xref: /openbmc/qemu/linux-user/xtensa/elfload.c (revision 4791f22a5f5571cb248b1eddff98630545b3fd3e)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include "qemu/osdep.h"
4 #include "qemu.h"
5 #include "loader.h"
6 #include "target_elf.h"
7 
8 
9 const char *get_elf_cpu_model(uint32_t eflags)
10 {
11     return XTENSA_DEFAULT_CPU_MODEL;
12 }
13 
14 void elf_core_copy_regs(target_elf_gregset_t *r, const CPUXtensaState *env)
15 {
16     r->pt.pc = tswap32(env->pc);
17     r->pt.ps = tswap32(env->sregs[PS] & ~PS_EXCM);
18     r->pt.lbeg = tswap32(env->sregs[LBEG]);
19     r->pt.lend = tswap32(env->sregs[LEND]);
20     r->pt.lcount = tswap32(env->sregs[LCOUNT]);
21     r->pt.sar = tswap32(env->sregs[SAR]);
22     r->pt.windowstart = tswap32(env->sregs[WINDOW_START]);
23     r->pt.windowbase = tswap32(env->sregs[WINDOW_BASE]);
24     r->pt.threadptr = tswap32(env->uregs[THREADPTR]);
25 
26     xtensa_sync_phys_from_window((CPUXtensaState *)env);
27 
28     for (unsigned i = 0; i < env->config->nareg; ++i) {
29         r->pt.a[i] = tswap32(env->phys_regs[i]);
30     }
31 }
32