[PATCH 13/14] arc: Add support for ARCv2
cupertinomiranda at gmail.com
cupertinomiranda at gmail.com
Wed Sep 30 16:46:03 EDT 2020
From: Shahab Vahedi <shahab at synopsys.com>
Add remaining bits of the Synopsys ARCv2 (EM/HS) support into QEMU,
configure bits, arch_init and configuration files for softmmu (hardware
emulation).
Signed-off-by: Shahab Vahedi <shahab at synopsys.com>
---
configure | 5 +++++
default-configs/arc-softmmu.mak | 5 +++++
disas.c | 2 ++
disas/meson.build | 1 +
hw/meson.build | 1 +
include/disas/dis-asm.h | 10 +++++++++-
include/elf.h | 3 +++
include/exec/poison.h | 2 ++
include/sysemu/arch_init.h | 1 +
meson.build | 3 ++-
softmmu/arch_init.c | 2 ++
target/meson.build | 1 +
12 files changed, 34 insertions(+), 2 deletions(-)
create mode 100644 default-configs/arc-softmmu.mak
diff --git a/configure b/configure
index ecc8e90e8b..65862d8371 100755
--- a/configure
+++ b/configure
@@ -7570,6 +7570,9 @@ case "$target_name" in
mttcg="yes"
TARGET_SYSTBL_ABI=common
;;
+ arc)
+ gdb_xml_files="arc-core-v2.xml arc-aux-minimal.xml arc-aux-other.xml"
+ ;;
arm|armeb)
TARGET_ARCH=arm
TARGET_SYSTBL_ABI=common,oabi
@@ -7852,8 +7855,10 @@ DIRS="$DIRS docs docs/interop fsdev scsi"
DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
DIRS="$DIRS roms/seabios"
DIRS="$DIRS contrib/plugins/"
+#DIRS="$DIRS tests/tcg/arc"
LINKS="Makefile"
LINKS="$LINKS tests/tcg/lm32/Makefile"
+#LINKS="$LINKS tests/tcg/arc/Makefile.target"
LINKS="$LINKS tests/tcg/Makefile.target"
LINKS="$LINKS pc-bios/optionrom/Makefile"
LINKS="$LINKS pc-bios/s390-ccw/Makefile"
diff --git a/default-configs/arc-softmmu.mak b/default-configs/arc-softmmu.mak
new file mode 100644
index 0000000000..4300a90c93
--- /dev/null
+++ b/default-configs/arc-softmmu.mak
@@ -0,0 +1,5 @@
+# Default configuration for arc-softmmu
+
+CONFIG_VIRTIO_MMIO=y
+CONFIG_SERIAL=y
+CONFIG_OPENCORES_ETH=y
diff --git a/disas.c b/disas.c
index c1397d3933..41aabbca63 100644
--- a/disas.c
+++ b/disas.c
@@ -671,6 +671,8 @@ void disas(FILE *out, void *code, unsigned long size, const char *note)
print_insn = print_insn_s390;
#elif defined(__hppa__)
print_insn = print_insn_hppa;
+#elif defined(__arc__)
+ print_insn = print_insn_arc;
#endif
if (s.info.cap_arch >= 0 && cap_disas_host(&s.info, code, size, note)) {
diff --git a/disas/meson.build b/disas/meson.build
index bde8280c73..47ff300d0f 100644
--- a/disas/meson.build
+++ b/disas/meson.build
@@ -4,6 +4,7 @@ subdir('libvixl')
common_ss.add(when: 'CONFIG_ALPHA_DIS', if_true: files('alpha.c'))
common_ss.add(when: 'CONFIG_ARM_A64_DIS', if_true: files('arm-a64.cc'))
common_ss.add_all(when: 'CONFIG_ARM_A64_DIS', if_true: libvixl_ss)
+common_ss.add(when: 'CONFIG_ARC_DIS', if_true: files('arc.c'))
common_ss.add(when: 'CONFIG_ARM_DIS', if_true: files('arm.c'))
common_ss.add(when: 'CONFIG_CRIS_DIS', if_true: files('cris.c'))
common_ss.add(when: 'CONFIG_HPPA_DIS', if_true: files('hppa.c'))
diff --git a/hw/meson.build b/hw/meson.build
index 010de7219c..e2b14a9ed8 100644
--- a/hw/meson.build
+++ b/hw/meson.build
@@ -43,6 +43,7 @@ subdir('xen')
subdir('xenpv')
subdir('alpha')
+subdir('arc')
subdir('arm')
subdir('avr')
subdir('cris')
diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
index 9856bf7921..621164c510 100644
--- a/include/disas/dis-asm.h
+++ b/include/disas/dis-asm.h
@@ -206,7 +206,14 @@ enum bfd_architecture
bfd_arch_v850, /* NEC V850 */
#define bfd_mach_v850 0
bfd_arch_arc, /* Argonaut RISC Core */
-#define bfd_mach_arc_base 0
+#define bfd_mach_arc_a4 0
+#define bfd_mach_arc_a5 1
+#define bfd_mach_arc_arc600 2
+#define bfd_mach_arc_arc601 4
+#define bfd_mach_arc_arc700 3
+#define bfd_mach_arc_arcv2 5
+#define bfd_mach_arc_arcv2em 6
+#define bfd_mach_arc_arcv2hs 7
bfd_arch_m32r, /* Mitsubishi M32R/D */
#define bfd_mach_m32r 0 /* backwards compatibility */
bfd_arch_mn10200, /* Matsushita MN10200 */
@@ -460,6 +467,7 @@ int print_insn_xtensa (bfd_vma, disassemble_info*);
int print_insn_riscv32 (bfd_vma, disassemble_info*);
int print_insn_riscv64 (bfd_vma, disassemble_info*);
int print_insn_rx(bfd_vma, disassemble_info *);
+int print_insn_arc (bfd_vma, disassemble_info*);
#if 0
/* Fetch the disassembler for a given BFD, if that support is available. */
diff --git a/include/elf.h b/include/elf.h
index c117a4d1ab..5f6165da37 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -201,6 +201,9 @@ typedef struct mips_elf_abiflags_v0 {
#define EM_TILEGX 191 /* TILE-Gx */
+#define EM_ARC_COMPACT 93 /* Synopsys ARCompact */
+#define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */
+
#define EM_MOXIE 223 /* Moxie processor family */
#define EM_MOXIE_OLD 0xFEED
diff --git a/include/exec/poison.h b/include/exec/poison.h
index 7b9ac361dc..635ccc66a1 100644
--- a/include/exec/poison.h
+++ b/include/exec/poison.h
@@ -9,6 +9,7 @@
#pragma GCC poison TARGET_X86_64
#pragma GCC poison TARGET_AARCH64
#pragma GCC poison TARGET_ALPHA
+#pragma GCC poison TARGET_ARC
#pragma GCC poison TARGET_ARM
#pragma GCC poison TARGET_CRIS
#pragma GCC poison TARGET_HPPA
@@ -70,6 +71,7 @@
#pragma GCC poison CONFIG_ALPHA_DIS
#pragma GCC poison CONFIG_ARM_A64_DIS
+#pragma GCC poison CONFIG_ARC_DIS
#pragma GCC poison CONFIG_ARM_DIS
#pragma GCC poison CONFIG_CRIS_DIS
#pragma GCC poison CONFIG_HPPA_DIS
diff --git a/include/sysemu/arch_init.h b/include/sysemu/arch_init.h
index 54f069d491..5fbedebcb0 100644
--- a/include/sysemu/arch_init.h
+++ b/include/sysemu/arch_init.h
@@ -26,6 +26,7 @@ enum {
QEMU_ARCH_RISCV = (1 << 19),
QEMU_ARCH_RX = (1 << 20),
QEMU_ARCH_AVR = (1 << 21),
+ QEMU_ARCH_ARC = (1 << 22),
QEMU_ARCH_NONE = (1 << 31),
};
diff --git a/meson.build b/meson.build
index 5b586afc38..81f42b7429 100644
--- a/meson.build
+++ b/meson.build
@@ -36,7 +36,7 @@ python = import('python').find_installation()
supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
supported_cpus = ['ppc', 'ppc64', 's390x', 'sparc64', 'riscv32', 'riscv64', 'x86', 'x86_64',
- 'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
+ 'arc', 'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
cpu = host_machine.cpu_family()
targetos = host_machine.system()
@@ -482,6 +482,7 @@ config_target_mak = {}
disassemblers = {
'alpha' : ['CONFIG_ALPHA_DIS'],
+ 'arc' : ['CONFIG_ARC_DIS'],
'arm' : ['CONFIG_ARM_DIS'],
'avr' : ['CONFIG_AVR_DIS'],
'cris' : ['CONFIG_CRIS_DIS'],
diff --git a/softmmu/arch_init.c b/softmmu/arch_init.c
index 7fd5c09b2b..27faed5edd 100644
--- a/softmmu/arch_init.c
+++ b/softmmu/arch_init.c
@@ -92,6 +92,8 @@ int graphic_depth = 32;
#define QEMU_ARCH QEMU_ARCH_XTENSA
#elif defined(TARGET_AVR)
#define QEMU_ARCH QEMU_ARCH_AVR
+#elif defined(TARGET_ARC)
+#define QEMU_ARCH QEMU_ARCH_ARC
#endif
const uint32_t arch_type = QEMU_ARCH;
diff --git a/target/meson.build b/target/meson.build
index 9f0ae93b75..f4a3a6425c 100644
--- a/target/meson.build
+++ b/target/meson.build
@@ -1,4 +1,5 @@
subdir('alpha')
+subdir('arc')
subdir('arm')
subdir('avr')
subdir('cris')
--
2.20.1
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