[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 26/30] tcg/loongarch: Implement tcg_target_init
From: |
WANG Xuerui |
Subject: |
[PATCH 26/30] tcg/loongarch: Implement tcg_target_init |
Date: |
Mon, 20 Sep 2021 16:04:47 +0800 |
Signed-off-by: WANG Xuerui <git@xen0n.name>
---
tcg/loongarch/tcg-target.c.inc | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/tcg/loongarch/tcg-target.c.inc b/tcg/loongarch/tcg-target.c.inc
index 585bf8dba0..107682e1fa 100644
--- a/tcg/loongarch/tcg-target.c.inc
+++ b/tcg/loongarch/tcg-target.c.inc
@@ -1486,3 +1486,32 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out_opc_addi_d(s, TCG_REG_SP, TCG_REG_SP, FRAME_SIZE);
tcg_out_opc_jirl(s, TCG_REG_ZERO, TCG_REG_RA, 0);
}
+
+static void tcg_target_init(TCGContext *s)
+{
+ tcg_target_available_regs[TCG_TYPE_I32] = 0xffffffff;
+ if (TCG_TARGET_REG_BITS == 64) {
+ tcg_target_available_regs[TCG_TYPE_I64] = 0xffffffff;
+ }
+
+ tcg_target_call_clobber_regs = -1u;
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S0);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S1);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S2);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S3);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S4);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S5);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S6);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S7);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S8);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S9);
+
+ s->reserved_regs = 0;
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_ZERO);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP0);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP1);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP2);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TP);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_RESERVED);
+}
--
2.33.0
- [PATCH 10/30] tcg/loongarch: Implement goto_ptr, (continued)
- [PATCH 22/30] tcg/loongarch: Implement simple load/store ops, WANG Xuerui, 2021/09/20
- [PATCH 26/30] tcg/loongarch: Implement tcg_target_init,
WANG Xuerui <=
- [PATCH 29/30] linux-user: Add host dependency for 64-bit LoongArch, WANG Xuerui, 2021/09/20
- [PATCH 09/30] tcg/loongarch: Implement tcg_out_mov and tcg_out_movi, WANG Xuerui, 2021/09/20
- [PATCH 01/30] elf: Add machine type value for LoongArch, WANG Xuerui, 2021/09/20
- [PATCH 30/30] accel/tcg/user-exec: Implement CPU-specific signal handler for LoongArch hosts, WANG Xuerui, 2021/09/20
- [PATCH 25/30] tcg/loongarch: Implement exit_tb/goto_tb, WANG Xuerui, 2021/09/20