2 Copyright © 2013-2015, The AROS Development Team. All rights reserved.
6 #ifndef KERNEL_INTERN_H_
7 #define KERNEL_INTERN_H_
9 #include <aros/libcall.h>
11 #include <exec/lists.h>
12 #include <exec/execbase.h>
13 #include <exec/memory.h>
14 #include <utility/tagitem.h>
18 extern uint32_t __arm_periiobase
;
19 #define ARM_PERIIOBASE (__arm_periiobase)
20 #include <hardware/bcm283x.h>
24 /* Use system timer 3 for our scheduling heartbeat */
25 #define VBLANK_TIMER 3
26 #define VBLANK_INTERVAL (1000000 / 50)
28 #define KERNEL_PHYS_BASE 0x07800000
29 #define KERNEL_VIRT_BASE 0xff800000
31 #define VFPEnable (1 << 30)
32 #define VFPSingle (3 << 20)
33 #define VFPDouble (3 << 22)
35 void core_SetupMMU(void);
36 void core_SetupIntr(void);
38 void *KrnAddSysTimerHandler(struct KernelBase
*);
40 intptr_t krnGetTagData(Tag tagValue
, intptr_t defaultVal
, const struct TagItem
*tagList
);
41 struct TagItem
*krnFindTagItem(Tag tagValue
, const struct TagItem
*tagList
);
42 struct TagItem
*krnNextTagItem(const struct TagItem
**tagListPtr
);
44 struct KernelBase
*getKernelBase();
61 #define STR(x) __STR(x)
64 AROS_LDA(const char *, format
, A0
),
65 AROS_LDA(va_list, args
, A1
),
66 struct KernelBase
*, KernelBase
, 12, Kernel
);
68 static inline void bug(const char *format
, ...)
70 struct KernelBase
*kbase
= getKernelBase();
72 va_start(args
, format
);
73 AROS_SLIB_ENTRY(KrnBug
, Kernel
, 12)(format
, args
, kbase
);
77 #define VECTCOMMON_START \
78 " sub sp, sp, #4*4 \n" \
79 " stmfd sp!, {r0-r12} \n" \
82 " str r1, [r0, #16*4] \n" \
83 " str lr, [r0, #15*4] \n"
85 #define VECTCOMMON_END \
86 " add r1, sp, #13*4 \n" \
88 " add r1, sp, #14*4 \n" \
90 " ldr lr, [sp, #15*4] \n" \
91 " ldr r1, [sp, #16*4] \n" \
93 " ldmfd sp!, {r0-r12} \n" \
94 " add sp, sp, #4*4 \n" \
97 #define STORE_TASKSTATE(task, regs) \
98 struct ExceptionContext *ctx = task->tc_UnionETask.tc_ETask->et_RegFrame; \
100 for (__task_reg_no = 0; __task_reg_no < 12; __task_reg_no++) \
102 ctx->r[__task_reg_no] = ((uint32_t *)regs)[__task_reg_no]; \
104 ctx->ip = ((uint32_t *)regs)[12]; \
105 ctx->sp = task->tc_SPReg = ((uint32_t *)regs)[13]; \
106 ctx->lr = ((uint32_t *)regs)[14]; \
107 ctx->pc = ((uint32_t *)regs)[15]; \
108 ctx->cpsr = ((uint32_t *)regs)[16];
110 #define RESTORE_TASKSTATE(task, regs) \
111 struct ExceptionContext *ctx = task->tc_UnionETask.tc_ETask->et_RegFrame; \
113 for (__task_reg_no = 0; __task_reg_no < 12; __task_reg_no++) \
115 ((uint32_t *)regs)[__task_reg_no] = ctx->r[__task_reg_no]; \
117 ((uint32_t *)regs)[12] = ctx->ip; \
118 ((uint32_t *)regs)[13] = ctx->sp = task->tc_SPReg; \
119 ((uint32_t *)regs)[14] = ctx->lr; \
120 ((uint32_t *)regs)[15] = ctx->pc; \
121 ((uint32_t *)regs)[16] = ctx->cpsr;
123 #endif /*KERNEL_INTERN_H_*/