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-rw-r--r--linux-user/sh4/elfload.c53
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);
+}