diff options
Diffstat (limited to 'qemu/target-ppc/arch_dump.c')
-rw-r--r-- | qemu/target-ppc/arch_dump.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/qemu/target-ppc/arch_dump.c b/qemu/target-ppc/arch_dump.c deleted file mode 100644 index df1fd8c33..000000000 --- a/qemu/target-ppc/arch_dump.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * writing ELF notes for ppc64 arch - * - * - * Copyright IBM, Corp. 2013 - * - * Authors: - * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "elf.h" -#include "exec/cpu-all.h" -#include "sysemu/dump.h" -#include "sysemu/kvm.h" - -struct PPC64UserRegStruct { - uint64_t gpr[32]; - uint64_t nip; - uint64_t msr; - uint64_t orig_gpr3; - uint64_t ctr; - uint64_t link; - uint64_t xer; - uint64_t ccr; - uint64_t softe; - uint64_t trap; - uint64_t dar; - uint64_t dsisr; - uint64_t result; -} QEMU_PACKED; - -struct PPC64ElfPrstatus { - char pad1[112]; - struct PPC64UserRegStruct pr_reg; - uint64_t pad2[4]; -} QEMU_PACKED; - - -struct PPC64ElfFpregset { - uint64_t fpr[32]; - uint64_t fpscr; -} QEMU_PACKED; - - -struct PPC64ElfVmxregset { - ppc_avr_t avr[32]; - ppc_avr_t vscr; - union { - ppc_avr_t unused; - uint32_t value; - } vrsave; -} QEMU_PACKED; - -struct PPC64ElfVsxregset { - uint64_t vsr[32]; -} QEMU_PACKED; - -struct PPC64ElfSperegset { - uint32_t evr[32]; - uint64_t spe_acc; - uint32_t spe_fscr; -} QEMU_PACKED; - -typedef struct noteStruct { - Elf64_Nhdr hdr; - char name[5]; - char pad3[3]; - union { - struct PPC64ElfPrstatus prstatus; - struct PPC64ElfFpregset fpregset; - struct PPC64ElfVmxregset vmxregset; - struct PPC64ElfVsxregset vsxregset; - struct PPC64ElfSperegset speregset; - } contents; -} QEMU_PACKED Note; - -typedef struct NoteFuncArg { - Note note; - DumpState *state; -} NoteFuncArg; - -static void ppc64_write_elf64_prstatus(NoteFuncArg *arg, PowerPCCPU *cpu) -{ - int i; - uint64_t cr; - struct PPC64ElfPrstatus *prstatus; - struct PPC64UserRegStruct *reg; - Note *note = &arg->note; - DumpState *s = arg->state; - - note->hdr.n_type = cpu_to_dump32(s, NT_PRSTATUS); - - prstatus = ¬e->contents.prstatus; - memset(prstatus, 0, sizeof(*prstatus)); - reg = &prstatus->pr_reg; - - for (i = 0; i < 32; i++) { - reg->gpr[i] = cpu_to_dump64(s, cpu->env.gpr[i]); - } - reg->nip = cpu_to_dump64(s, cpu->env.nip); - reg->msr = cpu_to_dump64(s, cpu->env.msr); - reg->ctr = cpu_to_dump64(s, cpu->env.ctr); - reg->link = cpu_to_dump64(s, cpu->env.lr); - reg->xer = cpu_to_dump64(s, cpu_read_xer(&cpu->env)); - - cr = 0; - for (i = 0; i < 8; i++) { - cr |= (cpu->env.crf[i] & 15) << (4 * (7 - i)); - } - reg->ccr = cpu_to_dump64(s, cr); -} - -static void ppc64_write_elf64_fpregset(NoteFuncArg *arg, PowerPCCPU *cpu) -{ - int i; - struct PPC64ElfFpregset *fpregset; - Note *note = &arg->note; - DumpState *s = arg->state; - - note->hdr.n_type = cpu_to_dump32(s, NT_PRFPREG); - - fpregset = ¬e->contents.fpregset; - memset(fpregset, 0, sizeof(*fpregset)); - - for (i = 0; i < 32; i++) { - fpregset->fpr[i] = cpu_to_dump64(s, cpu->env.fpr[i]); - } - fpregset->fpscr = cpu_to_dump64(s, cpu->env.fpscr); -} - -static void ppc64_write_elf64_vmxregset(NoteFuncArg *arg, PowerPCCPU *cpu) -{ - int i; - struct PPC64ElfVmxregset *vmxregset; - Note *note = &arg->note; - DumpState *s = arg->state; - - note->hdr.n_type = cpu_to_dump32(s, NT_PPC_VMX); - vmxregset = ¬e->contents.vmxregset; - memset(vmxregset, 0, sizeof(*vmxregset)); - - for (i = 0; i < 32; i++) { - bool needs_byteswap; - -#ifdef HOST_WORDS_BIGENDIAN - needs_byteswap = s->dump_info.d_endian == ELFDATA2LSB; -#else - needs_byteswap = s->dump_info.d_endian == ELFDATA2MSB; -#endif - - if (needs_byteswap) { - vmxregset->avr[i].u64[0] = bswap64(cpu->env.avr[i].u64[1]); - vmxregset->avr[i].u64[1] = bswap64(cpu->env.avr[i].u64[0]); - } else { - vmxregset->avr[i].u64[0] = cpu->env.avr[i].u64[0]; - vmxregset->avr[i].u64[1] = cpu->env.avr[i].u64[1]; - } - } - vmxregset->vscr.u32[3] = cpu_to_dump32(s, cpu->env.vscr); -} -static void ppc64_write_elf64_vsxregset(NoteFuncArg *arg, PowerPCCPU *cpu) -{ - int i; - struct PPC64ElfVsxregset *vsxregset; - Note *note = &arg->note; - DumpState *s = arg->state; - - note->hdr.n_type = cpu_to_dump32(s, NT_PPC_VSX); - vsxregset = ¬e->contents.vsxregset; - memset(vsxregset, 0, sizeof(*vsxregset)); - - for (i = 0; i < 32; i++) { - vsxregset->vsr[i] = cpu_to_dump64(s, cpu->env.vsr[i]); - } -} -static void ppc64_write_elf64_speregset(NoteFuncArg *arg, PowerPCCPU *cpu) -{ - struct PPC64ElfSperegset *speregset; - Note *note = &arg->note; - DumpState *s = arg->state; - - note->hdr.n_type = cpu_to_dump32(s, NT_PPC_SPE); - speregset = ¬e->contents.speregset; - memset(speregset, 0, sizeof(*speregset)); - - speregset->spe_acc = cpu_to_dump64(s, cpu->env.spe_acc); - speregset->spe_fscr = cpu_to_dump32(s, cpu->env.spe_fscr); -} - -static const struct NoteFuncDescStruct { - int contents_size; - void (*note_contents_func)(NoteFuncArg *arg, PowerPCCPU *cpu); -} note_func[] = { - {sizeof(((Note *)0)->contents.prstatus), ppc64_write_elf64_prstatus}, - {sizeof(((Note *)0)->contents.fpregset), ppc64_write_elf64_fpregset}, - {sizeof(((Note *)0)->contents.vmxregset), ppc64_write_elf64_vmxregset}, - {sizeof(((Note *)0)->contents.vsxregset), ppc64_write_elf64_vsxregset}, - {sizeof(((Note *)0)->contents.speregset), ppc64_write_elf64_speregset}, - { 0, NULL} -}; - -typedef struct NoteFuncDescStruct NoteFuncDesc; - -int cpu_get_dump_info(ArchDumpInfo *info, - const struct GuestPhysBlockList *guest_phys_blocks) -{ - PowerPCCPU *cpu = POWERPC_CPU(first_cpu); - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); - - info->d_machine = EM_PPC64; - info->d_class = ELFCLASS64; - if ((*pcc->interrupts_big_endian)(cpu)) { - info->d_endian = ELFDATA2MSB; - } else { - info->d_endian = ELFDATA2LSB; - } - - return 0; -} - -ssize_t cpu_get_note_size(int class, int machine, int nr_cpus) -{ - int name_size = 8; /* "CORE" or "QEMU" rounded */ - size_t elf_note_size = 0; - int note_head_size; - const NoteFuncDesc *nf; - - if (class != ELFCLASS64) { - return -1; - } - assert(machine == EM_PPC64); - - note_head_size = sizeof(Elf64_Nhdr); - - for (nf = note_func; nf->note_contents_func; nf++) { - elf_note_size = elf_note_size + note_head_size + name_size + - nf->contents_size; - } - - return (elf_note_size) * nr_cpus; -} - -static int ppc64_write_all_elf64_notes(const char *note_name, - WriteCoreDumpFunction f, - PowerPCCPU *cpu, int id, - void *opaque) -{ - NoteFuncArg arg = { .state = opaque }; - int ret = -1; - int note_size; - const NoteFuncDesc *nf; - - for (nf = note_func; nf->note_contents_func; nf++) { - arg.note.hdr.n_namesz = cpu_to_dump32(opaque, sizeof(arg.note.name)); - arg.note.hdr.n_descsz = cpu_to_dump32(opaque, nf->contents_size); - strncpy(arg.note.name, note_name, sizeof(arg.note.name)); - - (*nf->note_contents_func)(&arg, cpu); - - note_size = - sizeof(arg.note) - sizeof(arg.note.contents) + nf->contents_size; - ret = f(&arg.note, note_size, opaque); - if (ret < 0) { - return -1; - } - } - return 0; -} - -int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, - int cpuid, void *opaque) -{ - PowerPCCPU *cpu = POWERPC_CPU(cs); - return ppc64_write_all_elf64_notes("CORE", f, cpu, cpuid, opaque); -} |