blob: 516fc10bda619f59420c404840ba5efe19fddf8c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#include "function_target.h"
#include "consts.h"
#include "OS_arena.h"
static BOOL OSi_Initialized = FALSE;
extern void SDK_SUBPRIV_ARENA_LO(void);
extern void SDK_WRAM_ARENA_LO(void);
extern void SDK_IRQ_STACKSIZE(void);
extern void SDK_SYS_STACKSIZE(void);
ARM_FUNC void OS_InitArena(void)
{
if (OSi_Initialized)
{
return;
}
OSi_Initialized = TRUE;
OS_SetArenaHi(OS_ARENA_MAIN_SUBPRIV, OS_GetInitArenaHi(OS_ARENA_MAIN_SUBPRIV));
OS_SetArenaLo(OS_ARENA_MAIN_SUBPRIV, OS_GetInitArenaLo(OS_ARENA_MAIN_SUBPRIV));
OS_SetArenaHi(OS_ARENA_WRAM_SUB, OS_GetInitArenaHi(OS_ARENA_WRAM_SUB));
OS_SetArenaLo(OS_ARENA_WRAM_SUB, OS_GetInitArenaLo(OS_ARENA_WRAM_SUB));
OS_SetArenaHi(OS_ARENA_WRAM_SUBPRIV, OS_GetInitArenaHi(OS_ARENA_WRAM_SUBPRIV));
OS_SetArenaLo(OS_ARENA_WRAM_SUBPRIV, OS_GetInitArenaLo(OS_ARENA_WRAM_SUBPRIV));
}
ARM_FUNC void* OS_GetArenaHi(OSArenaId id)
{
return OSi_GetArenaInfo().hi[id];
}
ARM_FUNC void* OS_GetArenaLo(OSArenaId id)
{
return OSi_GetArenaInfo().lo[id];
}
ARM_FUNC void* OS_GetInitArenaHi(OSArenaId id)
{
switch (id) {
case OS_ARENA_MAIN_SUBPRIV:
return (void *)HW_MAIN_MEM_SUB_END;
case OS_ARENA_WRAM_SUB:
return (void *)HW_WRAM_END;
case OS_ARENA_WRAM_SUBPRIV:
{
u32 irqStackLo = (u32)HW_PRV_WRAM_IRQ_STACK_END - (s32)SDK_IRQ_STACKSIZE;
u32 sysStackLo = (u32)HW_PRV_WRAM;
if ((u32)SDK_WRAM_ARENA_LO > (u32)HW_PRV_WRAM)
{
sysStackLo = (u32)SDK_WRAM_ARENA_LO;
}
if (!(s32)SDK_SYS_STACKSIZE)
{
return (void *)sysStackLo;
}
else if ((s32)SDK_SYS_STACKSIZE < 0)
{
sysStackLo -= (s32)SDK_SYS_STACKSIZE;
}
else
{
sysStackLo = irqStackLo - (s32)SDK_SYS_STACKSIZE;
}
return (void *)sysStackLo;
}
default:
return NULL;
}
}
ARM_FUNC void* OS_GetInitArenaLo(OSArenaId id) {
switch (id) {
case OS_ARENA_MAIN_SUBPRIV:
return (void *)((u32)0x027fafcc); //todo SDK_SUBPRIV_ARENA_LO
case OS_ARENA_WRAM_SUB:
{
u32 wramSubLo = ((u32)SDK_WRAM_ARENA_LO);
if ((u32)HW_WRAM_END < (u32)wramSubLo)
{
wramSubLo = (u32)HW_WRAM_END;
}
return (void *)wramSubLo;
}
case OS_ARENA_WRAM_SUBPRIV:
{
u32 privWramLo = HW_PRV_WRAM;
if ((u32)SDK_WRAM_ARENA_LO > (u32)privWramLo)
{
privWramLo = (u32)SDK_WRAM_ARENA_LO;
}
return (void *)privWramLo;
}
default:
return NULL;
}
}
ARM_FUNC void OS_SetArenaHi(OSArenaId id, void* newHi) {
OSi_GetArenaInfo().hi[id] = newHi;
}
ARM_FUNC void OS_SetArenaLo(OSArenaId id, void* newLo) {
OSi_GetArenaInfo().lo[id] = newLo;
}
|
