Module: xenomai-2.5
Branch: master
Commit: e042dc8d69df9e348deb2302f15d62da413f83bf
URL:    
http://git.xenomai.org/?p=xenomai-2.5.git;a=commit;h=e042dc8d69df9e348deb2302f15d62da413f83bf

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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