diff options
| author | Alistair Francis <Alistair.Francis@wdc.com> | 2018-12-19 19:19:49 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-12-26 06:40:02 +1100 |
| commit | 7a5549f2aea84bf8c71c6eaa438b4bb84e9ad967 (patch) | |
| tree | e58f62563c1377f00c303f38ef49b0da63df36cd /tcg | |
| parent | 92c041c59b99fbc35bdf4d5520fcaff80dc69ee0 (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.c | 31 |
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]; |