diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
commit | 33436335e93a1788a58443fc99c5ab320ce4b9d9 (patch) | |
tree | d92f88768c8dbd00f8b65164f47a8a091768b95a /arch/loongarch/kernel/inst.c | |
parent | 27b025ebb0f6092d5c0a88de2ab73545bc1c496e (diff) | |
parent | c39cea6f38eefe356d64d0bc1e1f2267e282cdd3 (diff) |
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.3
- Fix wrong usage of PGDIR_SIZE to check page sizes
- Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
Diffstat (limited to 'arch/loongarch/kernel/inst.c')
-rw-r--r-- | arch/loongarch/kernel/inst.c | 45 |
1 files changed, 7 insertions, 38 deletions
diff --git a/arch/loongarch/kernel/inst.c b/arch/loongarch/kernel/inst.c index 512579d79b22..badc59087042 100644 --- a/arch/loongarch/kernel/inst.c +++ b/arch/loongarch/kernel/inst.c @@ -58,7 +58,6 @@ u32 larch_insn_gen_nop(void) u32 larch_insn_gen_b(unsigned long pc, unsigned long dest) { long offset = dest - pc; - unsigned int immediate_l, immediate_h; union loongarch_instruction insn; if ((offset & 3) || offset < -SZ_128M || offset >= SZ_128M) { @@ -66,15 +65,7 @@ u32 larch_insn_gen_b(unsigned long pc, unsigned long dest) return INSN_BREAK; } - offset >>= 2; - - immediate_l = offset & 0xffff; - offset >>= 16; - immediate_h = offset & 0x3ff; - - insn.reg0i26_format.opcode = b_op; - insn.reg0i26_format.immediate_l = immediate_l; - insn.reg0i26_format.immediate_h = immediate_h; + emit_b(&insn, offset >> 2); return insn.word; } @@ -82,7 +73,6 @@ u32 larch_insn_gen_b(unsigned long pc, unsigned long dest) u32 larch_insn_gen_bl(unsigned long pc, unsigned long dest) { long offset = dest - pc; - unsigned int immediate_l, immediate_h; union loongarch_instruction insn; if ((offset & 3) || offset < -SZ_128M || offset >= SZ_128M) { @@ -90,15 +80,7 @@ u32 larch_insn_gen_bl(unsigned long pc, unsigned long dest) return INSN_BREAK; } - offset >>= 2; - - immediate_l = offset & 0xffff; - offset >>= 16; - immediate_h = offset & 0x3ff; - - insn.reg0i26_format.opcode = bl_op; - insn.reg0i26_format.immediate_l = immediate_l; - insn.reg0i26_format.immediate_h = immediate_h; + emit_bl(&insn, offset >> 2); return insn.word; } @@ -107,10 +89,7 @@ u32 larch_insn_gen_or(enum loongarch_gpr rd, enum loongarch_gpr rj, enum loongar { union loongarch_instruction insn; - insn.reg3_format.opcode = or_op; - insn.reg3_format.rd = rd; - insn.reg3_format.rj = rj; - insn.reg3_format.rk = rk; + emit_or(&insn, rd, rj, rk); return insn.word; } @@ -124,9 +103,7 @@ u32 larch_insn_gen_lu12iw(enum loongarch_gpr rd, int imm) { union loongarch_instruction insn; - insn.reg1i20_format.opcode = lu12iw_op; - insn.reg1i20_format.rd = rd; - insn.reg1i20_format.immediate = imm; + emit_lu12iw(&insn, rd, imm); return insn.word; } @@ -135,9 +112,7 @@ u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm) { union loongarch_instruction insn; - insn.reg1i20_format.opcode = lu32id_op; - insn.reg1i20_format.rd = rd; - insn.reg1i20_format.immediate = imm; + emit_lu32id(&insn, rd, imm); return insn.word; } @@ -146,10 +121,7 @@ u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm) { union loongarch_instruction insn; - insn.reg2i12_format.opcode = lu52id_op; - insn.reg2i12_format.rd = rd; - insn.reg2i12_format.rj = rj; - insn.reg2i12_format.immediate = imm; + emit_lu52id(&insn, rd, rj, imm); return insn.word; } @@ -158,10 +130,7 @@ u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, unsigned l { union loongarch_instruction insn; - insn.reg2i16_format.opcode = jirl_op; - insn.reg2i16_format.rd = rd; - insn.reg2i16_format.rj = rj; - insn.reg2i16_format.immediate = (dest - pc) >> 2; + emit_jirl(&insn, rj, rd, (dest - pc) >> 2); return insn.word; } |