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00046 #ifndef _RTAI_ASM_I386_XNCALL_H
00047 #define _RTAI_ASM_I386_XNCALL_H
00048
00049 #include <asm/ptrace.h>
00050
00051 #ifdef __KERNEL__
00052
00053 #include <asm/uaccess.h>
00054 #include <rtai_wrappers.h>
00055
00056 #define __xn_copy_from_user(task,dstP,srcP,n) __copy_from_user(dstP,srcP,n)
00057 #define __xn_copy_to_user(task,dstP,srcP,n) __copy_to_user(dstP,srcP,n)
00058 #define __xn_put_user(task,src,dstP) __put_user(src,dstP)
00059 #define __xn_get_user(task,dst,srcP) __get_user(dst,srcP)
00060
00061 #define __xn_range_ok(task,addr,size) ({ \
00062 unsigned long flag,sum; \
00063 asm("addl %3,%1 ; sbbl %0,%0; cmpl %1,%4; sbbl $0,%0" \
00064 :"=&r" (flag), "=r" (sum) \
00065 :"1" (addr),"g" ((int)(size)),"g" get_tsk_addr_limit(task)); \
00066 flag; })
00067
00068
00069
00070 #define __xn_access_ok(task,type,addr,size) (__xn_range_ok(task,addr,size) == 0)
00071
00072 #define XNARCH_MAX_SYSENT 255
00073
00074 typedef struct _xnsysent {
00075
00076 int (*svc)(struct task_struct *task,
00077 struct pt_regs *regs);
00078
00079 #define __xn_flag_suspensive 0x1
00080 #define __xn_flag_anycontext 0x2
00081
00082 u_long flags;
00083
00084 } xnsysent_t;
00085
00086 extern int nkgkptd;
00087
00088 #define xnshadow_ptd(t) ((t)->ptd[nkgkptd])
00089 #define xnshadow_thread(t) ((xnthread_t *)xnshadow_ptd(t))
00090
00091 #endif
00092
00093
00094
00095
00096
00097
00098
00099
00100
00101
00102
00103
00104
00105 #define __xn_sys_mux 555
00106
00107 #define __xn_sys_attach 0
00108 #define __xn_sys_detach 1
00109 #define __xn_sys_sched 2
00110 #define __xn_sys_sync 3
00111 #define __xn_sys_migrate 4
00112
00113 asm (".L__X'%ebx = 1\n\t"
00114 ".L__X'%ecx = 2\n\t"
00115 ".L__X'%edx = 2\n\t"
00116 ".L__X'%eax = 3\n\t"
00117 ".L__X'%esi = 3\n\t"
00118 ".L__X'%edi = 3\n\t"
00119 ".L__X'%ebp = 3\n\t"
00120 ".L__X'%esp = 3\n\t"
00121 ".macro bpushl name reg\n\t"
00122 ".if 1 - \\name\n\t"
00123 ".if 2 - \\name\n\t"
00124 "pushl %ebx\n\t"
00125 ".else\n\t"
00126 "xchgl \\reg, %ebx\n\t"
00127 ".endif\n\t"
00128 ".endif\n\t"
00129 ".endm\n\t"
00130 ".macro bpopl name reg\n\t"
00131 ".if 1 - \\name\n\t"
00132 ".if 2 - \\name\n\t"
00133 "popl %ebx\n\t"
00134 ".else\n\t"
00135 "xchgl \\reg, %ebx\n\t"
00136 ".endif\n\t"
00137 ".endif\n\t"
00138 ".endm\n\t"
00139 ".macro bmovl name reg\n\t"
00140 ".if 1 - \\name\n\t"
00141 ".if 2 - \\name\n\t"
00142 "movl \\reg, %ebx\n\t"
00143 ".endif\n\t"
00144 ".endif\n\t"
00145 ".endm\n\t");
00146
00147 #define XENOMAI_SYS_MUX(nr, op, args...) \
00148 ({ \
00149 unsigned resultvar; \
00150 asm volatile ( \
00151 LOADARGS_##nr \
00152 "movl %1, %%eax\n\t" \
00153 "int $0x80\n\t" \
00154 RESTOREARGS_##nr \
00155 : "=a" (resultvar) \
00156 : "i" (__xn_mux_code(0,op)) ASMFMT_##nr(args) : "memory", "cc"); \
00157 (int) resultvar; })
00158
00159 #define XENOMAI_SKIN_MUX(nr, id, op, args...) \
00160 ({ \
00161 int muxcode = __xn_mux_code(id,op); \
00162 unsigned resultvar; \
00163 asm volatile ( \
00164 LOADARGS_##nr \
00165 "movl %1, %%eax\n\t" \
00166 "int $0x80\n\t" \
00167 RESTOREARGS_##nr \
00168 : "=a" (resultvar) \
00169 : "m" (muxcode) ASMFMT_##nr(args) : "memory", "cc"); \
00170 (int) resultvar; })
00171
00172 #define LOADARGS_0
00173 #define LOADARGS_1 \
00174 "bpushl .L__X'%k2, %k2\n\t" \
00175 "bmovl .L__X'%k2, %k2\n\t"
00176 #define LOADARGS_2 LOADARGS_1
00177 #define LOADARGS_3 LOADARGS_1
00178 #define LOADARGS_4 LOADARGS_1
00179 #define LOADARGS_5 LOADARGS_1
00180
00181 #define RESTOREARGS_0
00182 #define RESTOREARGS_1 \
00183 "bpopl .L__X'%k2, %k2\n\t"
00184 #define RESTOREARGS_2 RESTOREARGS_1
00185 #define RESTOREARGS_3 RESTOREARGS_1
00186 #define RESTOREARGS_4 RESTOREARGS_1
00187 #define RESTOREARGS_5 RESTOREARGS_1
00188
00189 #define ASMFMT_0()
00190 #define ASMFMT_1(arg1) \
00191 , "acdSD" (arg1)
00192 #define ASMFMT_2(arg1, arg2) \
00193 , "adSD" (arg1), "c" (arg2)
00194 #define ASMFMT_3(arg1, arg2, arg3) \
00195 , "aSD" (arg1), "c" (arg2), "d" (arg3)
00196 #define ASMFMT_4(arg1, arg2, arg3, arg4) \
00197 , "aD" (arg1), "c" (arg2), "d" (arg3), "S" (arg4)
00198 #define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
00199 , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)
00200
00201
00202
00203 #define __xn_reg_mux(regs) ((regs)->orig_eax)
00204 #define __xn_reg_rval(regs) ((regs)->eax)
00205 #define __xn_reg_arg1(regs) ((regs)->ebx)
00206 #define __xn_reg_arg2(regs) ((regs)->ecx)
00207 #define __xn_reg_arg3(regs) ((regs)->edx)
00208 #define __xn_reg_arg4(regs) ((regs)->esi)
00209 #define __xn_reg_arg5(regs) ((regs)->edi)
00210
00211 #define __xn_reg_mux_p(regs) ((__xn_reg_mux(regs) & 0xffff) == __xn_sys_mux)
00212 #define __xn_mux_id(regs) ((__xn_reg_mux(regs) >> 16) & 0xff)
00213 #define __xn_mux_op(regs) ((__xn_reg_mux(regs) >> 24) & 0xff)
00214 #define __xn_mux_code(id,op) ((op << 24)|((id << 16) & 0xff0000)|(__xn_sys_mux & 0xffff))
00215
00216 #define XENOMAI_SYSCALL0(op) XENOMAI_SYS_MUX(0,op)
00217 #define XENOMAI_SYSCALL1(op,a1) XENOMAI_SYS_MUX(1,op,a1)
00218 #define XENOMAI_SYSCALL2(op,a1,a2) XENOMAI_SYS_MUX(2,op,a1,a2)
00219 #define XENOMAI_SYSCALL3(op,a1,a2,a3) XENOMAI_SYS_MUX(3,op,a1,a2,a3)
00220 #define XENOMAI_SYSCALL4(op,a1,a2,a3,a4) XENOMAI_SYS_MUX(4,op,a1,a2,a3,a4)
00221 #define XENOMAI_SYSCALL5(op,a1,a2,a3,a4,a5) XENOMAI_SYS_MUX(5,op,a1,a2,a3,a4,a5)
00222
00223 #define XENOMAI_SKINCALL0(id,op) XENOMAI_SKIN_MUX(0,id,op)
00224 #define XENOMAI_SKINCALL1(id,op,a1) XENOMAI_SKIN_MUX(1,id,op,a1)
00225 #define XENOMAI_SKINCALL2(id,op,a1,a2) XENOMAI_SKIN_MUX(2,id,op,a1,a2)
00226 #define XENOMAI_SKINCALL3(id,op,a1,a2,a3) XENOMAI_SKIN_MUX(3,id,op,a1,a2,a3)
00227 #define XENOMAI_SKINCALL4(id,op,a1,a2,a3,a4) XENOMAI_SKIN_MUX(4,id,op,a1,a2,a3,a4)
00228 #define XENOMAI_SKINCALL5(id,op,a1,a2,a3,a4,a5) XENOMAI_SKIN_MUX(5,id,op,a1,a2,a3,a4,a5)
00229
00230 typedef struct xnsysinfo {
00231
00232 unsigned long long cpufreq;
00233 unsigned long tickval;
00234
00235 } xnsysinfo_t;
00236
00237 typedef struct xninquiry {
00238
00239 char name[32];
00240 int prio;
00241 unsigned long status;
00242 void *khandle;
00243 void *uhandle;
00244
00245 } xninquiry_t;
00246
00247 struct task_struct;
00248
00249 #endif