add el1 transfer at the boot stage in case higher EL is implemented

[lunaix-os.git] / 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 b49d1022cde9a2ebd0c62df3c156a4afbf0eaea6..546a2413a579fa9f78dd77831df5127763b59a76 100644 (file)
--- a/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h
+++ b/lunaix-os/arch/aarch64/includes/asm/aa64_msrs.h
@@ -11,12 +11,18 @@
 #define CurrentEL       __sr_encode(3, 0,  4,  2, 2)
 #define ELR_E1          __sr_encode(3, 0,  4,  0, 1)
 #define SPSel           __sr_encode(3, 0,  4,  2, 0)
+
 #define SPSR_EL1        __sr_encode(3, 0,  4,  0, 0)
+#define SPSR_EL2        __sr_encode(3, 4,  4,  0, 0)
+#define SPSR_EL3        __sr_encode(3, 6,  4,  0, 0)
+
 #define DAIF_EL1        __sr_encode(3, 3,  4,  2, 1)
 #define ALLINT_EL1      __sr_encode(3, 0,  4,  3, 0)
 #define SP_EL0          __sr_encode(3, 0,  4,  1, 0)
 #define SP_EL1          __sr_encode(3, 4,  4,  1, 0)
 
+#define ID_AA64PFR0_EL1          __sr_encode(3, 0,  0,  4, 0)
+
 #ifndef __ASM__
 #define read_sysreg(reg)                                    \
         ({  unsigned long _x;                               \
@@ -41,5 +47,14 @@
 #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 */