X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/1b6767d3a861f9367fbb99f3a4302eea9fe65f4f..c50ef1526a29f29b65cf353a590ea36b9d2e963a:/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h

diff --git a/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h b/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h
index d15b11e..f1da5f2 100644
--- a/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h
+++ b/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h
@@ -17,6 +17,7 @@
 #define SP_EL0          __sr_encode(3, 0,  4,  1, 0)
 #define SP_EL1          __sr_encode(3, 4,  4,  1, 0)
 
+#ifndef __ASM__
 #define read_sysreg(reg)                                    \
         ({  unsigned long _x;                               \
             asm ("mrs %0, " stringify(reg):"=r"(_x));       \
@@ -40,5 +41,14 @@
 #define SCTRL_A             (1UL << 1)
 #define SCTRL_M             (1UL << 0)
 
+#define sysreg_flagging(reg, set, unset)                    \
+        ({                                                  \
+            unsigned long _x;                               \
+            _x = read_sysreg(reg);                          \
+            _x = (_x & ~(unset)) | (set);                   \
+            set_sysreg(reg, _x);                            \
+            _x;                                             \
+        })
 
+#endif
 #endif /* __LUNAIX_AA64_MSRS_H */