From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To: linux-sparse@vger.kernel.org
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
kernel test robot <lkp@intel.com>
Subject: [PATCH] arch: add minimal support for microblaze
Date: Mon, 6 Jul 2020 01:23:02 +0200 [thread overview]
Message-ID: <20200705232302.61646-1-luc.vanoostenryck@gmail.com> (raw)
The Kernel Test Robot reports a problem on microblaze.
The cause is that __MICROBLAZEEL__ is not defined. However, the real
problem is that sparse has no support at all for this architecture.
So, add the minimal support for microblaze.
Link: https://lore.kernel.org/lkml/202007060542.hNfoTcsC%25lkp@intel.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
Makefile | 1 +
machine.h | 1 +
target-microblaze.c | 25 +++++++++++++++++++++++++
target.c | 2 ++
target.h | 1 +
5 files changed, 30 insertions(+)
create mode 100644 target-microblaze.c
diff --git a/Makefile b/Makefile
index a292e42aabf3..0b62e2094249 100644
--- a/Makefile
+++ b/Makefile
@@ -72,6 +72,7 @@ LIB_OBJS += target-arm64.o
LIB_OBJS += target-bfin.o
LIB_OBJS += target-default.o
LIB_OBJS += target-m68k.o
+LIB_OBJS += target-microblaze.o
LIB_OBJS += target-mips.o
LIB_OBJS += target-nios2.o
LIB_OBJS += target-ppc.o
diff --git a/machine.h b/machine.h
index 02a7f90e5362..7407e71627e1 100644
--- a/machine.h
+++ b/machine.h
@@ -35,6 +35,7 @@ enum machine {
MACH_ALPHA,
MACH_BFIN,
MACH_M68K,
+ MACH_MICROBLAZE,
MACH_NIOS2,
MACH_UNKNOWN
};
diff --git a/target-microblaze.c b/target-microblaze.c
new file mode 100644
index 000000000000..1fbeef3c168d
--- /dev/null
+++ b/target-microblaze.c
@@ -0,0 +1,25 @@
+#include "symbol.h"
+#include "target.h"
+#include "machine.h"
+
+
+static void predefine_microblaze(const struct target *self)
+{
+ predefine("__MICROBLAZE__", 1, "1");
+ predefine("__microblaze__", 1, "1");
+
+ if (arch_big_endian)
+ predefine("__MICROBLAZEEB__", 1, "1");
+ else
+ predefine("__MICROBLAZEEL__", 1, "1");
+}
+
+const struct target target_microblaze = {
+ .mach = MACH_MICROBLAZE,
+ .bitness = ARCH_LP32,
+ .big_endian = true,
+
+ .bits_in_longdouble = 64,
+
+ .predefine = predefine_microblaze,
+};
diff --git a/target.c b/target.c
index 07c298128da4..6776c3a1cbb0 100644
--- a/target.c
+++ b/target.c
@@ -63,6 +63,7 @@ static const struct target *targets[] = {
[MACH_I386] = &target_i386,
[MACH_BFIN] = &target_bfin,
[MACH_X86_64] = &target_x86_64,
+ [MACH_MICROBLAZE] = &target_microblaze,
[MACH_MIPS32] = &target_mips32,
[MACH_MIPS64] = &target_mips64,
[MACH_NIOS2] = &target_nios2,
@@ -93,6 +94,7 @@ enum machine target_parse(const char *name)
{ "i386", MACH_I386, 32, },
{ "bfin", MACH_BFIN, 32, },
{ "m68k", MACH_M68K, 32, },
+ { "microblaze", MACH_MICROBLAZE,32, },
{ "mips", MACH_MIPS32, 0, },
{ "nios2", MACH_NIOS2, 32, },
{ "powerpc", MACH_PPC32, 0, },
diff --git a/target.h b/target.h
index 3ef0d520f83c..8f79426c096a 100644
--- a/target.h
+++ b/target.h
@@ -86,6 +86,7 @@ extern const struct target target_arm;
extern const struct target target_arm64;
extern const struct target target_bfin;
extern const struct target target_m68k;
+extern const struct target target_microblaze;
extern const struct target target_mips32;
extern const struct target target_mips64;
extern const struct target target_nios2;
--
2.27.0
reply other threads:[~2020-07-05 23:23 UTC|newest]
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