diff mbox series

[for-7.0,v8,26/31] tcg/loongarch64: Implement tcg_target_init

Message ID 20211124183231.1503090-27-git@xen0n.name
State New
Headers show
Series LoongArch64 port of QEMU TCG | expand

Commit Message

WANG Xuerui Nov. 24, 2021, 6:32 p.m. UTC 
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/loongarch64/tcg-target.c.inc | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
diff mbox series

Patch

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 2d066a035d..ff167d686b 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -1604,3 +1604,30 @@  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] = ALL_GENERAL_REGS;
+    tcg_target_available_regs[TCG_TYPE_I64] = ALL_GENERAL_REGS;
+
+    tcg_target_call_clobber_regs = ALL_GENERAL_REGS;
+    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);
+}