disas: Enable capstone disassembly for s390x

Enable s390x, aka SYSZ, in the git submodule build.
Set the capstone parameters for both s390x host and guest.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/disas.c b/disas.c
index 9dfbeed..7c18d7d 100644 (file)
--- a/disas.c
+++ b/disas.c
@@ -203,6 +203,9 @@ static void initialize_debug_host(CPUDebug *s)
     s->info.print_insn = print_insn_m68k;
 #elif defined(__s390__)
     s->info.print_insn = print_insn_s390;
+    s->info.cap_arch = CS_ARCH_SYSZ;
+    s->info.cap_insn_unit = 2;
+    s->info.cap_insn_split = 6;
 #elif defined(__hppa__)
     s->info.print_insn = print_insn_hppa;
 #endif

diff --git a/meson.build b/meson.build
index bb13fcf..0a66aea 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -795,6 +795,17 @@ if capstone_opt == 'internal'
     )
   endif
 
+  if 'CONFIG_S390_DIS' in config_all_disas
+    capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
+    capstone_files += files(
+      'capstone/arch/SystemZ/SystemZDisassembler.c',
+      'capstone/arch/SystemZ/SystemZInstPrinter.c',
+      'capstone/arch/SystemZ/SystemZMapping.c',
+      'capstone/arch/SystemZ/SystemZModule.c',
+      'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
+    )
+  endif
+
   if 'CONFIG_I386_DIS' in config_all_disas
     capstone_data.set('CAPSTONE_HAS_X86', 1)
     capstone_files += files(

diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 9cbd937..66f5942 100644 (file)
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -44,6 +44,7 @@
 #include "sysemu/tcg.h"
 #endif
 #include "fpu/softfloat-helpers.h"
+#include "disas/capstone.h"
 
 #define CR0_RESET       0xE0UL
 #define CR14_RESET      0xC2000000UL;
@@ -182,6 +183,9 @@ static void s390_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
 {
     info->mach = bfd_mach_s390_64;
     info->print_insn = print_insn_s390;
+    info->cap_arch = CS_ARCH_SYSZ;
+    info->cap_insn_unit = 2;
+    info->cap_insn_split = 6;
 }
 
 static void s390_cpu_realizefn(DeviceState *dev, Error **errp)