Module: xenomai-jki
Branch: queues/assorted
Commit: 1eb49063b184f62cc405b1aee04f8b9563a804f6
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=1eb49063b184f62cc405b1aee04f8b9563a804f6
Author: Jan Kiszka <jan.kis...@siemens.com>
Date: Fri Mar 5 18:27:07 2010 +0100
Add __xn_linux_mux_p for Linux syscall demultiplexing
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
include/asm-arm/syscall.h | 8 ++++++--
include/asm-blackfin/syscall.h | 2 ++
include/asm-nios2/syscall.h | 2 ++
include/asm-powerpc/syscall.h | 2 ++
include/asm-x86/syscall.h | 1 +
5 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/include/asm-arm/syscall.h b/include/asm-arm/syscall.h
index fb512b4..39311d5 100644
--- a/include/asm-arm/syscall.h
+++ b/include/asm-arm/syscall.h
@@ -55,9 +55,13 @@
#ifdef CONFIG_OABI_COMPAT
#define __xn_reg_mux_p(regs) ( ((regs)->ARM_r7 == __NR_OABI_SYSCALL_BASE +
XENO_ARM_SYSCALL) || \
((regs)->ARM_r7 == __NR_SYSCALL_BASE +
XENO_ARM_SYSCALL) )
-#else
+#define __xn_linux_mux_p(regs, nr) \
+ ( ((regs)->ARM_r7 == __NR_OABI_SYSCALL_BASE +
(nr)) || \
+ ((regs)->ARM_r7 == __NR_SYSCALL_BASE + (nr)) )
+#else /* !CONFIG_OABI_COMPAT */
#define __xn_reg_mux_p(regs) ((regs)->ARM_r7 == __NR_SYSCALL_BASE +
XENO_ARM_SYSCALL)
-#endif
+#define __xn_linux_mux_p(regs, nr) ((regs)->ARM_r7 == __NR_SYSCALL_BASE + (nr))
+#endif /* !CONFIG_OABI_COMPAT */
#define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
#define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
diff --git a/include/asm-blackfin/syscall.h b/include/asm-blackfin/syscall.h
index 9f90611..9420dc8 100644
--- a/include/asm-blackfin/syscall.h
+++ b/include/asm-blackfin/syscall.h
@@ -55,6 +55,8 @@
#define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
#define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
+#define __xn_linux_mux_p(regs, nr) (__xn_reg_mux(regs) == (nr))
+
/* Purposedly used inlines and not macros for the following routines
so that we don't risk spurious side-effects on the value arg. */
diff --git a/include/asm-nios2/syscall.h b/include/asm-nios2/syscall.h
index 6dd81cb..8fd53dc 100644
--- a/include/asm-nios2/syscall.h
+++ b/include/asm-nios2/syscall.h
@@ -48,6 +48,8 @@
#define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
#define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
+#define __xn_linux_mux_p(regs, nr) (__xn_reg_mux(regs) == (nr))
+
/*
* Purposedly used inlines and not macros for the following routines
* so that we don't risk spurious side-effects on the value arg.
diff --git a/include/asm-powerpc/syscall.h b/include/asm-powerpc/syscall.h
index 6db8667..99cb9ad 100644
--- a/include/asm-powerpc/syscall.h
+++ b/include/asm-powerpc/syscall.h
@@ -49,6 +49,8 @@
#define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
#define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
+#define __xn_linux_mux_p(regs, nr) (__xn_reg_mux(regs) == (nr))
+
/* Purposedly used inlines and not macros for the following routines
so that we don't risk spurious side-effects on the value arg. */
diff --git a/include/asm-x86/syscall.h b/include/asm-x86/syscall.h
index f77fd55..36dcd59 100644
--- a/include/asm-x86/syscall.h
+++ b/include/asm-x86/syscall.h
@@ -77,6 +77,7 @@ struct frame {
#define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
#define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
+#define __xn_linux_mux_p(regs, nr) (__xn_reg_mux(regs) == (nr))
/* Purposedly used inlines and not macros for the following routines
so that we don't risk spurious side-effects on the value arg. */
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