diff options
Diffstat (limited to 'linux-user/sh4/elfload.c')
-rw-r--r-- | linux-user/sh4/elfload.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/linux-user/sh4/elfload.c b/linux-user/sh4/elfload.c new file mode 100644 index 0000000..ddf2aaa --- /dev/null +++ b/linux-user/sh4/elfload.c @@ -0,0 +1,53 @@ +/* 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; +} + +void elf_core_copy_regs(target_elf_gregset_t *r, const CPUSH4State *env) +{ + for (int i = 0; i < 16; i++) { + r->pt.regs[i] = tswapal(env->gregs[i]); + } + + r->pt.pc = tswapal(env->pc); + r->pt.pr = tswapal(env->pr); + r->pt.sr = tswapal(env->sr); + r->pt.gbr = tswapal(env->gbr); + r->pt.mach = tswapal(env->mach); + r->pt.macl = tswapal(env->macl); +} |