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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "qemu/osdep.h"
#include "qemu.h"
#include "loader.h"
#include "target_elf.h"
const char *get_elf_cpu_model(uint32_t eflags)
{
return "la464";
}
/* See arch/loongarch/include/uapi/asm/hwcap.h */
enum {
HWCAP_LOONGARCH_CPUCFG = (1 << 0),
HWCAP_LOONGARCH_LAM = (1 << 1),
HWCAP_LOONGARCH_UAL = (1 << 2),
HWCAP_LOONGARCH_FPU = (1 << 3),
HWCAP_LOONGARCH_LSX = (1 << 4),
HWCAP_LOONGARCH_LASX = (1 << 5),
HWCAP_LOONGARCH_CRC32 = (1 << 6),
HWCAP_LOONGARCH_COMPLEX = (1 << 7),
HWCAP_LOONGARCH_CRYPTO = (1 << 8),
HWCAP_LOONGARCH_LVZ = (1 << 9),
HWCAP_LOONGARCH_LBT_X86 = (1 << 10),
HWCAP_LOONGARCH_LBT_ARM = (1 << 11),
HWCAP_LOONGARCH_LBT_MIPS = (1 << 12),
};
abi_ulong get_elf_hwcap(CPUState *cs)
{
LoongArchCPU *cpu = LOONGARCH_CPU(cs);
abi_ulong hwcaps = 0;
hwcaps |= HWCAP_LOONGARCH_CRC32;
if (FIELD_EX32(cpu->env.cpucfg[1], CPUCFG1, UAL)) {
hwcaps |= HWCAP_LOONGARCH_UAL;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, FP)) {
hwcaps |= HWCAP_LOONGARCH_FPU;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LAM)) {
hwcaps |= HWCAP_LOONGARCH_LAM;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) {
hwcaps |= HWCAP_LOONGARCH_LSX;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) {
hwcaps |= HWCAP_LOONGARCH_LASX;
}
return hwcaps;
}
const char *get_elf_platform(CPUState *cs)
{
return "loongarch";
}
#define tswapreg(ptr) tswapal(ptr)
void elf_core_copy_regs(target_elf_gregset_t *r, const CPULoongArchState *env)
{
r->pt.regs[0] = 0;
for (int i = 1; i < ARRAY_SIZE(env->gpr); i++) {
r->pt.regs[i] = tswapreg(env->gpr[i]);
}
r->pt.csr_era = tswapreg(env->pc);
r->pt.csr_badv = tswapreg(env->CSR_BADV);
}
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