libmach: initial arm64 support

1 files changed, 80 insertions, 0 deletions

diff --git a/sys/src/libmach/7.c b/sys/src/libmach/7.c
new file mode 100644
index 000000000..4d176ffe3
--- /dev/null
+++ b/sys/src/libmach/7.c
@@ -0,0 +1,80 @@
+/*
+ * arm definition
+ */
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include <mach.h>
+
+#include "/arm64/include/ureg.h"
+
+#define	REGOFF(x)	(uintptr)(&((struct Ureg *) 0)->x)
+
+#define SP		REGOFF(sp)
+#define PC		REGOFF(pc)
+
+#define	REGSIZE		sizeof(struct Ureg)
+
+Reglist arm64reglist[] =
+{
+	{"TYPE",	REGOFF(type),		RINT|RRDONLY, 'Y'},
+	{"PSR",		REGOFF(psr),		RINT|RRDONLY, 'Y'},
+	{"PC",		PC,			RINT, 'Y'},
+	{"SP",		SP,			RINT, 'Y'},
+	{"R30",		REGOFF(r30),		RINT, 'Y'},
+	{"R29",		REGOFF(r29),		RINT, 'Y'},
+	{"R28",		REGOFF(r28),		RINT, 'Y'},
+	{"R27",		REGOFF(r27),		RINT, 'Y'},
+	{"R26",		REGOFF(r26),		RINT, 'Y'},
+	{"R25",		REGOFF(r25),		RINT, 'Y'},
+	{"R24",		REGOFF(r24),		RINT, 'Y'},
+	{"R23",		REGOFF(r23),		RINT, 'Y'},
+	{"R22",		REGOFF(r22),		RINT, 'Y'},
+	{"R21",		REGOFF(r21),		RINT, 'Y'},
+	{"R20",		REGOFF(r20),		RINT, 'Y'},
+	{"R19",		REGOFF(r19),		RINT, 'Y'},
+	{"R18",		REGOFF(r18),		RINT, 'Y'},
+	{"R17",		REGOFF(r17),		RINT, 'Y'},
+	{"R16",		REGOFF(r16),		RINT, 'Y'},
+	{"R15",		REGOFF(r15),		RINT, 'Y'},
+	{"R14",		REGOFF(r14),		RINT, 'Y'},
+	{"R13",		REGOFF(r13),		RINT, 'Y'},
+	{"R12",		REGOFF(r12),		RINT, 'Y'},
+	{"R11",		REGOFF(r11),		RINT, 'Y'},
+	{"R10",		REGOFF(r10),		RINT, 'Y'},
+	{"R9",		REGOFF(r9),		RINT, 'Y'},
+	{"R8",		REGOFF(r8),		RINT, 'Y'},
+	{"R7",		REGOFF(r7),		RINT, 'Y'},
+	{"R6",		REGOFF(r6),		RINT, 'Y'},
+	{"R5",		REGOFF(r5),		RINT, 'Y'},
+	{"R4",		REGOFF(r4),		RINT, 'Y'},
+	{"R3",		REGOFF(r3),		RINT, 'Y'},
+	{"R2",		REGOFF(r2),		RINT, 'Y'},
+	{"R1",		REGOFF(r1),		RINT, 'Y'},
+	{"R0",		REGOFF(r0),		RINT, 'Y'},
+	{  0 }
+};
+
+	/* the machine description */
+Mach marm64 =
+{
+	"arm64",
+	MARM64,		/* machine type */
+	arm64reglist,	/* register set */
+	REGSIZE,	/* register set size */
+	0,		/* fp register set size */
+	"PC",		/* name of PC */
+	"SP",		/* name of SP */
+	"R30",		/* name of link register */
+	"setSB",	/* static base register name */
+	0,		/* static base register value */
+	0x10000,	/* page size (for segment alignment) */
+	0xFFFFFFFF80000000ULL,	/* kernel base */
+	0xFFFF800000000000ULL,	/* kernel text mask */
+	0x00007FFFFFFF0000ULL,	/* user stack top */
+	4,		/* quantization of pc */
+	8,		/* szaddr */
+	8,		/* szreg */
+	4,		/* szfloat */
+	8,		/* szdouble */
+};