arch/arm-native/kernel/kernel_cpu.h

   1 /*
   2     Copyright © 2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef CPU_ARM_H_
   7 #define CPU_ARM_H_
   8
   9 #include <inttypes.h>
  10 #include "kernel_arm.h"
  11
  12 extern uint32_t __arm_affinitymask;
  13
  14 #define EXCEPTIONS_COUNT        1
  15
  16 #define ARM_FPU_TYPE            FPU_VFP
  17 #define ARM_FPU_SIZE            32*64
  18
  19 /* We use native context format, no conversion needed */
  20 #define regs_t struct ExceptionContext
  21 /* There are no private add-ons */
  22 #define AROSCPUContext ExceptionContext
  23
  24 #define goSuper() 0
  25 #define goUser()
  26
  27 #define krnSysCall(n) asm volatile ("swi %[swi_no]\n\t" : : [swi_no] "I" (n) : "lr");
  28
  29 void cpu_DumpRegs(regs_t *regs);
  30
  31 static inline int GetCPUNumber() {
  32     int tmp;
  33     asm volatile (" mrc p15, 0, %0, c0, c0, 5 " : "=r" (tmp));
  34     return tmp & 3;
  35 }
  36
  37 static inline void SendIPISelf(uint32_t msg)
  38 {
  39     int cpu = GetCPUNumber();
  40     __arm_arosintern.ARMI_SendIPI((msg & 0x0fffffff) | (cpu << 28), 1 << cpu);
  41 }
  42
  43 static inline void SendIPIOthers(uint32_t msg)
  44 {
  45     int cpu = GetCPUNumber();
  46     __arm_arosintern.ARMI_SendIPI((msg & 0x0fffffff) | (cpu << 28), 0xf & ~(1 << cpu));
  47 }
  48
  49 static inline void SendIPIAll(uint32_t msg)
  50 {
  51     int cpu = GetCPUNumber();
  52     __arm_arosintern.ARMI_SendIPI((msg & 0x0fffffff) | (cpu << 28), 0xf);
  53 }
  54
  55 #endif /* CPU_ARM_H_ */