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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 "sh7785";
}
enum {
SH_CPU_HAS_FPU = 0x0001, /* Hardware FPU support */
SH_CPU_HAS_P2_FLUSH_BUG = 0x0002, /* Need to flush the cache in P2 area */
SH_CPU_HAS_MMU_PAGE_ASSOC = 0x0004, /* SH3: TLB way selection bit support */
SH_CPU_HAS_DSP = 0x0008, /* SH-DSP: DSP support */
SH_CPU_HAS_PERF_COUNTER = 0x0010, /* Hardware performance counters */
SH_CPU_HAS_PTEA = 0x0020, /* PTEA register */
SH_CPU_HAS_LLSC = 0x0040, /* movli.l/movco.l */
SH_CPU_HAS_L2_CACHE = 0x0080, /* Secondary cache / URAM */
SH_CPU_HAS_OP32 = 0x0100, /* 32-bit instruction support */
SH_CPU_HAS_PTEAEX = 0x0200, /* PTE ASID Extension support */
};
abi_ulong get_elf_hwcap(CPUState *cs)
{
SuperHCPU *cpu = SUPERH_CPU(cs);
abi_ulong hwcap = 0;
hwcap |= SH_CPU_HAS_FPU;
if (cpu->env.features & SH_FEATURE_SH4A) {
hwcap |= SH_CPU_HAS_LLSC;
}
return hwcap;
}
#define tswapreg(ptr) tswapal(ptr)
/* See linux kernel: arch/sh/include/asm/ptrace.h. */
enum {
TARGET_REG_PC = 16,
TARGET_REG_PR = 17,
TARGET_REG_SR = 18,
TARGET_REG_GBR = 19,
TARGET_REG_MACH = 20,
TARGET_REG_MACL = 21,
TARGET_REG_SYSCALL = 22
};
void elf_core_copy_regs(target_elf_gregset_t *r, const CPUSH4State *env)
{
for (int i = 0; i < 16; i++) {
r->regs[i] = tswapreg(env->gregs[i]);
}
r->regs[TARGET_REG_PC] = tswapreg(env->pc);
r->regs[TARGET_REG_PR] = tswapreg(env->pr);
r->regs[TARGET_REG_SR] = tswapreg(env->sr);
r->regs[TARGET_REG_GBR] = tswapreg(env->gbr);
r->regs[TARGET_REG_MACH] = tswapreg(env->mach);
r->regs[TARGET_REG_MACL] = tswapreg(env->macl);
r->regs[TARGET_REG_SYSCALL] = 0; /* FIXME */
}
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