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authorAlistair Francis <Alistair.Francis@wdc.com>2018-12-19 19:19:49 +0000
committerRichard Henderson <richard.henderson@linaro.org>2018-12-26 06:40:02 +1100
commit7a5549f2aea84bf8c71c6eaa438b4bb84e9ad967 (patch)
treee58f62563c1377f00c303f38ef49b0da63df36cd /tcg
parent92c041c59b99fbc35bdf4d5520fcaff80dc69ee0 (diff)
tcg/riscv: Add the target init code
Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Michael Clark <mjc@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <dd6e439ab81883974b8fd91f904f6de26ab5d697.1545246859.git.alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/riscv/tcg-target.inc.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c
index 8a5f1deefc..6cf8de32b5 100644
--- a/tcg/riscv/tcg-target.inc.c
+++ b/tcg/riscv/tcg-target.inc.c
@@ -1872,6 +1872,37 @@ 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];