cpu-68hc11: add cpu definition

diff --git a/Kernel/cpu-68hc11/cpu.h b/Kernel/cpu-68hc11/cpu.h
new file mode 100644 (file)
index 0000000..15328ae
--- /dev/null
+++ b/Kernel/cpu-68hc11/cpu.h
@@ -0,0 +1,69 @@
+typedef unsigned long uint32_t;
+typedef signed long int32_t;
+typedef unsigned short uint16_t;
+typedef signed short int16_t;
+typedef unsigned char uint8_t;
+typedef signed char int8_t;
+typedef signed int size_t;
+
+typedef uint8_t irqflags_t;
+
+typedef int16_t arg_t;
+typedef uint16_t uarg_t;               /* Holds arguments */
+typedef uint16_t usize_t;              /* Largest value passed by userspace */
+typedef int16_t susize_t;
+typedef uint16_t uaddr_t;              /* A user address must fit this */
+typedef uint16_t uptr_t;               /* User pointer equivalent */
+
+#define uputp  uputw                   /* Copy user pointer type */
+#define ugetp  ugetw                   /* between user and kernel */
+
+extern void ei(void);
+extern irqflags_t di(void);
+extern void irqrestore(irqflags_t f);
+
+#define EMAGIC    0x7E    /* Header of executable  (JMP) */
+#define EMAGIC_2  0x20    /* BRA */
+/* Allow a minimum of 512 bytes gap between stack and top of allocations */
+#define brk_limit() (udata.u_syscall_sp - 512)
+
+extern void *memcpy(void *, const void *, size_t);
+extern void *memset(void *, int, size_t);
+extern size_t strlen(const char *);
+extern uint16_t swab(uint16_t);
+
+/* 680x wins on this one! */
+#define        ntohs(x)        (x)
+#define ntohl(x)       (x)
+
+/* 68HC11 doesn't benefit from making a few key variables in
+   non-reentrant functions static - FIXME, evaluate this carefully esp
+   wrt zero page  */
+#define staticfast     auto
+
+/* User's structure for times() system call */
+typedef unsigned long clock_t;
+
+typedef struct {
+   uint32_t high;         /* FIXME: check this matches long long */
+   uint32_t low;
+} time_t;
+
+typedef union {            /* this structure is endian dependent */
+    clock_t  full;         /* 32-bit count of ticks since boot */
+    struct {
+      uint16_t high;
+      uint16_t low;         /* 16-bit count of ticks since boot */
+    } h;
+} ticks_t;
+
+
+#define cpu_to_le16(x) swab(x)
+#define le16_to_cpu(x) swab(x)
+#define cpu_to_le32(x) ((((uint32_t)cpu_to_le16((x) & 0xFFFF)) << 16) | \
+                               (uint32_t)cpu_to_le16((x) >> 16))
+#define le32_to_cpu(x) cpu_to_le32(x)
+
+/* Sane behaviour for unused parameters */
+#define used(x)
+