layout boot-stage framework for aa64

[lunaix-os.git] / lunaix-os / arch / aarch64 / includes / sys / msrs.h

diff --git a/lunaix-os/arch/aarch64/includes/sys/msrs.h b/lunaix-os/arch/aarch64/includes/sys/msrs.h
new file mode 100644 (file)
index 0000000..cd8978d
--- /dev/null
+++ b/lunaix-os/arch/aarch64/includes/sys/msrs.h
@@ -0,0 +1,77 @@
+#ifndef __LUNAIX_AA64_MSRS_H
+#define __LUNAIX_AA64_MSRS_H
+
+#include <lunaix/compiler.h>
+
+#define __sr_encode(op0, op1, crn, crm, op2)    \
+            s##op0##_##op1##_c##crn##_c##crm##_##op2
+
+#define SCTLR_EL1       __sr_encode(3, 0,  1,  0, 0)
+#define TCR_EL1         __sr_encode(3, 0,  2,  0, 2)
+#define TTBR0_EL1       __sr_encode(3, 0,  2,  0, 0)
+#define TTBR1_EL1       __sr_encode(3, 0,  2,  0, 1)
+#define VBAR_EL1        __sr_encode(3, 0, 12,  0, 1)
+#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 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 read_sysreg(reg)                                    \
+        ({  unsigned long _x;                               \
+            asm ("mrs %0, " stringify(reg):"=r"(_x));       \
+            _x;                                             \
+        })
+
+#define set_sysreg(reg, v)                                  \
+        ({  unsigned long _x = v;                           \
+            asm ("msr " stringify(reg) ", %0"::"r"(_x));    \
+            _x;                                             \
+        })
+
+#define SCTRL_SPINTMASK     (1UL << 62)
+#define SCTRL_NMI           (1UL << 61)
+#define SCTRL_EE            (1UL << 25)
+#define SCTRL_E0E           (1UL << 24)
+#define SCTRL_WXN           (1UL << 19)
+#define SCTRL_nAA           (1UL << 6)
+#define SCTRL_SA0           (1UL << 4)
+#define SCTRL_SA            (1UL << 3)
+#define SCTRL_A             (1UL << 1)
+#define SCTRL_M             (1UL << 0)
+
+#define TCR_DS              (1UL << 59)
+#define TCR_E0PD1           (1UL << 56)
+#define TCR_E0PD0           (1UL << 55)
+#define TCR_TBID1           (1UL << 52)
+#define TCR_TBID0           (1UL << 51)
+#define TCR_HPD1            (1UL << 42)
+#define TCR_HPD0            (1UL << 41)
+#define TCR_HD              (1UL << 40)
+#define TCR_HA              (1UL << 39)
+#define TCR_TBI1            (1UL << 38)
+#define TCR_TBI0            (1UL << 37)
+#define TCR_AS              (1UL << 36)
+
+#define TCR_G4K             (0b01)
+#define TCR_G16K            (0b10)
+#define TCR_G64K            (0b11)
+
+#define TCR_SHNS            (0b01)
+#define TCR_SHOS            (0b10)
+#define TCR_SHIS            (0b11)
+
+#define TCR_TG1(g)          (((g) & 0b11) << 30)
+#define TCR_TG0(g)          (((g) & 0b11) << 14)
+
+#define TCR_T1SZ(sz)        (((sz) & 0b111111) << 16)
+#define TCR_T0SZ(sz)        (((sz) & 0b111111))
+
+#define TCR_EPD1            (1UL << 23)
+#define TCR_EPD0            (1UL << 7)
+#define TCR_A1              (1UL << 22)
+
+#endif /* __LUNAIX_AA64_MSRS_H */