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1;%HEADER%\r
2;/** @file\r
3; Macros to work around lack of Apple support for LDR register, =expr\r
4;\r
d6ebcab7 5; Copyright (c) 2009, Apple Inc. All rights reserved.<BR>\r
1377db63 6; Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>\r
7;\r
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8; This program and the accompanying materials\r
9; are licensed and made available under the terms and conditions of the BSD License\r
10; which accompanies this distribution. The full text of the license may be found at\r
11; http://opensource.org/licenses/bsd-license.php\r
12;\r
13; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
14; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
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15;\r
16;**/\r
17\r
18\r
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19 MACRO\r
20 MmioWrite32Macro $Address, $Data\r
21 ldr r1, = ($Address)\r
22 ldr r0, = ($Data)\r
23 str r0, [r1]\r
24 MEND\r
25\r
26 MACRO\r
27 MmioOr32Macro $Address, $OrData\r
28 ldr r1, =($Address)\r
29 ldr r2, =($OrData)\r
30 ldr r0, [r1]\r
31 orr r0, r0, r2\r
32 str r0, [r1]\r
2ef2b01e 33 MEND\r
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34\r
35 MACRO\r
36 MmioAnd32Macro $Address, $AndData\r
37 ldr r1, =($Address)\r
38 ldr r2, =($AndData)\r
39 ldr r0, [r1]\r
40 and r0, r0, r2\r
41 str r0, [r1]\r
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42 MEND\r
43\r
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44 MACRO\r
45 MmioAndThenOr32Macro $Address, $AndData, $OrData\r
46 ldr r1, =($Address)\r
47 ldr r0, [r1]\r
48 ldr r2, =($AndData)\r
49 and r0, r0, r2\r
50 ldr r2, =($OrData)\r
51 orr r0, r0, r2\r
52 str r0, [r1]\r
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53 MEND\r
54\r
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55 MACRO\r
56 MmioWriteFromReg32Macro $Address, $Reg\r
57 ldr r1, =($Address)\r
58 str $Reg, [r1]\r
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59 MEND\r
60\r
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61 MACRO\r
62 MmioRead32Macro $Address\r
63 ldr r1, =($Address)\r
64 ldr r0, [r1]\r
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65 MEND\r
66\r
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67 MACRO\r
68 MmioReadToReg32Macro $Address, $Reg\r
69 ldr r1, =($Address)\r
70 ldr $Reg, [r1]\r
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71 MEND\r
72\r
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73 MACRO\r
74 LoadConstantMacro $Data\r
75 ldr r0, =($Data)\r
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76 MEND\r
77\r
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78 MACRO\r
79 LoadConstantToRegMacro $Data, $Reg\r
80 ldr $Reg, =($Data)\r
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81 MEND\r
82\r
2dbcb8f0 83 ; The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack\r
1377db63 84 ; Note: Global Size will be modified\r
2dbcb8f0 85 MACRO\r
86 SetPrimaryStack $StackTop, $GlobalSize, $Tmp\r
87 and $Tmp, $GlobalSize, #7\r
88 rsbne $Tmp, $Tmp, #8\r
89 add $GlobalSize, $GlobalSize, $Tmp\r
90 sub sp, $StackTop, $GlobalSize\r
1377db63 91\r
92 ; Set all the global variables to 0\r
93 mov $Tmp, sp\r
94 mov $GlobalSize, #0x0\r
95_SetPrimaryStackInitGlobals\r
96 cmp $Tmp, $StackTop\r
97 beq _SetPrimaryStackEnd\r
98 str $GlobalSize, [$Tmp], #4\r
99 b _SetPrimaryStackInitGlobals\r
1377db63 100_SetPrimaryStackEnd\r
2dbcb8f0 101 MEND\r
2ef2b01e 102\r
17839a45 103 MACRO\r
104 InitializePrimaryStack $GlobalSize, $Tmp1\r
105 and $Tmp1, $GlobalSize, #7\r
106 rsbne $Tmp1, $Tmp1, #8\r
107 add $GlobalSize, $GlobalSize, $Tmp1\r
108\r
109 mov $Tmp1, sp\r
110 sub sp, $GlobalSize\r
111 ; Set all the global variables to 0\r
112 mov $GlobalSize, #0x0\r
113_InitializePrimaryStackLoop\r
114 cmp $Tmp1, sp\r
115 bls _InitializePrimaryStackEnd\r
116 str $GlobalSize, [$Tmp1], #-4\r
117 b _InitializePrimaryStackLoop\r
118_InitializePrimaryStackEnd\r
119 MEND\r
120\r
2ef2b01e 121 END\r