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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 | |
d5daaa83 | 116 | str $GlobalSize, [$Tmp1, #-4]!\r |
17839a45 | 117 | b _InitializePrimaryStackLoop\r |
118 | _InitializePrimaryStackEnd\r | |
119 | MEND\r | |
120 | \r | |
2ef2b01e | 121 | END\r |