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ppc: Split off misc helpers 

Move misc helpers from op_helper.c to misc_helpers.c.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Blue Swirl 2012-05-30 04:23:37 +00:00 committed by Alexander Graf
parent d0f1562d6a
commit 901c4eaf96
3 changed files with 118 additions and 94 deletions
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2
target-ppc/Makefile.objs
View File

@ -7,5 +7,7 @@ obj-y += fpu_helper.o
obj-y += int_helper.o
obj-y += mmu_helper.o
obj-y += timebase_helper.o
obj-y += misc_helper.o
$(obj)/misc_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
$(obj)/op_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)

116
target-ppc/misc_helper.c Normal file
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@ -0,0 +1,116 @@
/*
* Miscellaneous PowerPC emulation helpers for QEMU.
*
* Copyright (c) 2003-2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "cpu.h"
#include "dyngen-exec.h"
#include "helper.h"
#include "helper_regs.h"
/*****************************************************************************/
/* SPR accesses */
void helper_load_dump_spr(uint32_t sprn)
{
qemu_log("Read SPR %d %03x => " TARGET_FMT_lx "\n", sprn, sprn,
env->spr[sprn]);
}
void helper_store_dump_spr(uint32_t sprn)
{
qemu_log("Write SPR %d %03x <= " TARGET_FMT_lx "\n", sprn, sprn,
env->spr[sprn]);
}
#if !defined(CONFIG_USER_ONLY)
#if defined(TARGET_PPC64)
void helper_store_asr(target_ulong val)
{
ppc_store_asr(env, val);
}
#endif
void helper_store_sdr1(target_ulong val)
{
ppc_store_sdr1(env, val);
}
void helper_store_hid0_601(target_ulong val)
{
target_ulong hid0;
hid0 = env->spr[SPR_HID0];
if ((val ^ hid0) & 0x00000008) {
/* Change current endianness */
env->hflags &= ~(1 << MSR_LE);
env->hflags_nmsr &= ~(1 << MSR_LE);
env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
env->hflags |= env->hflags_nmsr;
qemu_log("%s: set endianness to %c => " TARGET_FMT_lx "\n", __func__,
val & 0x8 ? 'l' : 'b', env->hflags);
}
env->spr[SPR_HID0] = (uint32_t)val;
}
void helper_store_403_pbr(uint32_t num, target_ulong value)
{
if (likely(env->pb[num] != value)) {
env->pb[num] = value;
/* Should be optimized */
tlb_flush(env, 1);
}
}
void helper_store_40x_dbcr0(target_ulong val)
{
store_40x_dbcr0(env, val);
}
void helper_store_40x_sler(target_ulong val)
{
store_40x_sler(env, val);
}
#endif
/*****************************************************************************/
/* PowerPC 601 specific instructions (POWER bridge) */
target_ulong helper_clcs(uint32_t arg)
{
switch (arg) {
case 0x0CUL:
/* Instruction cache line size */
return env->icache_line_size;
break;
case 0x0DUL:
/* Data cache line size */
return env->dcache_line_size;
break;
case 0x0EUL:
/* Minimum cache line size */
return (env->icache_line_size < env->dcache_line_size) ?
env->icache_line_size : env->dcache_line_size;
break;
case 0x0FUL:
/* Maximum cache line size */
return (env->icache_line_size > env->dcache_line_size) ?
env->icache_line_size : env->dcache_line_size;
break;
default:
/* Undefined */
return 0;
break;
}
}

94
target-ppc/op_helper.c
View File

@ -30,69 +30,6 @@
//#define DEBUG_OP
/*****************************************************************************/
/* SPR accesses */
void helper_load_dump_spr(uint32_t sprn)
{
qemu_log("Read SPR %d %03x => " TARGET_FMT_lx "\n", sprn, sprn,
env->spr[sprn]);
}
void helper_store_dump_spr(uint32_t sprn)
{
qemu_log("Write SPR %d %03x <= " TARGET_FMT_lx "\n", sprn, sprn,
env->spr[sprn]);
}
#if !defined(CONFIG_USER_ONLY)
#if defined(TARGET_PPC64)
void helper_store_asr(target_ulong val)
{
ppc_store_asr(env, val);
}
#endif
void helper_store_sdr1(target_ulong val)
{
ppc_store_sdr1(env, val);
}
void helper_store_hid0_601(target_ulong val)
{
target_ulong hid0;
hid0 = env->spr[SPR_HID0];
if ((val ^ hid0) & 0x00000008) {
/* Change current endianness */
env->hflags &= ~(1 << MSR_LE);
env->hflags_nmsr &= ~(1 << MSR_LE);
env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
env->hflags |= env->hflags_nmsr;
qemu_log("%s: set endianness to %c => " TARGET_FMT_lx "\n", __func__,
val & 0x8 ? 'l' : 'b', env->hflags);
}
env->spr[SPR_HID0] = (uint32_t)val;
}
void helper_store_403_pbr(uint32_t num, target_ulong value)
{
if (likely(env->pb[num] != value)) {
env->pb[num] = value;
/* Should be optimized */
tlb_flush(env, 1);
}
}
void helper_store_40x_dbcr0(target_ulong val)
{
store_40x_dbcr0(env, val);
}
void helper_store_40x_sler(target_ulong val)
{
store_40x_sler(env, val);
}
#endif
/*****************************************************************************/
/* Memory load and stores */
@ -251,37 +188,6 @@ target_ulong helper_lscbx(target_ulong addr, uint32_t reg, uint32_t ra,
return i;
}
/*****************************************************************************/
/* PowerPC 601 specific instructions (POWER bridge) */
target_ulong helper_clcs(uint32_t arg)
{
switch (arg) {
case 0x0CUL:
/* Instruction cache line size */
return env->icache_line_size;
break;
case 0x0DUL:
/* Data cache line size */
return env->dcache_line_size;
break;
case 0x0EUL:
/* Minimum cache line size */
return (env->icache_line_size < env->dcache_line_size) ?
env->icache_line_size : env->dcache_line_size;
break;
case 0x0FUL:
/* Maximum cache line size */
return (env->icache_line_size > env->dcache_line_size) ?
env->icache_line_size : env->dcache_line_size;
break;
default:
/* Undefined */
return 0;
break;
}
}
/*****************************************************************************/
/* Altivec extension helpers */
#if defined(HOST_WORDS_BIGENDIAN)