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[PATCH v2 1/2] Hexagon (target/hexagon) remove put_user_*/get_user_*
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From: |
Taylor Simpson |
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Subject: |
[PATCH v2 1/2] Hexagon (target/hexagon) remove put_user_*/get_user_* |
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Date: |
Wed, 14 Jul 2021 17:55:08 -0500 |
Replace put_user_* with cpu_st*_data_ra
Replace get_user_* with cpu_ld*_data_ra
Since these functions need the PC, we mark load/store instructions
with the A_IMPLICIT_READS_PC attribute in hex_common.py
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
target/hexagon/op_helper.c | 39 ++++++++++++++++++---------------------
target/hexagon/hex_common.py | 2 ++
2 files changed, 20 insertions(+), 21 deletions(-)
diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index 4595559..c5b708d 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -17,6 +17,7 @@
#include "qemu/osdep.h"
#include "qemu.h"
+#include "exec/cpu_ldst.h"
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
#include "cpu.h"
@@ -140,22 +141,22 @@ void HELPER(debug_check_store_width)(CPUHexagonState
*env, int slot, int check)
void HELPER(commit_store)(CPUHexagonState *env, int slot_num)
{
- switch (env->mem_log_stores[slot_num].width) {
+ target_ulong pc = env->gpr[HEX_REG_PC];
+ uint8_t width = env->mem_log_stores[slot_num].width;
+ target_ulong va = env->mem_log_stores[slot_num].va;
+
+ switch (width) {
case 1:
- put_user_u8(env->mem_log_stores[slot_num].data32,
- env->mem_log_stores[slot_num].va);
+ cpu_stb_data_ra(env, va, env->mem_log_stores[slot_num].data32, pc);
break;
case 2:
- put_user_u16(env->mem_log_stores[slot_num].data32,
- env->mem_log_stores[slot_num].va);
+ cpu_stw_data_ra(env, va, env->mem_log_stores[slot_num].data32, pc);
break;
case 4:
- put_user_u32(env->mem_log_stores[slot_num].data32,
- env->mem_log_stores[slot_num].va);
+ cpu_stl_data_ra(env, va, env->mem_log_stores[slot_num].data32, pc);
break;
case 8:
- put_user_u64(env->mem_log_stores[slot_num].data64,
- env->mem_log_stores[slot_num].va);
+ cpu_stq_data_ra(env, va, env->mem_log_stores[slot_num].data64, pc);
break;
default:
g_assert_not_reached();
@@ -393,37 +394,33 @@ static void check_noshuf(CPUHexagonState *env, uint32_t
slot)
static uint8_t mem_load1(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
- uint8_t retval;
+ target_ulong pc = env->gpr[HEX_REG_PC];
check_noshuf(env, slot);
- get_user_u8(retval, vaddr);
- return retval;
+ return cpu_ldub_data_ra(env, vaddr, pc);
}
static uint16_t mem_load2(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
- uint16_t retval;
+ target_ulong pc = env->gpr[HEX_REG_PC];
check_noshuf(env, slot);
- get_user_u16(retval, vaddr);
- return retval;
+ return cpu_lduw_data_ra(env, vaddr, pc);
}
static uint32_t mem_load4(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
- uint32_t retval;
+ target_ulong pc = env->gpr[HEX_REG_PC];
check_noshuf(env, slot);
- get_user_u32(retval, vaddr);
- return retval;
+ return cpu_ldl_data_ra(env, vaddr, pc);
}
static uint64_t mem_load8(CPUHexagonState *env, uint32_t slot,
target_ulong vaddr)
{
- uint64_t retval;
+ target_ulong pc = env->gpr[HEX_REG_PC];
check_noshuf(env, slot);
- get_user_u64(retval, vaddr);
- return retval;
+ return cpu_ldq_data_ra(env, vaddr, pc);
}
/* Floating point */
diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py
index b3b5340..16872a2 100755
--- a/target/hexagon/hex_common.py
+++ b/target/hexagon/hex_common.py
@@ -69,6 +69,8 @@ def add_qemu_macro_attrib(name, attrib):
def calculate_attribs():
add_qemu_macro_attrib('fREAD_PC', 'A_IMPLICIT_READS_PC')
add_qemu_macro_attrib('fTRAP', 'A_IMPLICIT_READS_PC')
+ add_qemu_macro_attrib('fLOAD', 'A_IMPLICIT_READS_PC')
+ add_qemu_macro_attrib('fSTORE', 'A_IMPLICIT_READS_PC')
add_qemu_macro_attrib('fWRITE_P0', 'A_WRITES_PRED_REG')
add_qemu_macro_attrib('fWRITE_P1', 'A_WRITES_PRED_REG')
add_qemu_macro_attrib('fWRITE_P2', 'A_WRITES_PRED_REG')
--
2.7.4