[Qemu-devel] [PATCH v29 7/8] target/avr: Register AVR support with the rest of QEMU, the build system, and the MAINTAINERS file

[Michael Rolnik <mrolnik@gmail.com>]

Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
---
 MAINTAINERS                     |  6 ++++++
 arch_init.c                     |  2 ++
 configure                       |  7 +++++++
 default-configs/avr-softmmu.mak |  5 +++++
 include/disas/dis-asm.h         |  6 ++++++
 include/sysemu/arch_init.h      |  1 +
 qapi/machine.json               |  3 ++-
 target/avr/Makefile.objs        | 33 +++++++++++++++++++++++++++++++++
 tests/machine-none-test.c       |  1 +
 9 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 default-configs/avr-softmmu.mak
 create mode 100644 target/avr/Makefile.objs

diff --git a/MAINTAINERS b/MAINTAINERS
index ef6c01084b..763370e6ff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -163,6 +163,12 @@ S: Maintained
 F: hw/arm/smmu*
 F: include/hw/arm/smmu*
 
+AVR TCG CPUs
+M: Michael Rolnik <mrolnik@gmail.com>
+S: Maintained
+F: target/avr/
+F: hw/avr/
+
 CRIS TCG CPUs
 M: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 S: Maintained
diff --git a/arch_init.c b/arch_init.c
index 0a1531124c..fb308aa802 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -85,6 +85,8 @@ int graphic_depth = 32;
 #define QEMU_ARCH QEMU_ARCH_UNICORE32
 #elif defined(TARGET_XTENSA)
 #define QEMU_ARCH QEMU_ARCH_XTENSA
+#elif defined(TARGET_AVR)
+#define QEMU_ARCH QEMU_ARCH_AVR
 #endif
 
 const uint32_t arch_type = QEMU_ARCH;
diff --git a/configure b/configure
index e44e454c43..1dbecba329 100755
--- a/configure
+++ b/configure
@@ -7510,6 +7510,10 @@ case "$target_name" in
     target_compiler=$cross_cc_aarch64
     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
   ;;
+  avr)
+	gdb_xml_files="avr-cpu.xml"
+    target_compiler=$cross_cc_avr
+  ;;
   cris)
     target_compiler=$cross_cc_cris
   ;;
@@ -7790,6 +7794,9 @@ for i in $ARCH $TARGET_BASE_ARCH ; do
       disas_config "ARM_A64"
     fi
   ;;
+  avr)
+    disas_config "AVR"
+  ;;
   cris)
     disas_config "CRIS"
   ;;
diff --git a/default-configs/avr-softmmu.mak b/default-configs/avr-softmmu.mak
new file mode 100644
index 0000000000..d1e1c28118
--- /dev/null
+++ b/default-configs/avr-softmmu.mak
@@ -0,0 +1,5 @@
+# Default configuration for avr-softmmu
+
+# Boards:
+#
+CONFIG_AVR_SAMPLE=y
diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
index e9c7dd8eb4..8bedce17ac 100644
--- a/include/disas/dis-asm.h
+++ b/include/disas/dis-asm.h
@@ -211,6 +211,12 @@ enum bfd_architecture
 #define bfd_mach_m32r          0  /* backwards compatibility */
   bfd_arch_mn10200,    /* Matsushita MN10200 */
   bfd_arch_mn10300,    /* Matsushita MN10300 */
+  bfd_arch_avr,       /* Atmel AVR microcontrollers.  */
+#define bfd_mach_avr1          1
+#define bfd_mach_avr2          2
+#define bfd_mach_avr3          3
+#define bfd_mach_avr4          4
+#define bfd_mach_avr5          5
   bfd_arch_cris,       /* Axis CRIS */
 #define bfd_mach_cris_v0_v10   255
 #define bfd_mach_cris_v32      32
diff --git a/include/sysemu/arch_init.h b/include/sysemu/arch_init.h
index 62c6fe4cf1..893df26ce2 100644
--- a/include/sysemu/arch_init.h
+++ b/include/sysemu/arch_init.h
@@ -24,6 +24,7 @@ enum {
     QEMU_ARCH_NIOS2 = (1 << 17),
     QEMU_ARCH_HPPA = (1 << 18),
     QEMU_ARCH_RISCV = (1 << 19),
+    QEMU_ARCH_AVR = (1 << 20),
 };
 
 extern const uint32_t arch_type;
diff --git a/qapi/machine.json b/qapi/machine.json
index de5c742d72..a82ba088f4 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -21,11 +21,12 @@
 #        is true even for "qemu-system-x86_64".
 #
 # ppcemb: dropped in 3.1
+# avr: addin in 4.2
 #
 # Since: 3.0
 ##
 { 'enum' : 'SysEmuTarget',
-  'data' : [ 'aarch64', 'alpha', 'arm', 'cris', 'hppa', 'i386', 'lm32',
+  'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'cris', 'hppa', 'i386', 'lm32',
              'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64',
              'mips64el', 'mipsel', 'moxie', 'nios2', 'or1k', 'ppc',
              'ppc64', 'riscv32', 'riscv64', 's390x', 'sh4',
diff --git a/target/avr/Makefile.objs b/target/avr/Makefile.objs
new file mode 100644
index 0000000000..2976affd95
--- /dev/null
+++ b/target/avr/Makefile.objs
@@ -0,0 +1,33 @@
+#
+#  QEMU AVR CPU
+#
+#  Copyright (c) 2019 Michael Rolnik
+#
+#  This library is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, see
+#  <http://www.gnu.org/licenses/lgpl-2.1.html>
+#
+
+DECODETREE = $(SRC_PATH)/scripts/decodetree.py
+decode-y = $(SRC_PATH)/target/avr/insn.decode
+
+target/avr/decode_insn.inc.c: $(decode-y) $(DECODETREE)
+	$(call quiet-command, \
+	  $(PYTHON) $(DECODETREE) -o $@ --decode decode_insn --insnwidth 16 $<, \
+	  "GEN", $(TARGET_DIR)$@)
+
+target/avr/translate.o: target/avr/decode_insn.inc.c
+
+obj-y += translate.o cpu.o helper.o
+obj-y += gdbstub.o
+obj-$(CONFIG_SOFTMMU) += machine.o
diff --git a/tests/machine-none-test.c b/tests/machine-none-test.c
index 5953d31755..3e5c74e73e 100644
--- a/tests/machine-none-test.c
+++ b/tests/machine-none-test.c
@@ -27,6 +27,7 @@ static struct arch2cpu cpus_map[] = {
     /* tested targets list */
     { "arm", "cortex-a15" },
     { "aarch64", "cortex-a57" },
+    { "avr", "avr6-avr-cpu" },
     { "x86_64", "qemu64,apic-id=0" },
     { "i386", "qemu32,apic-id=0" },
     { "alpha", "ev67" },
-- 
2.17.2 (Apple Git-113)