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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/mips/include/asm/regdef.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/regdef.h')
-rw-r--r--arch/mips/include/asm/regdef.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h
new file mode 100644
index 000000000..3c687df1d
--- /dev/null
+++ b/arch/mips/include/asm/regdef.h
@@ -0,0 +1,106 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1985 MIPS Computer Systems, Inc.
+ * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
+ * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2011 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ */
+#ifndef _ASM_REGDEF_H
+#define _ASM_REGDEF_H
+
+#include <asm/sgidefs.h>
+
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+
+/*
+ * Symbolic register names for 32 bit ABI
+ */
+#define zero $0 /* wired zero */
+#define AT $1 /* assembler temp - uppercase because of ".set at" */
+#define v0 $2 /* return value */
+#define v1 $3
+#define a0 $4 /* argument registers */
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#define t0 $8 /* caller saved */
+#define t1 $9
+#define t2 $10
+#define t3 $11
+#define t4 $12
+#define ta0 $12
+#define t5 $13
+#define ta1 $13
+#define t6 $14
+#define ta2 $14
+#define t7 $15
+#define ta3 $15
+#define s0 $16 /* callee saved */
+#define s1 $17
+#define s2 $18
+#define s3 $19
+#define s4 $20
+#define s5 $21
+#define s6 $22
+#define s7 $23
+#define t8 $24 /* caller saved */
+#define t9 $25
+#define jp $25 /* PIC jump register */
+#define k0 $26 /* kernel scratch */
+#define k1 $27
+#define gp $28 /* global pointer */
+#define sp $29 /* stack pointer */
+#define fp $30 /* frame pointer */
+#define s8 $30 /* same like fp! */
+#define ra $31 /* return address */
+
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
+
+#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
+
+#define zero $0 /* wired zero */
+#define AT $at /* assembler temp - uppercase because of ".set at" */
+#define v0 $2 /* return value - caller saved */
+#define v1 $3
+#define a0 $4 /* argument registers */
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
+#define ta0 $8
+#define a5 $9
+#define ta1 $9
+#define a6 $10
+#define ta2 $10
+#define a7 $11
+#define ta3 $11
+#define t0 $12 /* caller saved */
+#define t1 $13
+#define t2 $14
+#define t3 $15
+#define s0 $16 /* callee saved */
+#define s1 $17
+#define s2 $18
+#define s3 $19
+#define s4 $20
+#define s5 $21
+#define s6 $22
+#define s7 $23
+#define t8 $24 /* caller saved */
+#define t9 $25 /* callee address for PIC/temp */
+#define jp $25 /* PIC jump register */
+#define k0 $26 /* kernel temporary */
+#define k1 $27
+#define gp $28 /* global pointer - caller saved for PIC */
+#define sp $29 /* stack pointer */
+#define fp $30 /* frame pointer */
+#define s8 $30 /* callee saved */
+#define ra $31 /* return address */
+
+#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
+
+#endif /* _ASM_REGDEF_H */