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rawpatchinlineside by side (parent: 6da4594)
rawpatchinlineside by side (parent: 6da4594)
| author | Aleksi Hannula <ahannula4+nixgit@gmail.com> | |
| Sat, 29 Nov 2025 19:06:21 +0000 (29 21:06 +0200) | ||
| committer | Aleksi Hannula <ahannula4+nixgit@gmail.com> | |
| Sat, 29 Nov 2025 19:11:46 +0000 (29 21:11 +0200) |
| riscv64-asm.c | patchblobblamehistory |
diff --git a/riscv64-asm.c b/riscv64-asm.c
--- a/riscv64-asm.c
+++ b/riscv64-asm.c
case TOK_ASM_rdinstreth:
asm_emit_opcode(opcode | (0xC82 << 20) | ENCODE_RD(op.reg));
return;
+ case TOK_ASM_frflags:
+ asm_emit_opcode(opcode | (0x001 << 20) | ENCODE_RD(op.reg));
+ return;
+ case TOK_ASM_frrm:
+ asm_emit_opcode(opcode | (0x002 << 20) | ENCODE_RD(op.reg));
+ return;
+ case TOK_ASM_frcsr:
+ asm_emit_opcode(opcode | (0x003 << 20) | ENCODE_RD(op.reg));
+ return;
case TOK_ASM_jr:
/* jalr zero, 0(rs)*/
case TOK_ASM_c_jr:
asm_emit_cr(token, 2 | (8 << 12), &op, &zero);
return;
+
default:
expect("unary instruction");
}
asm_emit_f(token, 0x53 | (4 << 27) | (0 << 25) | (2 << 12), &ops[0], &ops[1], &ops[1]);
return;
+ case TOK_ASM_csrs:
+ /* csrrs x0, csr, rs */
+ asm_emit_opcode(0x73 | (2 << 12) | (ops[0].e.v << 20) | ENCODE_RS1(ops[1].reg));
+ return;
+ case TOK_ASM_csrc:
+ /* csrrc x0, csr, rs */
+ asm_emit_opcode(0x73 | (3 << 12) | (ops[0].e.v << 20) | ENCODE_RS1(ops[1].reg));
+ return;
+ case TOK_ASM_fsrm:
+ /* csrrw rd, frm, rs */
+ asm_emit_opcode(0x73 | (1 << 12) | (2 << 20) | ENCODE_RD(ops[0].reg) | ENCODE_RS1(ops[1].reg));
+ return;
+ case TOK_ASM_fscsr:
+ /* csrrw rd, fcsr, rs */
+ asm_emit_opcode(0x73 | (1 << 12) | (3 << 20) | ENCODE_RD(ops[0].reg) | ENCODE_RS1(ops[1].reg));
+ return;
default:
expect("binary instruction");
}
case TOK_ASM_jr:
case TOK_ASM_call:
case TOK_ASM_tail:
+ case TOK_ASM_frflags:
+ case TOK_ASM_frrm:
+ case TOK_ASM_frcsr:
asm_unary_opcode(s1, token);
return;
case TOK_ASM_negw:
case TOK_ASM_fabs_s:
case TOK_ASM_fabs_d:
+ case TOK_ASM_csrc:
+ case TOK_ASM_csrs:
+ case TOK_ASM_fsrm:
+ case TOK_ASM_fscsr:
asm_binary_opcode(s1, token);
return;