motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 18:23:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

tcg: Unify helper_{be,le}_{ld,st}*

Browse source 
With the current structure of cputlb.c, there is no difference
between the little-endian and big-endian entry points, aside
from the assert.  Unify the pairs of functions.

Hoist the qemu_{ld,st}_helpers arrays to tcg.c.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-11-01 12:51:04 +11:00
parent 5b36f2684c
commit 0cadc1eda1
14 changed files with 146 additions and 511 deletions
Download patch file Download diff file Expand all files Collapse all files

30
tcg/i386/tcg-target.c.inc
View file

@ -1776,32 +1776,6 @@ typedef struct {
} HostAddress;
#if defined(CONFIG_SOFTMMU)
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
* int mmu_idx, uintptr_t ra)
*/
static void * const qemu_ld_helpers[(MO_SIZE | MO_BSWAP) + 1] = {
[MO_UB] = helper_ret_ldub_mmu,
[MO_LEUW] = helper_le_lduw_mmu,
[MO_LEUL] = helper_le_ldul_mmu,
[MO_LEUQ] = helper_le_ldq_mmu,
[MO_BEUW] = helper_be_lduw_mmu,
[MO_BEUL] = helper_be_ldul_mmu,
[MO_BEUQ] = helper_be_ldq_mmu,
};
/* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr,
* uintxx_t val, int mmu_idx, uintptr_t ra)
*/
static void * const qemu_st_helpers[(MO_SIZE | MO_BSWAP) + 1] = {
[MO_UB] = helper_ret_stb_mmu,
[MO_LEUW] = helper_le_stw_mmu,
[MO_LEUL] = helper_le_stl_mmu,
[MO_LEUQ] = helper_le_stq_mmu,
[MO_BEUW] = helper_be_stw_mmu,
[MO_BEUL] = helper_be_stl_mmu,
[MO_BEUQ] = helper_be_stq_mmu,
};
/*
* Because i686 has no register parameters and because x86_64 has xchg
* to handle addr/data register overlap, we have placed all input arguments
@ -1842,7 +1816,7 @@ static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
}
tcg_out_ld_helper_args(s, l, &ldst_helper_param);
tcg_out_branch(s, 1, qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)]);
tcg_out_branch(s, 1, qemu_ld_helpers[opc & MO_SIZE]);
tcg_out_ld_helper_ret(s, l, false, &ldst_helper_param);
tcg_out_jmp(s, l->raddr);
@ -1864,7 +1838,7 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
}
tcg_out_st_helper_args(s, l, &ldst_helper_param);
tcg_out_branch(s, 1, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
tcg_out_branch(s, 1, qemu_st_helpers[opc & MO_SIZE]);
tcg_out_jmp(s, l->raddr);
return true;