Introduce an API to get information specific to a binary
from the binary name (argv[0]).
Initialize it from qemu_init() on system emulation.
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
meson.build | 2 +-
include/qemu/legacy_binary_info.h | 14 +++
legacy_binary_info.c | 160 ++++++++++++++++++++++++++++++
system/vl.c | 2 +
4 files changed, 177 insertions(+), 1 deletion(-)
create mode 100644 include/qemu/legacy_binary_info.h
create mode 100644 legacy_binary_info.c
diff --git a/meson.build b/meson.build
index eaae1da2e92..e4ede6ba06f 100644
--- a/meson.build
+++ b/meson.build
@@ -3767,7 +3767,7 @@ if have_block
endif
endif
-common_ss.add(files('cpu-common.c'))
+common_ss.add(files('cpu-common.c', 'legacy_binary_info.c'))
specific_ss.add(files('cpu-target.c', 'arch_info-target.c'))
subdir('system')
diff --git a/include/qemu/legacy_binary_info.h
b/include/qemu/legacy_binary_info.h
new file mode 100644
index 00000000000..ae67399ebf2
--- /dev/null
+++ b/include/qemu/legacy_binary_info.h
@@ -0,0 +1,14 @@
+/*
+ * QEMU legacy binary helpers
+ *
+ * Copyright (c) Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef QEMU_LEGACY_BINARY_INFO_H
+#define QEMU_LEGACY_BINARY_INFO_H
+
+void legacy_binary_info_init(const char *argv0);
+
+#endif
diff --git a/legacy_binary_info.c b/legacy_binary_info.c
new file mode 100644
index 00000000000..0c50fc9248a
--- /dev/null
+++ b/legacy_binary_info.c
@@ -0,0 +1,160 @@
+/*
+ * QEMU legacy binary helpers
+ *
+ * Copyright (c) Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/arch_info.h"
+#include "qemu/legacy_binary_info.h"
+
+typedef struct LegacyBinaryInfo {
+ const char *binary_name;
+ QemuArchBit arch_bit;
+} LegacyBinaryInfo;
+
+/* List alphabetically sorted by binary_name */
+static const LegacyBinaryInfo legacy_binary_infos[] = {
+ {
+ .binary_name = "qemu-system-aarch64",
+ .arch_bit = QEMU_ARCH_BIT_ARM,
+ },
+ {
+ .binary_name = "qemu-system-alpha",
+ .arch_bit = QEMU_ARCH_BIT_ALPHA,
+ },
+ {
+ .binary_name = "qemu-system-arm",
+ .arch_bit = QEMU_ARCH_BIT_ARM,
+ },
+ {
+ .binary_name = "qemu-system-avr",
+ .arch_bit = QEMU_ARCH_BIT_AVR,
+ },
+ {
+ .binary_name = "qemu-system-hppa",
+ .arch_bit = QEMU_ARCH_BIT_HPPA,
+ },
+ {
+ .binary_name = "qemu-system-i386",
+ .arch_bit = QEMU_ARCH_BIT_I386,
+ },
+ {
+ .binary_name = "qemu-system-loongarch64",
+ .arch_bit = QEMU_ARCH_BIT_LOONGARCH,
+ },
+ {
+ .binary_name = "qemu-system-m68k",
+ .arch_bit = QEMU_ARCH_BIT_M68K,
+ },
+ {
+ .binary_name = "qemu-system-microblaze",
+ .arch_bit = QEMU_ARCH_BIT_MICROBLAZE,
+ },
+ {
+ .binary_name = "qemu-system-microblazeel",
+ .arch_bit = QEMU_ARCH_BIT_MICROBLAZE,
+ },
+ {
+ .binary_name = "qemu-system-mips",
+ .arch_bit = QEMU_ARCH_BIT_MIPS,
+ },
+ {
+ .binary_name = "qemu-system-mips64",
+ .arch_bit = QEMU_ARCH_BIT_MIPS,
+ },
+ {
+ .binary_name = "qemu-system-mips64el",
+ .arch_bit = QEMU_ARCH_BIT_MIPS,
+ },
+ {
+ .binary_name = "qemu-system-mipsel",
+ .arch_bit = QEMU_ARCH_BIT_MIPS,
+ },
+ {
+ .binary_name = "qemu-system-or1k",
+ .arch_bit = QEMU_ARCH_BIT_OPENRISC,
+ },
+ {
+ .binary_name = "qemu-system-ppc",
+ .arch_bit = QEMU_ARCH_BIT_PPC,
+ },
+ {
+ .binary_name = "qemu-system-ppc64",
+ .arch_bit = QEMU_ARCH_BIT_PPC,
+ },
+ {
+ .binary_name = "qemu-system-riscv32",
+ .arch_bit = QEMU_ARCH_BIT_RISCV,
+ },
+ {
+ .binary_name = "qemu-system-riscv64",
+ .arch_bit = QEMU_ARCH_BIT_RISCV,
+ },
+ {
+ .binary_name = "qemu-system-rx",
+ .arch_bit = QEMU_ARCH_BIT_RX,
+ },
+ {
+ .binary_name = "qemu-system-s390x",
+ .arch_bit = QEMU_ARCH_BIT_S390X,
+ },
+ {
+ .binary_name = "qemu-system-sh4",
+ .arch_bit = QEMU_ARCH_BIT_SH4,
+ },
+ {
+ .binary_name = "qemu-system-sh4eb",
+ .arch_bit = QEMU_ARCH_BIT_SH4,
+ },
+ {
+ .binary_name = "qemu-system-sparc",
+ .arch_bit = QEMU_ARCH_BIT_SPARC,
+ },
+ {
+ .binary_name = "qemu-system-sparc64",
+ .arch_bit = QEMU_ARCH_BIT_SPARC,
+ },
+ {
+ .binary_name = "qemu-system-tricore",
+ .arch_bit = QEMU_ARCH_BIT_TRICORE,
+ },
+ {
+ .binary_name = "qemu-system-x86_64",
+ .arch_bit = QEMU_ARCH_BIT_I386,
+ },
+ {
+ .binary_name = "qemu-system-xtensa",
+ .arch_bit = QEMU_ARCH_BIT_XTENSA,
+ },
+ {
+ .binary_name = "qemu-system-xtensaeb",
+ .arch_bit = QEMU_ARCH_BIT_XTENSA,
+ },
+};
+
+static int current_index = -1;
+
+void legacy_binary_info_init(const char *argv0)
+{
+ g_auto(GStrv) tokens = g_strsplit(argv0, G_DIR_SEPARATOR_S, -1);
+ unsigned count = 0;
+ const char *binary_name;
+
+ while (tokens[count]) {
+ count++;
+ }
+ assert(count > 0);
+ binary_name = tokens[count - 1];
+
+ for (size_t i = 0; i < ARRAY_SIZE(legacy_binary_infos); i++) {
+ if (!strcmp(legacy_binary_infos[i].binary_name, binary_name)) {
+ current_index = i;
+ return;
+ }
+ }
+ fprintf(stderr, "Missing legacy info for '%s' binary.\n", binary_name);
+ abort();
+}
diff --git a/system/vl.c b/system/vl.c
index a41ba4a2d5f..74a062c7fff 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -28,6 +28,7 @@
#include "qemu/units.h"
#include "qemu/module.h"
#include "qemu/arch_info.h"
+#include "qemu/legacy_binary_info.h"
#include "exec/cpu-common.h"
#include "exec/page-vary.h"
#include "hw/qdev-properties.h"
@@ -2883,6 +2884,7 @@ void qemu_init(int argc, char **argv)
error_init(argv[0]);
qemu_init_exec_dir(argv[0]);
+ legacy_binary_info_init(argv[0]);
os_setup_limits();
--
2.47.1
