arm64: sysreg: add debug system registers

This patch adds sysreg definitions for system registers in the debug and
trace system register encoding space. Subsequent patches will make use
of these definitions.

The encodings were taken from ARM DDI 0487A.k_iss10775, Table C5-5.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Will Deacon <will.deacon@arm.com>

arch/arm64/include/asm/sysreg.h

@@ -89,6 +89,29 @@
 #define SET_PSTATE_UAO(x) __emit_inst(0xd5000000 | REG_PSTATE_UAO_IMM |	\
 				      (!!x)<<8 | 0x1f)
 
+#define SYS_OSDTRRX_EL1			sys_reg(2, 0, 0, 0, 2)
+#define SYS_MDCCINT_EL1			sys_reg(2, 0, 0, 2, 0)
+#define SYS_MDSCR_EL1			sys_reg(2, 0, 0, 2, 2)
+#define SYS_OSDTRTX_EL1			sys_reg(2, 0, 0, 3, 2)
+#define SYS_OSECCR_EL1			sys_reg(2, 0, 0, 6, 2)
+#define SYS_DBGBVRn_EL1(n)		sys_reg(2, 0, 0, n, 4)
+#define SYS_DBGBCRn_EL1(n)		sys_reg(2, 0, 0, n, 5)
+#define SYS_DBGWVRn_EL1(n)		sys_reg(2, 0, 0, n, 6)
+#define SYS_DBGWCRn_EL1(n)		sys_reg(2, 0, 0, n, 7)
+#define SYS_MDRAR_EL1			sys_reg(2, 0, 1, 0, 0)
+#define SYS_OSLAR_EL1			sys_reg(2, 0, 1, 0, 4)
+#define SYS_OSLSR_EL1			sys_reg(2, 0, 1, 1, 4)
+#define SYS_OSDLR_EL1			sys_reg(2, 0, 1, 3, 4)
+#define SYS_DBGPRCR_EL1			sys_reg(2, 0, 1, 4, 4)
+#define SYS_DBGCLAIMSET_EL1		sys_reg(2, 0, 7, 8, 6)
+#define SYS_DBGCLAIMCLR_EL1		sys_reg(2, 0, 7, 9, 6)
+#define SYS_DBGAUTHSTATUS_EL1		sys_reg(2, 0, 7, 14, 6)
+#define SYS_MDCCSR_EL0			sys_reg(2, 3, 0, 1, 0)
+#define SYS_DBGDTR_EL0			sys_reg(2, 3, 0, 4, 0)
+#define SYS_DBGDTRRX_EL0		sys_reg(2, 3, 0, 5, 0)
+#define SYS_DBGDTRTX_EL0		sys_reg(2, 3, 0, 5, 0)
+#define SYS_DBGVCR32_EL2		sys_reg(2, 4, 0, 7, 0)
+
 #define SYS_MIDR_EL1			sys_reg(3, 0, 0, 0, 0)
 #define SYS_MPIDR_EL1			sys_reg(3, 0, 0, 0, 5)
 #define SYS_REVIDR_EL1			sys_reg(3, 0, 0, 0, 6)