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8150 | dunkaist | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2020. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; Version 2, or (at your option) any later version. ;; |
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6 | ;; ;; |
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7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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8 | ;; ;; |
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9 | ;; Based on UEFI library for fasm by bzt, Public Domain. ;; |
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10 | ;; ;; |
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11 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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12 | |||
13 | DN fix dq ; native |
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14 | |||
15 | include "uefi.inc" |
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16 | |||
17 | EFIERR = 0x8000000000000000 |
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18 | |||
19 | struct EFI_SYSTEM_TABLE |
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20 | Hdr EFI_TABLE_HEADER |
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21 | FirmwareVendor dq ? |
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22 | FirmwareRevision dd ? |
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23 | dd ? |
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24 | ConsoleInHandle dq ? |
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25 | ConIn dq ? |
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26 | ConsoleOutHandle dq ? |
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27 | ConOut dq ? |
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28 | StandardErrorHandle dq ? |
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29 | StdErr dq ? |
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30 | RuntimeServices dq ? |
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31 | BootServices dq ? |
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32 | NumberOfTableEntries dq ? |
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33 | ConfigurationTable dq ? |
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34 | ends |
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35 | |||
36 | struct EFI_LOADED_IMAGE_PROTOCOL |
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37 | Revision dd ? |
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38 | dd ? |
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39 | ParentHandle dq ? |
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40 | SystemTable dq ? |
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41 | DeviceHandle dq ? |
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42 | FilePath dq ? |
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43 | Reserved dq ? |
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44 | LoadOptionsSize dd ? |
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45 | dd ? |
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46 | ImageBase dq ? |
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47 | ImageSize dq ? |
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48 | ImageCodeType dd ? |
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49 | ImageDataType dd ? |
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50 | UnLoad dq ? |
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51 | ends |
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52 | |||
53 | macro eficall interface,function,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11 |
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54 | { |
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55 | numarg = 0 |
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56 | |||
57 | if ~ arg11 eq |
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58 | numarg = numarg + 1 |
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59 | if ~ arg11 eq rdi |
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60 | mov rdi, arg11 |
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61 | end if |
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62 | end if |
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63 | |||
64 | if ~ arg10 eq |
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65 | numarg = numarg + 1 |
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66 | if ~ arg10 eq rsi |
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67 | mov rsi, arg10 |
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68 | end if |
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69 | end if |
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70 | |||
71 | if ~ arg9 eq |
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72 | numarg = numarg + 1 |
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73 | if ~ arg9 eq r14 |
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74 | mov r14, arg9 |
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75 | end if |
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76 | end if |
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77 | |||
78 | if ~ arg8 eq |
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79 | numarg = numarg + 1 |
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80 | if ~ arg8 eq r13 |
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81 | mov r13, arg8 |
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82 | end if |
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83 | end if |
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84 | |||
85 | if ~ arg7 eq |
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86 | numarg = numarg + 1 |
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87 | if ~ arg7 eq r12 |
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88 | mov r12, arg7 |
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89 | end if |
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90 | end if |
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91 | |||
92 | if ~ arg6 eq |
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93 | numarg = numarg + 1 |
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94 | if ~ arg6 eq r11 |
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95 | mov r11, arg6 |
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96 | end if |
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97 | end if |
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98 | |||
99 | if ~ arg5 eq |
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100 | numarg = numarg + 1 |
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101 | if ~ arg5 eq r10 |
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102 | mov r10, arg5 |
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103 | end if |
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104 | end if |
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105 | |||
106 | if ~ arg4 eq |
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107 | numarg = numarg + 1 |
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108 | if ~ arg4 eq r9 |
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109 | mov r9, arg4 |
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110 | end if |
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111 | end if |
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112 | |||
113 | if ~ arg3 eq |
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114 | numarg = numarg + 1 |
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115 | if ~ arg3 eq r8 |
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116 | mov r8, arg3 |
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117 | end if |
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118 | end if |
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119 | |||
120 | if ~ arg2 eq |
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121 | numarg = numarg + 1 |
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122 | if ~ arg2 eq rdx |
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123 | mov rdx, arg2 |
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124 | end if |
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125 | end if |
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126 | |||
127 | if ~ arg1 eq |
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128 | numarg = numarg + 1 |
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129 | if ~ arg1 eq rcx |
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130 | mov rcx, arg1 |
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131 | end if |
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132 | end if |
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133 | |||
134 | xor eax, eax |
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135 | mov al, numarg |
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136 | |||
137 | if ~ interface eq rbx |
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138 | mov rbx, interface |
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139 | end if |
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140 | |||
141 | mov rbx, [rbx + function] |
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142 | call uefifunc |
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143 | } |
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144 | |||
145 | section '.text' code executable readable |
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146 | |||
147 | uefifunc: |
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148 | ;save stack pointer |
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149 | mov [uefi_rsptmp], rsp |
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150 | ;set up new aligned stack |
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151 | and esp, 0xFFFFFFF0 |
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152 | ;alignment check on arguments |
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153 | bt eax, 0 |
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154 | jnc @f |
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155 | push rax |
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156 | ;arguments |
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157 | @@: |
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158 | cmp al, 11 |
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159 | jb @f |
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160 | push rdi |
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161 | @@: |
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162 | cmp al, 10 |
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163 | jb @f |
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164 | push rsi |
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165 | @@: |
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166 | cmp al, 9 |
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167 | jb @f |
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168 | push r14 |
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169 | @@: |
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170 | cmp al, 8 |
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171 | jb @f |
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172 | push r13 |
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173 | @@: |
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174 | cmp al, 7 |
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175 | jb @f |
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176 | push r12 |
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177 | @@: |
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178 | cmp al, 6 |
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179 | jb @f |
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180 | push r11 |
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181 | @@: |
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182 | cmp al, 5 |
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183 | jb @f |
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184 | push r10 |
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185 | @@: |
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186 | ;space for |
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187 | ;r9 |
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188 | ;r8 |
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189 | ;rdx |
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190 | ;rcx |
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191 | sub rsp, 4*8 |
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192 | ;call function |
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193 | call rbx |
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194 | ;restore old stack |
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195 | mov rsp, [uefi_rsptmp] |
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196 | ret |