mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-23 19:49:43 +00:00
a8d2532645
No header includes qemu-common.h after this commit, as prescribed by qemu-common.h's file comment. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-5-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and net/tap-bsd.c fixed up]
193 lines
9.3 KiB
C
193 lines
9.3 KiB
C
/*
|
|
* QEMU TCG support -- s390x vector support instructions
|
|
*
|
|
* Copyright (C) 2019 Red Hat Inc
|
|
*
|
|
* Authors:
|
|
* David Hildenbrand <david@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "internal.h"
|
|
#include "vec.h"
|
|
#include "tcg/tcg.h"
|
|
#include "tcg/tcg-gvec-desc.h"
|
|
#include "exec/helper-proto.h"
|
|
#include "exec/cpu_ldst.h"
|
|
#include "exec/exec-all.h"
|
|
|
|
void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t bytes)
|
|
{
|
|
if (likely(bytes >= 16)) {
|
|
uint64_t t0, t1;
|
|
|
|
t0 = cpu_ldq_data_ra(env, addr, GETPC());
|
|
addr = wrap_address(env, addr + 8);
|
|
t1 = cpu_ldq_data_ra(env, addr, GETPC());
|
|
s390_vec_write_element64(v1, 0, t0);
|
|
s390_vec_write_element64(v1, 1, t1);
|
|
} else {
|
|
S390Vector tmp = {};
|
|
int i;
|
|
|
|
for (i = 0; i < bytes; i++) {
|
|
uint8_t byte = cpu_ldub_data_ra(env, addr, GETPC());
|
|
|
|
s390_vec_write_element8(&tmp, i, byte);
|
|
addr = wrap_address(env, addr + 1);
|
|
}
|
|
*(S390Vector *)v1 = tmp;
|
|
}
|
|
}
|
|
|
|
#define DEF_VPK_HFN(BITS, TBITS) \
|
|
typedef uint##TBITS##_t (*vpk##BITS##_fn)(uint##BITS##_t, int *); \
|
|
static int vpk##BITS##_hfn(S390Vector *v1, const S390Vector *v2, \
|
|
const S390Vector *v3, vpk##BITS##_fn fn) \
|
|
{ \
|
|
int i, saturated = 0; \
|
|
S390Vector tmp; \
|
|
\
|
|
for (i = 0; i < (128 / TBITS); i++) { \
|
|
uint##BITS##_t src; \
|
|
\
|
|
if (i < (128 / BITS)) { \
|
|
src = s390_vec_read_element##BITS(v2, i); \
|
|
} else { \
|
|
src = s390_vec_read_element##BITS(v3, i - (128 / BITS)); \
|
|
} \
|
|
s390_vec_write_element##TBITS(&tmp, i, fn(src, &saturated)); \
|
|
} \
|
|
*v1 = tmp; \
|
|
return saturated; \
|
|
}
|
|
DEF_VPK_HFN(64, 32)
|
|
DEF_VPK_HFN(32, 16)
|
|
DEF_VPK_HFN(16, 8)
|
|
|
|
#define DEF_VPK(BITS, TBITS) \
|
|
static uint##TBITS##_t vpk##BITS##e(uint##BITS##_t src, int *saturated) \
|
|
{ \
|
|
return src; \
|
|
} \
|
|
void HELPER(gvec_vpk##BITS)(void *v1, const void *v2, const void *v3, \
|
|
uint32_t desc) \
|
|
{ \
|
|
vpk##BITS##_hfn(v1, v2, v3, vpk##BITS##e); \
|
|
}
|
|
DEF_VPK(64, 32)
|
|
DEF_VPK(32, 16)
|
|
DEF_VPK(16, 8)
|
|
|
|
#define DEF_VPKS(BITS, TBITS) \
|
|
static uint##TBITS##_t vpks##BITS##e(uint##BITS##_t src, int *saturated) \
|
|
{ \
|
|
if ((int##BITS##_t)src > INT##TBITS##_MAX) { \
|
|
(*saturated)++; \
|
|
return INT##TBITS##_MAX; \
|
|
} else if ((int##BITS##_t)src < INT##TBITS##_MIN) { \
|
|
(*saturated)++; \
|
|
return INT##TBITS##_MIN; \
|
|
} \
|
|
return src; \
|
|
} \
|
|
void HELPER(gvec_vpks##BITS)(void *v1, const void *v2, const void *v3, \
|
|
uint32_t desc) \
|
|
{ \
|
|
vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \
|
|
} \
|
|
void HELPER(gvec_vpks_cc##BITS)(void *v1, const void *v2, const void *v3, \
|
|
CPUS390XState *env, uint32_t desc) \
|
|
{ \
|
|
int saturated = vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \
|
|
\
|
|
if (saturated == (128 / TBITS)) { \
|
|
env->cc_op = 3; \
|
|
} else if (saturated) { \
|
|
env->cc_op = 1; \
|
|
} else { \
|
|
env->cc_op = 0; \
|
|
} \
|
|
}
|
|
DEF_VPKS(64, 32)
|
|
DEF_VPKS(32, 16)
|
|
DEF_VPKS(16, 8)
|
|
|
|
#define DEF_VPKLS(BITS, TBITS) \
|
|
static uint##TBITS##_t vpkls##BITS##e(uint##BITS##_t src, int *saturated) \
|
|
{ \
|
|
if (src > UINT##TBITS##_MAX) { \
|
|
(*saturated)++; \
|
|
return UINT##TBITS##_MAX; \
|
|
} \
|
|
return src; \
|
|
} \
|
|
void HELPER(gvec_vpkls##BITS)(void *v1, const void *v2, const void *v3, \
|
|
uint32_t desc) \
|
|
{ \
|
|
vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \
|
|
} \
|
|
void HELPER(gvec_vpkls_cc##BITS)(void *v1, const void *v2, const void *v3, \
|
|
CPUS390XState *env, uint32_t desc) \
|
|
{ \
|
|
int saturated = vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \
|
|
\
|
|
if (saturated == (128 / TBITS)) { \
|
|
env->cc_op = 3; \
|
|
} else if (saturated) { \
|
|
env->cc_op = 1; \
|
|
} else { \
|
|
env->cc_op = 0; \
|
|
} \
|
|
}
|
|
DEF_VPKLS(64, 32)
|
|
DEF_VPKLS(32, 16)
|
|
DEF_VPKLS(16, 8)
|
|
|
|
void HELPER(gvec_vperm)(void *v1, const void *v2, const void *v3,
|
|
const void *v4, uint32_t desc)
|
|
{
|
|
S390Vector tmp;
|
|
int i;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
const uint8_t selector = s390_vec_read_element8(v4, i) & 0x1f;
|
|
uint8_t byte;
|
|
|
|
if (selector < 16) {
|
|
byte = s390_vec_read_element8(v2, selector);
|
|
} else {
|
|
byte = s390_vec_read_element8(v3, selector - 16);
|
|
}
|
|
s390_vec_write_element8(&tmp, i, byte);
|
|
}
|
|
*(S390Vector *)v1 = tmp;
|
|
}
|
|
|
|
void HELPER(vstl)(CPUS390XState *env, const void *v1, uint64_t addr,
|
|
uint64_t bytes)
|
|
{
|
|
/* Probe write access before actually modifying memory */
|
|
probe_write_access(env, addr, bytes, GETPC());
|
|
|
|
if (likely(bytes >= 16)) {
|
|
cpu_stq_data_ra(env, addr, s390_vec_read_element64(v1, 0), GETPC());
|
|
addr = wrap_address(env, addr + 8);
|
|
cpu_stq_data_ra(env, addr, s390_vec_read_element64(v1, 1), GETPC());
|
|
} else {
|
|
S390Vector tmp = {};
|
|
int i;
|
|
|
|
for (i = 0; i < bytes; i++) {
|
|
uint8_t byte = s390_vec_read_element8(v1, i);
|
|
|
|
cpu_stb_data_ra(env, addr, byte, GETPC());
|
|
addr = wrap_address(env, addr + 1);
|
|
}
|
|
*(S390Vector *)v1 = tmp;
|
|
}
|
|
}
|