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 struct thread *arch_os_get_current_thread() {
45 int arch_os_thread_init(struct thread *thread) {
46 return 1; /* success */
48 int arch_os_thread_cleanup(struct thread *thread) {
49 return 1; /* success */
53 os_context_register_t *
54 os_context_register_addr(os_context_t *context, int offset)
60 } else if (offset < 16) {
61 return &context->uc_mcontext.gregs[offset+3];
62 } else if (offset < 32) {
63 /* FIXME: You know, this (int *) stuff looks decidedly
65 int *sp = (int*) context->uc_mcontext.gregs[REG_SP];
66 return &(sp[offset-16]);
72 os_context_register_t *
73 os_context_pc_addr(os_context_t *context)
75 return &(context->uc_mcontext.gregs[REG_PC]);
78 os_context_register_t *
79 os_context_npc_addr(os_context_t *context)
81 return &(context->uc_mcontext.gregs[REG_nPC]);
85 os_context_sigmask_addr(os_context_t *context)
87 return &(context->uc_sigmask);
91 os_context_fp_control(os_context_t *context)
93 return (context->uc_mcontext.fpregs.fpu_fsr);
96 void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
98 /* see sparc-assem.S */
99 sparc_flush_icache(address, length);