2 * This is the SPARC Linux incarnation of arch-dependent OS-dependent
3 * routines. See also "linux-os.c".
7 * This software is part of the SBCL system. See the README file for
10 * This software is derived from the CMU CL system, which was
11 * written at Carnegie Mellon University and released into the
12 * public domain. The software is in the public domain and is
13 * provided with absolutely no warranty. See the COPYING and CREDITS
14 * files for more information.
18 #include <sys/param.h>
24 #include "interrupt.h"
28 #include <sys/socket.h>
29 #include <sys/utsname.h>
31 #include <sys/types.h>
33 /* #include <sys/sysinfo.h> */
39 size_t os_vm_page_size;
41 #if defined GENCGC /* unlikely ... */
45 os_context_register_t *
46 os_context_register_addr(os_context_t *context, int offset)
48 /* printf("Offset: %d,", offset);
49 printf("Context: %p\n", context);
50 printf("PC: %x,", context->si_regs.pc);
51 printf("NPC: %x\n", context->si_regs.npc); */
55 /* printf("Returning: %p pointing to %p\n", &zero, zero); */
57 } else if (offset < 16) {
58 /* printf("Returning: %p pointing to %p\n", &context->si_regs.u_regs[offset], context->si_regs.u_regs[offset]); */
59 return &context->si_regs.u_regs[offset];
60 } else if (offset < 32) {
61 int *sp = (int*) context->si_regs.u_regs[14]; /* Stack Pointer ?? */
62 /* printf("SP: %p\n", sp);
63 printf("Returning: %p pointing to %p\n", &(sp[offset-16]), sp[offset-16]); */
64 return &(sp[offset-16]);
69 os_context_register_t *
70 os_context_pc_addr(os_context_t *context)
72 return &(context->si_regs.pc);
75 os_context_register_t *
76 os_context_npc_addr(os_context_t *context)
78 return &(context->si_regs.npc);
82 os_context_sigmask_addr(os_context_t *context)
84 return &(context->si_mask);
87 void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
89 /* FIXME. There's a bit of stuff in the CMUCL version. It may or