new file mode 100644
@@ -0,0 +1 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
new file mode 100644
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+TARGET_ARCH=any
new file mode 100644
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+any_ss = ss.source_set()
+
+hw_arch += {'any': any_ss}
@@ -44,6 +44,7 @@ subdir('xen')
subdir('xenpv')
subdir('alpha')
+subdir('any')
subdir('arm')
subdir('avr')
subdir('cris')
@@ -4,6 +4,7 @@
enum {
QEMU_ARCH_ALL = -1,
+ QEMU_ARCH_ANY = -1,
QEMU_ARCH_ALPHA = (1 << 0),
QEMU_ARCH_ARM = (1 << 1),
QEMU_ARCH_CRIS = (1 << 2),
@@ -61,7 +61,7 @@ python = import('python').find_installation()
supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
- 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
+ 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64', 'any']
cpu = host_machine.cpu_family()
@@ -1934,7 +1934,9 @@ foreach target : target_dirs
if default_targets
continue
endif
- error('No accelerator available for target @0@'.format(target))
+ if 'any-softmmu' not in target_dirs
+ error('No accelerator available for target @0@'.format(target))
+ endif
endif
actual_target_dirs += target
@@ -34,7 +34,7 @@
'mips64el', 'mipsel', 'nios2', 'or1k', 'ppc',
'ppc64', 'riscv32', 'riscv64', 'rx', 's390x', 'sh4',
'sh4eb', 'sparc', 'sparc64', 'tricore',
- 'x86_64', 'xtensa', 'xtensaeb' ] }
+ 'x86_64', 'xtensa', 'xtensaeb', 'any' ] }
##
# @CpuS390State:
@@ -1,4 +1,5 @@
source alpha/Kconfig
+source any/Kconfig
source arm/Kconfig
source avr/Kconfig
source cris/Kconfig
new file mode 100644
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+config ANY
+ bool
new file mode 100644
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef ANY_CPU_PARAM_H
+#define ANY_CPU_PARAM_H
+
+#define TARGET_LONG_BITS 64
+
+#define TARGET_PHYS_ADDR_SPACE_BITS 64 /* MAX(targets) */
+#define TARGET_VIRT_ADDR_SPACE_BITS 64 /* MAX(targets) */
+
+#define TARGET_PAGE_BITS_VARY
+#define TARGET_PAGE_BITS_MIN 10 /* MIN(targets)=ARMv5/ARMv6, ignoring AVR */
+
+#define NB_MMU_MODES 15 /* MAX(targets) = ARM */
+
+#include "hw/core/cpu.h"
+#include "qom/object.h"
+
+#define TYPE_ANY_CPU "any-cpu"
+
+OBJECT_DECLARE_CPU_TYPE(ANYCPU, ANYCPUClass, ANY_CPU)
+
+struct ANYCPUClass {
+ /*< private >*/
+ CPUClass parent_class;
+ /*< public >*/
+ DeviceRealize parent_realize;
+ DeviceReset parent_reset;
+};
+
+#endif
new file mode 100644
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef TARGET_ANY_CPU_H
+#define TARGET_ANY_CPU_H
+
+#include "exec/cpu-defs.h"
+
+#define ANY_CPU_TYPE_SUFFIX "-" TYPE_ANY_CPU
+#define ANY_CPU_TYPE_NAME(name) (name ANY_CPU_TYPE_SUFFIX)
+#define CPU_RESOLVING_TYPE TYPE_ANY_CPU
+
+struct CPUArchState {
+ /* nothing here */
+};
+
+struct ArchCPU {
+ /*< private >*/
+ CPUState parent_obj;
+ /*< public >*/
+
+ CPUNegativeOffsetState neg;
+ CPUArchState env;
+};
+
+#include "exec/cpu-all.h"
+
+#endif
new file mode 100644
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+any_ss = ss.source_set()
+
+any_softmmu_ss = ss.source_set()
+
+target_arch += {'any': any_ss}
+target_softmmu_arch += {'any': any_softmmu_ss}
@@ -1,4 +1,5 @@
subdir('alpha')
+subdir('any')
subdir('arm')
subdir('avr')
subdir('cris')
Add the 'any'-architecture target. - Only consider 64-bit targets - Do not use any hardware accelerator (except qtest) - For architecture constants, use: . max of supported targets phys/virt address space . max of supported targets MMU modes . min of supported targets variable page bits Build as: $ ../configure --target-list=any-softmmu \ --disable-tcg --disable-kvm --disable-hvf Test as: $ qemu-system-any -M none,accel=qtest -monitor stdio QEMU 6.2.50 monitor - type 'help' for more information (qemu) info mtree address-space: I/O 0000000000000000-000000000000ffff (prio 0, i/o): io address-space: memory 0000000000000000-ffffffffffffffff (prio 0, i/o): system (qemu) info qom-tree /machine (none-machine) /peripheral (container) /peripheral-anon (container) /unattached (container) /io[0] (memory-region) /sysbus (System) /system[0] (memory-region) (qemu) info qtree bus: main-system-bus type System (qemu) info cpus (qemu) Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- configs/devices/any-softmmu/default.mak | 1 + configs/targets/any-softmmu.mak | 3 +++ hw/any/meson.build | 5 +++++ hw/meson.build | 1 + include/sysemu/arch_init.h | 1 + meson.build | 6 +++-- qapi/machine.json | 2 +- target/Kconfig | 1 + target/any/Kconfig | 4 ++++ target/any/cpu-param.h | 30 +++++++++++++++++++++++++ target/any/cpu.h | 26 +++++++++++++++++++++ target/any/meson.build | 8 +++++++ target/meson.build | 1 + 13 files changed, 86 insertions(+), 3 deletions(-) create mode 100644 configs/devices/any-softmmu/default.mak create mode 100644 configs/targets/any-softmmu.mak create mode 100644 hw/any/meson.build create mode 100644 target/any/Kconfig create mode 100644 target/any/cpu-param.h create mode 100644 target/any/cpu.h create mode 100644 target/any/meson.build