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>
39 #ifdef LISP_FEATURE_SB_THREAD
40 #error "Define threading support functions"
42 int arch_os_thread_init(struct thread *thread) {
43 return 1; /* success */
45 int arch_os_thread_cleanup(struct thread *thread) {
46 return 1; /* success */
50 os_context_register_t *
51 os_context_register_addr(os_context_t *context, int offset)
57 } else if (offset < 16) {
58 return &context->uc_mcontext.gregs[offset+3];
59 } else if (offset < 32) {
60 /* FIXME: You know, this (int *) stuff looks decidedly
62 int *sp = (int*) context->uc_mcontext.gregs[REG_SP];
63 return &(sp[offset-16]);
69 os_context_register_t *
70 os_context_pc_addr(os_context_t *context)
72 return &(context->uc_mcontext.gregs[REG_PC]);
75 os_context_register_t *
76 os_context_npc_addr(os_context_t *context)
78 return &(context->uc_mcontext.gregs[REG_nPC]);
82 os_context_sigmask_addr(os_context_t *context)
84 return &(context->uc_sigmask);
88 os_context_fp_control(os_context_t *context)
90 return (context->uc_mcontext.fpregs.fpu_fsr);
93 void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
95 /* see sparc-assem.S */
96 sparc_flush_icache(address, length);