linux-user: Split out cpu/target_proc.h
Move the various open_cpuinfo functions into new files.
Move the m68k open_hardware function as well.
All other guest architectures get a boilerplate empty file.
Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/linux-user/aarch64/target_proc.h b/linux-user/aarch64/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/aarch64/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/alpha/target_proc.h b/linux-user/alpha/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/alpha/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/arm/target_proc.h b/linux-user/arm/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/arm/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/cris/target_proc.h b/linux-user/cris/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/cris/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/hexagon/target_proc.h b/linux-user/hexagon/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/hexagon/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/hppa/target_proc.h b/linux-user/hppa/target_proc.h
new file mode 100644
index 0000000..9340c3b
--- /dev/null
+++ b/linux-user/hppa/target_proc.h
@@ -0,0 +1,26 @@
+/*
+ * HPPA specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef HPPA_TARGET_PROC_H
+#define HPPA_TARGET_PROC_H
+
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ int i, num_cpus;
+
+ num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ for (i = 0; i < num_cpus; i++) {
+ dprintf(fd, "processor\t: %d\n", i);
+ dprintf(fd, "cpu family\t: PA-RISC 1.1e\n");
+ dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n");
+ dprintf(fd, "capabilities\t: os32\n");
+ dprintf(fd, "model\t\t: 9000/778/B160L - "
+ "Merlin L2 160 QEMU (9000/778/B160L)\n\n");
+ }
+ return 0;
+}
+#define HAVE_ARCH_PROC_CPUINFO
+
+#endif /* HPPA_TARGET_PROC_H */
diff --git a/linux-user/i386/target_proc.h b/linux-user/i386/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/i386/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/loongarch64/target_proc.h b/linux-user/loongarch64/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/loongarch64/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/m68k/target_proc.h b/linux-user/m68k/target_proc.h
new file mode 100644
index 0000000..3df8f28
--- /dev/null
+++ b/linux-user/m68k/target_proc.h
@@ -0,0 +1,16 @@
+/*
+ * M68K specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef M68K_TARGET_PROC_H
+#define M68K_TARGET_PROC_H
+
+static int open_hardware(CPUArchState *cpu_env, int fd)
+{
+ dprintf(fd, "Model:\t\tqemu-m68k\n");
+ return 0;
+}
+#define HAVE_ARCH_PROC_HARDWARE
+
+#endif /* M68K_TARGET_PROC_H */
diff --git a/linux-user/microblaze/target_proc.h b/linux-user/microblaze/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/microblaze/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/mips/target_proc.h b/linux-user/mips/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/mips/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/mips64/target_proc.h b/linux-user/mips64/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/mips64/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/nios2/target_proc.h b/linux-user/nios2/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/nios2/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/openrisc/target_proc.h b/linux-user/openrisc/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/openrisc/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/ppc/target_proc.h b/linux-user/ppc/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/ppc/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/riscv/target_proc.h b/linux-user/riscv/target_proc.h
new file mode 100644
index 0000000..c77c003
--- /dev/null
+++ b/linux-user/riscv/target_proc.h
@@ -0,0 +1,37 @@
+/*
+ * RISC-V specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef RISCV_TARGET_PROC_H
+#define RISCV_TARGET_PROC_H
+
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ int i;
+ int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ RISCVCPU *cpu = env_archcpu(cpu_env);
+ const RISCVCPUConfig *cfg = riscv_cpu_cfg((CPURISCVState *) cpu_env);
+ char *isa_string = riscv_isa_string(cpu);
+ const char *mmu;
+
+ if (cfg->mmu) {
+ mmu = (cpu_env->xl == MXL_RV32) ? "sv32" : "sv48";
+ } else {
+ mmu = "none";
+ }
+
+ for (i = 0; i < num_cpus; i++) {
+ dprintf(fd, "processor\t: %d\n", i);
+ dprintf(fd, "hart\t\t: %d\n", i);
+ dprintf(fd, "isa\t\t: %s\n", isa_string);
+ dprintf(fd, "mmu\t\t: %s\n", mmu);
+ dprintf(fd, "uarch\t\t: qemu\n\n");
+ }
+
+ g_free(isa_string);
+ return 0;
+}
+#define HAVE_ARCH_PROC_CPUINFO
+
+#endif /* RISCV_TARGET_PROC_H */
diff --git a/linux-user/s390x/target_proc.h b/linux-user/s390x/target_proc.h
new file mode 100644
index 0000000..a4a4821
--- /dev/null
+++ b/linux-user/s390x/target_proc.h
@@ -0,0 +1,109 @@
+/*
+ * S390X specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef S390X_TARGET_PROC_H
+#define S390X_TARGET_PROC_H
+
+/*
+ * Emulate what a Linux kernel running in qemu-system-s390x -M accel=tcg would
+ * show in /proc/cpuinfo.
+ *
+ * Skip the following in order to match the missing support in op_ecag():
+ * - show_cacheinfo().
+ * - show_cpu_topology().
+ * - show_cpu_mhz().
+ *
+ * Use fixed values for certain fields:
+ * - bogomips per cpu - from a qemu-system-s390x run.
+ * - max thread id = 0, since SMT / SIGP_SET_MULTI_THREADING is not supported.
+ *
+ * Keep the code structure close to arch/s390/kernel/processor.c.
+ */
+
+static void show_facilities(int fd)
+{
+ size_t sizeof_stfl_bytes = 2048;
+ g_autofree uint8_t *stfl_bytes = g_new0(uint8_t, sizeof_stfl_bytes);
+ unsigned int bit;
+
+ dprintf(fd, "facilities :");
+ s390_get_feat_block(S390_FEAT_TYPE_STFL, stfl_bytes);
+ for (bit = 0; bit < sizeof_stfl_bytes * 8; bit++) {
+ if (test_be_bit(bit, stfl_bytes)) {
+ dprintf(fd, " %d", bit);
+ }
+ }
+ dprintf(fd, "\n");
+}
+
+static int cpu_ident(unsigned long n)
+{
+ return deposit32(0, CPU_ID_BITS - CPU_PHYS_ADDR_BITS, CPU_PHYS_ADDR_BITS,
+ n);
+}
+
+static void show_cpu_summary(CPUArchState *cpu_env, int fd)
+{
+ S390CPUModel *model = env_archcpu(cpu_env)->model;
+ int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ uint32_t elf_hwcap = get_elf_hwcap();
+ const char *hwcap_str;
+ int i;
+
+ dprintf(fd, "vendor_id : IBM/S390\n"
+ "# processors : %i\n"
+ "bogomips per cpu: 13370.00\n",
+ num_cpus);
+ dprintf(fd, "max thread id : 0\n");
+ dprintf(fd, "features\t: ");
+ for (i = 0; i < sizeof(elf_hwcap) * 8; i++) {
+ if (!(elf_hwcap & (1 << i))) {
+ continue;
+ }
+ hwcap_str = elf_hwcap_str(i);
+ if (hwcap_str) {
+ dprintf(fd, "%s ", hwcap_str);
+ }
+ }
+ dprintf(fd, "\n");
+ show_facilities(fd);
+ for (i = 0; i < num_cpus; i++) {
+ dprintf(fd, "processor %d: "
+ "version = %02X, "
+ "identification = %06X, "
+ "machine = %04X\n",
+ i, model->cpu_ver, cpu_ident(i), model->def->type);
+ }
+}
+
+static void show_cpu_ids(CPUArchState *cpu_env, int fd, unsigned long n)
+{
+ S390CPUModel *model = env_archcpu(cpu_env)->model;
+
+ dprintf(fd, "version : %02X\n", model->cpu_ver);
+ dprintf(fd, "identification : %06X\n", cpu_ident(n));
+ dprintf(fd, "machine : %04X\n", model->def->type);
+}
+
+static void show_cpuinfo(CPUArchState *cpu_env, int fd, unsigned long n)
+{
+ dprintf(fd, "\ncpu number : %ld\n", n);
+ show_cpu_ids(cpu_env, fd, n);
+}
+
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ int i;
+
+ show_cpu_summary(cpu_env, fd);
+ for (i = 0; i < num_cpus; i++) {
+ show_cpuinfo(cpu_env, fd, i);
+ }
+ return 0;
+}
+#define HAVE_ARCH_PROC_CPUINFO
+
+#endif /* S390X_TARGET_PROC_H */
diff --git a/linux-user/sh4/target_proc.h b/linux-user/sh4/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/sh4/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/sparc/target_proc.h b/linux-user/sparc/target_proc.h
new file mode 100644
index 0000000..3bb3134
--- /dev/null
+++ b/linux-user/sparc/target_proc.h
@@ -0,0 +1,16 @@
+/*
+ * Sparc specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef SPARC_TARGET_PROC_H
+#define SPARC_TARGET_PROC_H
+
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ dprintf(fd, "type\t\t: sun4u\n");
+ return 0;
+}
+#define HAVE_ARCH_PROC_CPUINFO
+
+#endif /* SPARC_TARGET_PROC_H */
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9353268..faad3a5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8339,9 +8339,11 @@
}
}
+#include "target_proc.h"
+
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
- defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) || \
- defined(TARGET_RISCV) || defined(TARGET_S390X)
+ defined(HAVE_ARCH_PROC_CPUINFO) || \
+ defined(HAVE_ARCH_PROC_HARDWARE)
static int is_proc(const char *filename, const char *entry)
{
return strcmp(filename, entry) == 0;
@@ -8393,171 +8395,6 @@
}
#endif
-#if defined(TARGET_SPARC)
-static int open_cpuinfo(CPUArchState *cpu_env, int fd)
-{
- dprintf(fd, "type\t\t: sun4u\n");
- return 0;
-}
-#endif
-
-#if defined(TARGET_HPPA)
-static int open_cpuinfo(CPUArchState *cpu_env, int fd)
-{
- int i, num_cpus;
-
- num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- for (i = 0; i < num_cpus; i++) {
- dprintf(fd, "processor\t: %d\n", i);
- dprintf(fd, "cpu family\t: PA-RISC 1.1e\n");
- dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n");
- dprintf(fd, "capabilities\t: os32\n");
- dprintf(fd, "model\t\t: 9000/778/B160L - "
- "Merlin L2 160 QEMU (9000/778/B160L)\n\n");
- }
- return 0;
-}
-#endif
-
-#if defined(TARGET_RISCV)
-static int open_cpuinfo(CPUArchState *cpu_env, int fd)
-{
- int i;
- int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- RISCVCPU *cpu = env_archcpu(cpu_env);
- const RISCVCPUConfig *cfg = riscv_cpu_cfg((CPURISCVState *) cpu_env);
- char *isa_string = riscv_isa_string(cpu);
- const char *mmu;
-
- if (cfg->mmu) {
- mmu = (cpu_env->xl == MXL_RV32) ? "sv32" : "sv48";
- } else {
- mmu = "none";
- }
-
- for (i = 0; i < num_cpus; i++) {
- dprintf(fd, "processor\t: %d\n", i);
- dprintf(fd, "hart\t\t: %d\n", i);
- dprintf(fd, "isa\t\t: %s\n", isa_string);
- dprintf(fd, "mmu\t\t: %s\n", mmu);
- dprintf(fd, "uarch\t\t: qemu\n\n");
- }
-
- g_free(isa_string);
- return 0;
-}
-#endif
-
-#if defined(TARGET_S390X)
-/*
- * Emulate what a Linux kernel running in qemu-system-s390x -M accel=tcg would
- * show in /proc/cpuinfo.
- *
- * Skip the following in order to match the missing support in op_ecag():
- * - show_cacheinfo().
- * - show_cpu_topology().
- * - show_cpu_mhz().
- *
- * Use fixed values for certain fields:
- * - bogomips per cpu - from a qemu-system-s390x run.
- * - max thread id = 0, since SMT / SIGP_SET_MULTI_THREADING is not supported.
- *
- * Keep the code structure close to arch/s390/kernel/processor.c.
- */
-
-static void show_facilities(int fd)
-{
- size_t sizeof_stfl_bytes = 2048;
- g_autofree uint8_t *stfl_bytes = g_new0(uint8_t, sizeof_stfl_bytes);
- unsigned int bit;
-
- dprintf(fd, "facilities :");
- s390_get_feat_block(S390_FEAT_TYPE_STFL, stfl_bytes);
- for (bit = 0; bit < sizeof_stfl_bytes * 8; bit++) {
- if (test_be_bit(bit, stfl_bytes)) {
- dprintf(fd, " %d", bit);
- }
- }
- dprintf(fd, "\n");
-}
-
-static int cpu_ident(unsigned long n)
-{
- return deposit32(0, CPU_ID_BITS - CPU_PHYS_ADDR_BITS, CPU_PHYS_ADDR_BITS,
- n);
-}
-
-static void show_cpu_summary(CPUArchState *cpu_env, int fd)
-{
- S390CPUModel *model = env_archcpu(cpu_env)->model;
- int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- uint32_t elf_hwcap = get_elf_hwcap();
- const char *hwcap_str;
- int i;
-
- dprintf(fd, "vendor_id : IBM/S390\n"
- "# processors : %i\n"
- "bogomips per cpu: 13370.00\n",
- num_cpus);
- dprintf(fd, "max thread id : 0\n");
- dprintf(fd, "features\t: ");
- for (i = 0; i < sizeof(elf_hwcap) * 8; i++) {
- if (!(elf_hwcap & (1 << i))) {
- continue;
- }
- hwcap_str = elf_hwcap_str(i);
- if (hwcap_str) {
- dprintf(fd, "%s ", hwcap_str);
- }
- }
- dprintf(fd, "\n");
- show_facilities(fd);
- for (i = 0; i < num_cpus; i++) {
- dprintf(fd, "processor %d: "
- "version = %02X, "
- "identification = %06X, "
- "machine = %04X\n",
- i, model->cpu_ver, cpu_ident(i), model->def->type);
- }
-}
-
-static void show_cpu_ids(CPUArchState *cpu_env, int fd, unsigned long n)
-{
- S390CPUModel *model = env_archcpu(cpu_env)->model;
-
- dprintf(fd, "version : %02X\n", model->cpu_ver);
- dprintf(fd, "identification : %06X\n", cpu_ident(n));
- dprintf(fd, "machine : %04X\n", model->def->type);
-}
-
-static void show_cpuinfo(CPUArchState *cpu_env, int fd, unsigned long n)
-{
- dprintf(fd, "\ncpu number : %ld\n", n);
- show_cpu_ids(cpu_env, fd, n);
-}
-
-static int open_cpuinfo(CPUArchState *cpu_env, int fd)
-{
- int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- int i;
-
- show_cpu_summary(cpu_env, fd);
- for (i = 0; i < num_cpus; i++) {
- show_cpuinfo(cpu_env, fd, i);
- }
- return 0;
-}
-#endif
-
-#if defined(TARGET_M68K)
-static int open_hardware(CPUArchState *cpu_env, int fd)
-{
- dprintf(fd, "Model:\t\tqemu-m68k\n");
- return 0;
-}
-#endif
-
-
int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *fname,
int flags, mode_t mode, bool safe)
{
@@ -8578,11 +8415,10 @@
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
{ "/proc/net/route", open_net_route, is_proc },
#endif
-#if defined(TARGET_SPARC) || defined(TARGET_HPPA) || \
- defined(TARGET_RISCV) || defined(TARGET_S390X)
+#if defined(HAVE_ARCH_PROC_CPUINFO)
{ "/proc/cpuinfo", open_cpuinfo, is_proc },
#endif
-#if defined(TARGET_M68K)
+#if defined(HAVE_ARCH_PROC_HARDWARE)
{ "/proc/hardware", open_hardware, is_proc },
#endif
{ NULL, NULL, NULL }
diff --git a/linux-user/x86_64/target_proc.h b/linux-user/x86_64/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/x86_64/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
diff --git a/linux-user/xtensa/target_proc.h b/linux-user/xtensa/target_proc.h
new file mode 100644
index 0000000..43fe29c
--- /dev/null
+++ b/linux-user/xtensa/target_proc.h
@@ -0,0 +1 @@
+/* No target-specific /proc support */
