Move target-* CPU file into a target/ folder

We've currently got 18 architectures in QEMU, and thus 18 target-xxx
folders in the root folder of the QEMU source tree. More architectures
(e.g. RISC-V, AVR) are likely to be included soon, too, so the main
folder of the QEMU sources slowly gets quite overcrowded with the
target-xxx folders.
To disburden the main folder a little bit, let's move the target-xxx
folders into a dedicated target/ folder, so that target-xxx/ simply
becomes target/xxx/ instead.

Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part]
Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part]
Acked-by: Michael Walle <michael@walle.cc> [lm32 part]
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part]
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part]
Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part]
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part]
Acked-by: Richard Henderson <rth@twiddle.net> [alpha part]
Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part]
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [cris&microblaze part]
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part]
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 249 insertions, 0 deletions

diff --git a/target/s390x/arch_dump.c b/target/s390x/arch_dump.c
new file mode 100644
index 0000000000..4731869f6b
--- /dev/null
+++ b/target/s390x/arch_dump.c
@@ -0,0 +1,249 @@
+/*
+ * writing ELF notes for s390x arch
+ *
+ *
+ * Copyright IBM Corp. 2012, 2013
+ *
+ *     Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * 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 S390xUserRegsStruct {
+    uint64_t psw[2];
+    uint64_t gprs[16];
+    uint32_t acrs[16];
+} QEMU_PACKED;
+
+typedef struct S390xUserRegsStruct S390xUserRegs;
+
+struct S390xElfPrstatusStruct {
+    uint8_t pad1[32];
+    uint32_t pid;
+    uint8_t pad2[76];
+    S390xUserRegs regs;
+    uint8_t pad3[16];
+} QEMU_PACKED;
+
+typedef struct S390xElfPrstatusStruct S390xElfPrstatus;
+
+struct S390xElfFpregsetStruct {
+    uint32_t fpc;
+    uint32_t pad;
+    uint64_t fprs[16];
+} QEMU_PACKED;
+
+typedef struct S390xElfFpregsetStruct S390xElfFpregset;
+
+struct S390xElfVregsLoStruct {
+    uint64_t vregs[16];
+} QEMU_PACKED;
+
+typedef struct S390xElfVregsLoStruct S390xElfVregsLo;
+
+struct S390xElfVregsHiStruct {
+    uint64_t vregs[16][2];
+} QEMU_PACKED;
+
+typedef struct S390xElfVregsHiStruct S390xElfVregsHi;
+
+typedef struct noteStruct {
+    Elf64_Nhdr hdr;
+    char name[5];
+    char pad3[3];
+    union {
+        S390xElfPrstatus prstatus;
+        S390xElfFpregset fpregset;
+        S390xElfVregsLo vregslo;
+        S390xElfVregsHi vregshi;
+        uint32_t prefix;
+        uint64_t timer;
+        uint64_t todcmp;
+        uint32_t todpreg;
+        uint64_t ctrs[16];
+    } contents;
+} QEMU_PACKED Note;
+
+static void s390x_write_elf64_prstatus(Note *note, S390CPU *cpu)
+{
+    int i;
+    S390xUserRegs *regs;
+
+    note->hdr.n_type = cpu_to_be32(NT_PRSTATUS);
+
+    regs = &(note->contents.prstatus.regs);
+    regs->psw[0] = cpu_to_be64(cpu->env.psw.mask);
+    regs->psw[1] = cpu_to_be64(cpu->env.psw.addr);
+    for (i = 0; i <= 15; i++) {
+        regs->acrs[i] = cpu_to_be32(cpu->env.aregs[i]);
+        regs->gprs[i] = cpu_to_be64(cpu->env.regs[i]);
+    }
+}
+
+static void s390x_write_elf64_fpregset(Note *note, S390CPU *cpu)
+{
+    int i;
+    CPUS390XState *cs = &cpu->env;
+
+    note->hdr.n_type = cpu_to_be32(NT_FPREGSET);
+    note->contents.fpregset.fpc = cpu_to_be32(cpu->env.fpc);
+    for (i = 0; i <= 15; i++) {
+        note->contents.fpregset.fprs[i] = cpu_to_be64(get_freg(cs, i)->ll);
+    }
+}
+
+static void s390x_write_elf64_vregslo(Note *note, S390CPU *cpu)
+{
+    int i;
+
+    note->hdr.n_type = cpu_to_be32(NT_S390_VXRS_LOW);
+    for (i = 0; i <= 15; i++) {
+        note->contents.vregslo.vregs[i] = cpu_to_be64(cpu->env.vregs[i][1].ll);
+    }
+}
+
+static void s390x_write_elf64_vregshi(Note *note, S390CPU *cpu)
+{
+    int i;
+    S390xElfVregsHi *temp_vregshi;
+
+    temp_vregshi = &note->contents.vregshi;
+
+    note->hdr.n_type = cpu_to_be32(NT_S390_VXRS_HIGH);
+    for (i = 0; i <= 15; i++) {
+        temp_vregshi->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i + 16][0].ll);
+        temp_vregshi->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i + 16][1].ll);
+    }
+}
+
+static void s390x_write_elf64_timer(Note *note, S390CPU *cpu)
+{
+    note->hdr.n_type = cpu_to_be32(NT_S390_TIMER);
+    note->contents.timer = cpu_to_be64((uint64_t)(cpu->env.cputm));
+}
+
+static void s390x_write_elf64_todcmp(Note *note, S390CPU *cpu)
+{
+    note->hdr.n_type = cpu_to_be32(NT_S390_TODCMP);
+    note->contents.todcmp = cpu_to_be64((uint64_t)(cpu->env.ckc));
+}
+
+static void s390x_write_elf64_todpreg(Note *note, S390CPU *cpu)
+{
+    note->hdr.n_type = cpu_to_be32(NT_S390_TODPREG);
+    note->contents.todpreg = cpu_to_be32((uint32_t)(cpu->env.todpr));
+}
+
+static void s390x_write_elf64_ctrs(Note *note, S390CPU *cpu)
+{
+    int i;
+
+    note->hdr.n_type = cpu_to_be32(NT_S390_CTRS);
+
+    for (i = 0; i <= 15; i++) {
+        note->contents.ctrs[i] = cpu_to_be64(cpu->env.cregs[i]);
+    }
+}
+
+static void s390x_write_elf64_prefix(Note *note, S390CPU *cpu)
+{
+    note->hdr.n_type = cpu_to_be32(NT_S390_PREFIX);
+    note->contents.prefix = cpu_to_be32((uint32_t)(cpu->env.psa));
+}
+
+
+static const struct NoteFuncDescStruct {
+    int contents_size;
+    void (*note_contents_func)(Note *note, S390CPU *cpu);
+} note_func[] = {
+    {sizeof(((Note *)0)->contents.prstatus), s390x_write_elf64_prstatus},
+    {sizeof(((Note *)0)->contents.prefix),   s390x_write_elf64_prefix},
+    {sizeof(((Note *)0)->contents.fpregset), s390x_write_elf64_fpregset},
+    {sizeof(((Note *)0)->contents.ctrs),     s390x_write_elf64_ctrs},
+    {sizeof(((Note *)0)->contents.timer),    s390x_write_elf64_timer},
+    {sizeof(((Note *)0)->contents.todcmp),   s390x_write_elf64_todcmp},
+    {sizeof(((Note *)0)->contents.todpreg),  s390x_write_elf64_todpreg},
+    {sizeof(((Note *)0)->contents.vregslo),  s390x_write_elf64_vregslo},
+    {sizeof(((Note *)0)->contents.vregshi),  s390x_write_elf64_vregshi},
+    { 0, NULL}
+};
+
+typedef struct NoteFuncDescStruct NoteFuncDesc;
+
+
+static int s390x_write_all_elf64_notes(const char *note_name,
+                                       WriteCoreDumpFunction f,
+                                       S390CPU *cpu, int id,
+                                       void *opaque)
+{
+    Note note;
+    const NoteFuncDesc *nf;
+    int note_size;
+    int ret = -1;
+
+    for (nf = note_func; nf->note_contents_func; nf++) {
+        memset(&note, 0, sizeof(note));
+        note.hdr.n_namesz = cpu_to_be32(sizeof(note.name));
+        note.hdr.n_descsz = cpu_to_be32(nf->contents_size);
+        strncpy(note.name, note_name, sizeof(note.name));
+        (*nf->note_contents_func)(&note, cpu);
+
+        note_size = sizeof(note) - sizeof(note.contents) + nf->contents_size;
+        ret = f(&note, note_size, opaque);
+
+        if (ret < 0) {
+            return -1;
+        }
+
+    }
+
+    return 0;
+}
+
+
+int s390_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
+                              int cpuid, void *opaque)
+{
+    S390CPU *cpu = S390_CPU(cs);
+    return s390x_write_all_elf64_notes("CORE", f, cpu, cpuid, opaque);
+}
+
+int cpu_get_dump_info(ArchDumpInfo *info,
+                      const struct GuestPhysBlockList *guest_phys_blocks)
+{
+    info->d_machine = EM_S390;
+    info->d_endian = ELFDATA2MSB;
+    info->d_class = ELFCLASS64;
+
+    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;
+
+    assert(class == ELFCLASS64);
+    assert(machine == EM_S390);
+
+    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;
+}