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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/csky/abiv2/inc/abi/regdef.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/csky/abiv2/inc/abi/regdef.h')
-rw-r--r--arch/csky/abiv2/inc/abi/regdef.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/csky/abiv2/inc/abi/regdef.h b/arch/csky/abiv2/inc/abi/regdef.h
new file mode 100644
index 000000000..0933addbc
--- /dev/null
+++ b/arch/csky/abiv2/inc/abi/regdef.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASM_CSKY_REGDEF_H
+#define __ASM_CSKY_REGDEF_H
+
+#ifdef __ASSEMBLY__
+#define syscallid r7
+#else
+#define syscallid "r7"
+#endif
+
+#define regs_syscallid(regs) regs->regs[3]
+#define regs_fp(regs) regs->regs[4]
+
+/*
+ * PSR format:
+ * | 31 | 30-24 | 23-16 | 15 14 | 13-10 | 9 | 8-0 |
+ * S VEC TM MM
+ *
+ * S: Super Mode
+ * VEC: Exception Number
+ * TM: Trace Mode
+ * MM: Memory unaligned addr access
+ */
+#define DEFAULT_PSR_VALUE 0x80000200
+
+#define SYSTRACE_SAVENUM 5
+
+#define TRAP0_SIZE 4
+
+#endif /* __ASM_CSKY_REGDEF_H */