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[Qemu-riscv] [PATCH v1 20/23] riscv: tcg-target: Add the target init cod
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From: |
Alistair Francis |
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Subject: |
[Qemu-riscv] [PATCH v1 20/23] riscv: tcg-target: Add the target init code |
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Date: |
Wed, 12 Dec 2018 19:45:57 +0000 |
Signed-off-by: Alistair Francis <address@hidden>
Signed-off-by: Michael Clark <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
---
tcg/riscv/tcg-target.inc.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c
index 5483d1d350..b6aafd121a 100644
--- a/tcg/riscv/tcg-target.inc.c
+++ b/tcg/riscv/tcg-target.inc.c
@@ -1852,6 +1852,37 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out_opc_imm(s, OPC_JALR, 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);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S10);
+ tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S11);
+
+ 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_GP);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TP);
+}
+
typedef struct {
DebugFrameHeader h;
uint8_t fde_def_cfa[4];
--
2.19.1
- [Qemu-riscv] [PATCH v1 10/23] riscv: tcg-target: Add the relocation functions, (continued)
- [Qemu-riscv] [PATCH v1 10/23] riscv: tcg-target: Add the relocation functions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 11/23] riscv: tcg-target: Add the mov and movi instruction, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 12/23] riscv: tcg-target: Add the extract instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 13/23] riscv: tcg-target: Add the out load and store instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 14/23] riscv: tcg-target: Add the add2 and sub2 instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 15/23] riscv: tcg-target: Add branch and jump instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 16/23] riscv: tcg-target: Add slowpath load and store instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 17/23] riscv: tcg-target: Add direct load and store instructions, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 18/23] riscv: tcg-target: Add the out op decoder, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 19/23] riscv: tcg-target: Add the prologue generation and register the JIT, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 20/23] riscv: tcg-target: Add the target init code,
Alistair Francis <=
- [Qemu-riscv] [PATCH v1 21/23] tcg: Add RISC-V cpu signal handler, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 22/23] dias: Add RISC-V support, Alistair Francis, 2018/12/12
- [Qemu-riscv] [PATCH v1 23/23] configure: Add support for building RISC-V host, Alistair Francis, 2018/12/12
- Re: [Qemu-riscv] [PATCH v1 00/23] Add RISC-V TCG backend support, Richard Henderson, 2018/12/12
- Re: [Qemu-riscv] [Qemu-devel] [PATCH v1 00/23] Add RISC-V TCG backend support, no-reply, 2018/12/12