#include <stdio.h>
#include <sys/param.h>
#include <sys/file.h>
+#include "sbcl.h"
#include "./signal.h"
#include "os.h"
#include "arch.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/sysinfo.h> */
#include <sys/time.h>
#include <sys/stat.h>
#include <unistd.h>
#include "validate.h"
size_t os_vm_page_size;
-#if defined GENCGC /* unlikely ... */
-#include "gencgc.h"
+#ifdef LISP_FEATURE_SB_THREAD
+#error "Define threading support functions"
+#else
+int arch_os_thread_init(struct thread *thread) {
+ return 1; /* success */
+}
+int arch_os_thread_cleanup(struct thread *thread) {
+ return 1; /* success */
+}
#endif
os_context_register_t *
os_context_register_addr(os_context_t *context, int offset)
{
- /* printf("Offset: %d,", offset);
- printf("Context: %p\n", context);
- printf("PC: %x,", context->si_regs.pc);
- printf("NPC: %x\n", context->si_regs.npc); */
- if (offset == 0) {
- static int zero;
- zero = 0;
- /* printf("Returning: %p pointing to %p\n", &zero, zero); */
- return &zero;
- } else if (offset < 16) {
- /* printf("Returning: %p pointing to %p\n", &context->si_regs.u_regs[offset], context->si_regs.u_regs[offset]); */
- return &context->si_regs.u_regs[offset];
- } else if (offset < 32) {
- int *sp = (int*) context->si_regs.u_regs[14]; /* Stack Pointer ?? */
- /* printf("SP: %p\n", sp);
- printf("Returning: %p pointing to %p\n", &(sp[offset-16]), sp[offset-16]); */
- return &(sp[offset-16]);
- } else
- return 0;
+ if (offset == 0) {
+ static int zero;
+ zero = 0;
+ return &zero;
+ } else if (offset < 16) {
+ return &context->si_regs.u_regs[offset];
+ } else if (offset < 32) {
+ int *sp = (int*) context->si_regs.u_regs[14]; /* Stack Pointer */
+ return &(sp[offset-16]);
+ } else
+ return 0;
}
os_context_register_t *
os_context_pc_addr(os_context_t *context)
{
- return &(context->si_regs.pc);
+ return &(context->si_regs.pc);
}
os_context_register_t *
os_context_npc_addr(os_context_t *context)
{
- return &(context->si_regs.npc);
+ return &(context->si_regs.npc);
}
sigset_t *
os_context_sigmask_addr(os_context_t *context)
{
- return &(context->si_mask);
+ return &(context->si_mask);
+}
+
+void
+os_restore_fp_control(os_context_t *context)
+{
+ /* Included here, for reference, is an attempt at the PPC
+ variant. If it weren't the case that SPARC/Linux gave a Bus
+ Error on floating point exceptions, something like this would
+ have to be done. -- CSR, 2002-07-13
+
+ asm ("msfsf $255, %0" : : "m"
+ (os_context_fp_control(context) &
+ ~ (FLOAT_STICKY_BITS_MASK | FLOAT_EXCEPTIONS_BYTE_MASK)));
+ */
}
-void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
+void
+os_flush_icache(os_vm_address_t address, os_vm_size_t length)
{
- /* FIXME. There's a bit of stuff in the CMUCL version. It may or
- may not be needed */
+ /* This is the same for linux and solaris, so see sparc-assem.S */
+ sparc_flush_icache(address,length);
}