init commit

arch/generic/arch.mak

@@ -0,0 +1,3 @@
+# Generic architecture flags — override per port
+ARCH_CFLAGS :=
+ARCH_LDFLAGS :=

arch/generic/bits/alltypes.h.in

@@ -0,0 +1,7 @@
+/* Generic type sizes — override per arch if different */
+TYPEDEF int            ptrdiff_t;
+TYPEDEF unsigned long  size_t;
+TYPEDEF long           ssize_t;
+TYPEDEF unsigned long  uintptr_t;
+TYPEDEF long           intptr_t;
+TYPEDEF int            wchar_t;

arch/generic/kcall.h

@@ -0,0 +1,30 @@
+#ifndef _ELIBC_KCALL_H
+#define _ELIBC_KCALL_H
+
+/* Elyz kernel-call abstraction.
+ *
+ * Elyz has NO syscall instruction.  Communication with the kernel and PM
+ * actors happens through capability invocation — a mechanism defined by the
+ * kernel ABI (not finalised yet).  This header describes the abstract
+ * interface; the arch-specific implementation (arch/<arch>/kcall.h) fills in
+ * the concrete mechanism.
+ *
+ * Current state: STUB — returns -ENOSYS until the Elyz kernel ABI is
+ * stabilised.
+ */
+
+#define ELYZ_OP_ALLOCATE   1
+#define ELYZ_OP_FREE       2
+#define ELYZ_OP_CARVE      3
+#define ELYZ_OP_EXIT       4
+
+struct elyz_kcall {
+    unsigned long opcode;
+    unsigned long arg1;
+    unsigned long arg2;
+    unsigned short channel_id;
+};
+
+long __kcall(struct elyz_kcall *msg);
+
+#endif

arch/generic/startup_info.h

@@ -0,0 +1,22 @@
+#ifndef _ELIBC_STARTUP_INFO_H
+#define _ELIBC_STARTUP_INFO_H
+
+/* Process-startup information block.
+ *
+ * The Elyz loader passes an opaque structure to every new process.
+ * Layout and content are arch-defined (see arch/<arch>/startup_info.h).
+ * At minimum the process receives:
+ *   - an initial memory pool (capability / region)
+ *   - argc / argv from the parent
+ *   - a capability-wallet (CNode) root
+ */
+
+struct elyz_startup {
+    unsigned long initial_cnode_cap;
+    unsigned long initial_pool_addr;
+    unsigned long initial_pool_size;
+    int           argc;
+    char        **argv;
+};
+
+#endif