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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "qemu/osdep.h"
#include "qemu.h"
#include "loader.h"
#include "elf.h"
#include "target_elf.h"
const char *get_elf_cpu_model(uint32_t eflags)
{
return "qemu";
}
#define GET_FEATURE(_feat, _hwcap) \
do { if (s390_has_feat(_feat)) { hwcap |= _hwcap; } } while (0)
abi_ulong get_elf_hwcap(CPUState *cs)
{
/*
* Let's assume we always have esan3 and zarch.
* 31-bit processes can use 64-bit registers (high gprs).
*/
uint32_t hwcap = HWCAP_S390_ESAN3 | HWCAP_S390_ZARCH | HWCAP_S390_HIGH_GPRS;
GET_FEATURE(S390_FEAT_STFLE, HWCAP_S390_STFLE);
GET_FEATURE(S390_FEAT_MSA, HWCAP_S390_MSA);
GET_FEATURE(S390_FEAT_LONG_DISPLACEMENT, HWCAP_S390_LDISP);
GET_FEATURE(S390_FEAT_EXTENDED_IMMEDIATE, HWCAP_S390_EIMM);
if (s390_has_feat(S390_FEAT_EXTENDED_TRANSLATION_3) &&
s390_has_feat(S390_FEAT_ETF3_ENH)) {
hwcap |= HWCAP_S390_ETF3EH;
}
GET_FEATURE(S390_FEAT_VECTOR, HWCAP_S390_VXRS);
GET_FEATURE(S390_FEAT_VECTOR_ENH, HWCAP_S390_VXRS_EXT);
GET_FEATURE(S390_FEAT_VECTOR_ENH2, HWCAP_S390_VXRS_EXT2);
return hwcap;
}
const char *elf_hwcap_str(uint32_t bit)
{
static const char *hwcap_str[] = {
[HWCAP_S390_NR_ESAN3] = "esan3",
[HWCAP_S390_NR_ZARCH] = "zarch",
[HWCAP_S390_NR_STFLE] = "stfle",
[HWCAP_S390_NR_MSA] = "msa",
[HWCAP_S390_NR_LDISP] = "ldisp",
[HWCAP_S390_NR_EIMM] = "eimm",
[HWCAP_S390_NR_DFP] = "dfp",
[HWCAP_S390_NR_HPAGE] = "edat",
[HWCAP_S390_NR_ETF3EH] = "etf3eh",
[HWCAP_S390_NR_HIGH_GPRS] = "highgprs",
[HWCAP_S390_NR_TE] = "te",
[HWCAP_S390_NR_VXRS] = "vx",
[HWCAP_S390_NR_VXRS_BCD] = "vxd",
[HWCAP_S390_NR_VXRS_EXT] = "vxe",
[HWCAP_S390_NR_GS] = "gs",
[HWCAP_S390_NR_VXRS_EXT2] = "vxe2",
[HWCAP_S390_NR_VXRS_PDE] = "vxp",
[HWCAP_S390_NR_SORT] = "sort",
[HWCAP_S390_NR_DFLT] = "dflt",
[HWCAP_S390_NR_NNPA] = "nnpa",
[HWCAP_S390_NR_PCI_MIO] = "pcimio",
[HWCAP_S390_NR_SIE] = "sie",
};
return bit < ARRAY_SIZE(hwcap_str) ? hwcap_str[bit] : NULL;
}
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUS390XState *env)
{
r->pt.psw.mask = tswapal(env->psw.mask);
r->pt.psw.addr = tswapal(env->psw.addr);
for (int i = 0; i < 16; i++) {
r->pt.gprs[i] = tswapal(env->regs[i]);
}
for (int i = 0; i < 16; i++) {
r->pt.acrs[i] = tswap32(env->aregs[i]);
}
r->pt.orig_gpr2 = 0;
}
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