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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/riscv/include/asm/insn-def.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/include/asm/insn-def.h')
-rw-r--r--arch/riscv/include/asm/insn-def.h199
1 files changed, 199 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/insn-def.h b/arch/riscv/include/asm/insn-def.h
new file mode 100644
index 0000000000..6960beb75f
--- /dev/null
+++ b/arch/riscv/include/asm/insn-def.h
@@ -0,0 +1,199 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ASM_INSN_DEF_H
+#define __ASM_INSN_DEF_H
+
+#include <asm/asm.h>
+
+#define INSN_R_FUNC7_SHIFT 25
+#define INSN_R_RS2_SHIFT 20
+#define INSN_R_RS1_SHIFT 15
+#define INSN_R_FUNC3_SHIFT 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
+
+ .macro insn_r, opcode, func3, func7, rd, rs1, rs2
+ .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>
+
+ .macro insn_r, opcode, func3, func7, rd, rs1, rs2
+ .4byte ((\opcode << INSN_R_OPCODE_SHIFT) | \
+ (\func3 << INSN_R_FUNC3_SHIFT) | \
+ (\func7 << INSN_R_FUNC7_SHIFT) | \
+ (.L__gpr_num_\rd << INSN_R_RD_SHIFT) | \
+ (.L__gpr_num_\rs1 << INSN_R_RS1_SHIFT) | \
+ (.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__ */
+
+#ifdef CONFIG_AS_HAS_INSN
+
+#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>
+#include <asm/gpr-num.h>
+
+#define DEFINE_INSN_R \
+ __DEFINE_ASM_GPR_NUMS \
+" .macro insn_r, opcode, func3, func7, rd, rs1, rs2\n" \
+" .4byte ((\\opcode << " __stringify(INSN_R_OPCODE_SHIFT) ") |" \
+" (\\func3 << " __stringify(INSN_R_FUNC3_SHIFT) ") |" \
+" (\\func7 << " __stringify(INSN_R_FUNC7_SHIFT) ") |" \
+" (.L__gpr_num_\\rd << " __stringify(INSN_R_RD_SHIFT) ") |" \
+" (.L__gpr_num_\\rs1 << " __stringify(INSN_R_RS1_SHIFT) ") |" \
+" (.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__ */
+
+#define INSN_R(opcode, func3, func7, rd, rs1, rs2) \
+ __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)
+#define __RV_REG(v) __ASM_STR(x ## v)
+#define RV___RD(v) __RV_REG(v)
+#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) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(17), \
+ __RD(0), RS1(vaddr), RS2(asid))
+
+#define HFENCE_GVMA(gaddr, vmid) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(49), \
+ __RD(0), RS1(gaddr), RS2(vmid))
+
+#define HLVX_HU(dest, addr) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(50), \
+ RD(dest), RS1(addr), __RS2(3))
+
+#define HLV_W(dest, addr) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(52), \
+ RD(dest), RS1(addr), __RS2(0))
+
+#ifdef CONFIG_64BIT
+#define HLV_D(dest, addr) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(54), \
+ RD(dest), RS1(addr), __RS2(0))
+#else
+#define HLV_D(dest, addr) \
+ __ASM_STR(.error "hlv.d requires 64-bit support")
+#endif
+
+#define SINVAL_VMA(vaddr, asid) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(11), \
+ __RD(0), RS1(vaddr), RS2(asid))
+
+#define SFENCE_W_INVAL() \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(12), \
+ __RD(0), __RS1(0), __RS2(0))
+
+#define SFENCE_INVAL_IR() \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(12), \
+ __RD(0), __RS1(0), __RS2(1))
+
+#define HINVAL_VVMA(vaddr, asid) \
+ INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(19), \
+ __RD(0), RS1(vaddr), RS2(asid))
+
+#define HINVAL_GVMA(gaddr, vmid) \
+ 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))
+
+#define CBO_zero(base) \
+ INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0), \
+ RS1(base), SIMM12(4))
+
+#endif /* __ASM_INSN_DEF_H */