include <asm/gpr-num.h>
@@ -33,9 +43,18 @@
(.L__gpr_num_\rs2 << INSN_R_RS2_SHIFT))
.endm
+ .macro insn_i, opcode, func3, rd, rs1, simm12
+ .4byte ((\opcode << INSN_I_OPCODE_SHIFT) | \
+ (\func3 << INSN_I_FUNC3_SHIFT) | \
+ (.L__gpr_num_\rd << INSN_I_RD_SHIFT) | \
+ (.L__gpr_num_\rs1 << INSN_I_RS1_SHIFT) | \
+ (\simm12 << INSN_I_SIMM12_SHIFT))
+ .endm
+
#endif
#define __INSN_R(...) insn_r __VA_ARGS__
+#define __INSN_I(...) insn_i __VA_ARGS__
#else /* ! __ASSEMBLY__ */
@@ -44,6 +63,9 @@
#define __INSN_R(opcode, func3, func7, rd, rs1, rs2) \
".insn r " opcode ", " func3 ", " func7 ", " rd ", " rs1 ", " rs2 "\n"
+#define __INSN_I(opcode, func3, rd, rs1, simm12) \
+ ".insn i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n"
+
#else
#include <linux/stringify.h>
@@ -60,14 +82,32 @@
" (.L__gpr_num_\\rs2 << " __stringify(INSN_R_RS2_SHIFT) "))\n" \
" .endm\n"
+#define DEFINE_INSN_I \
+ __DEFINE_ASM_GPR_NUMS \
+" .macro insn_i, opcode, func3, rd, rs1, simm12\n" \
+" .4byte ((\\opcode << " __stringify(INSN_I_OPCODE_SHIFT) ") |" \
+" (\\func3 << " __stringify(INSN_I_FUNC3_SHIFT) ") |" \
+" (.L__gpr_num_\\rd << " __stringify(INSN_I_RD_SHIFT) ") |" \
+" (.L__gpr_num_\\rs1 << " __stringify(INSN_I_RS1_SHIFT) ") |" \
+" (\\simm12 << " __stringify(INSN_I_SIMM12_SHIFT) "))\n" \
+" .endm\n"
+
#define UNDEFINE_INSN_R \
" .purgem insn_r\n"
+#define UNDEFINE_INSN_I \
+" .purgem insn_i\n"
+
#define __INSN_R(opcode, func3, func7, rd, rs1, rs2) \
DEFINE_INSN_R \
"insn_r " opcode ", " func3 ", " func7 ", " rd ", " rs1 ", " rs2 "\n" \
UNDEFINE_INSN_R
+#define __INSN_I(opcode, func3, rd, rs1, simm12) \
+ DEFINE_INSN_I \
+ "insn_i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n" \
+ UNDEFINE_INSN_I
+
#endif
#endif /* ! __ASSEMBLY__ */
@@ -76,9 +116,14 @@
__INSN_R(RV_##opcode, RV_##func3, RV_##func7, \
RV_##rd, RV_##rs1, RV_##rs2)
+#define INSN_I(opcode, func3, rd, rs1, simm12) \
+ __INSN_I(RV_##opcode, RV_##func3, RV_##rd, \
+ RV_##rs1, RV_##simm12)
+
#define RV_OPCODE(v) __ASM_STR(v)
#define RV_FUNC3(v) __ASM_STR(v)
#define RV_FUNC7(v) __ASM_STR(v)
+#define RV_SIMM12(v) __ASM_STR(v)
#define RV_RD(v) __ASM_STR(v)
#define RV_RS1(v) __ASM_STR(v)
#define RV_RS2(v) __ASM_STR(v)
@@ -87,6 +132,7 @@
#define RV___RS1(v) __RV_REG(v)
#define RV___RS2(v) __RV_REG(v)
+#define RV_OPCODE_MISC_MEM RV_OPCODE(15)
#define RV_OPCODE_SYSTEM RV_OPCODE(115)
#define HFENCE_VVMA(vaddr, asid) \
@@ -134,4 +180,16 @@
INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(51), \
__RD(0), RS1(gaddr), RS2(vmid))
+#define CBO_inval(base) \
+ INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0), \
+ RS1(base), SIMM12(0))
+
+#define CBO_clean(base) \
+ INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0), \
+ RS1(base), SIMM12(1))
+
+#define CBO_flush(base) \
+ INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0), \
+ RS1(base), SIMM12(2))
+
#endif /* __ASM_INSN_DEF_H */