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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>
This commit is contained in:
Alistair Francis 2018-12-19 19:19:49 +00:00 committed by Richard Henderson
parent 92c041c59b
commit 7a5549f2ae
1 changed files with 31 additions and 0 deletions
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31
tcg/riscv/tcg-target.inc.c
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@ -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];