0.7.4.18: Fixing Alpha fixes

[sbcl.git] / src / runtime / alpha-osf1-os.c

diff --git a/src/runtime/alpha-osf1-os.c b/src/runtime/alpha-osf1-os.c
new file mode 100644 (file)
index 0000000..8610500
--- /dev/null
+++ b/src/runtime/alpha-osf1-os.c
@@ -0,0 +1,89 @@
+/*
+ * This is the Compaq/Digital Alpha Linux incarnation of
+ * arch-dependent OS-dependent routines. See also "linux-os.c".  */
+
+/*
+ * This software is part of the SBCL system. See the README file for
+ * more information.
+ *
+ * This software is derived from the CMU CL system, which was
+ * written at Carnegie Mellon University and released into the
+ * public domain. The software is in the public domain and is
+ * provided with absolutely no warranty. See the COPYING and CREDITS
+ * files for more information.
+ */
+
+/* Some of these header files may be redundant. -- Dan Barlow
+ * ca. 2001-05-01 */
+
+#include <stdio.h>
+#include <sys/param.h>
+#include <sys/file.h>
+#include "./signal.h"
+#include "os.h"
+#include "arch.h"
+#include "globals.h"
+#include "interrupt.h"
+#include "interr.h"
+#include "lispregs.h"
+#include "sbcl.h"
+#include <sys/socket.h>
+#include <sys/utsname.h>
+
+#include <sys/types.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <c_asm.h>
+#include <ucontext.h>
+
+#include "validate.h"
+size_t os_vm_page_size;
+
+#if defined GENCGC             /* unlikely ... */
+#error SBCL Alpha does not work with the GENCGC
+#include "gencgc.h"
+#endif
+
+os_context_register_t   *
+os_context_register_addr(os_context_t *context, int offset)
+{
+    return &context->uc_mcontext.sc_regs[offset];
+}
+
+os_context_register_t *
+os_context_float_register_addr(os_context_t *context, int offset)
+{
+    return &context->uc_mcontext.sc_fpregs[offset];
+}
+
+os_context_register_t *
+os_context_pc_addr(os_context_t *context)
+{
+    return &((context->uc_mcontext).sc_pc);
+}
+
+sigset_t *
+os_context_sigmask_addr(os_context_t *context)
+{
+    return &context->uc_sigmask;
+}
+
+unsigned long
+os_context_fp_control(os_context_t *context)
+{
+    return 0; /* FIXME */
+    /* ieee_fpcr_to_swcr((context->uc_mcontext).sc_fpcr); */
+}
+
+
+void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
+{
+#ifdef __GNUC__
+    asm volatile ("imb" : : : "memory" ); 
+#else
+    /* digital CC has different syntax */
+    asm("imb");
+#endif
+}