1 | /* |
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2 | * Test if our calling convention gymnastics actually work |
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3 | */ |
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4 | |
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5 | #include <efi.h> |
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6 | #include <efilib.h> |
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7 | |
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8 | #ifdef __x86_64__ |
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9 | #include <x86_64/pe.h> |
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10 | #include <x86_64/efibind.h> |
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11 | #endif |
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12 | |
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13 | #if 0 |
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14 | asm volatile("out %0,%1" : : "a" ((uint8_t)a), "dN" (0x80)); |
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15 | |
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16 | extern void dump_stack(void); |
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17 | asm( ".globl dump_stack\n" |
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18 | "dump_stack:\n" |
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19 | " movq %rsp, %rdi\n" |
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20 | " jmp *dump_stack_helper@GOTPCREL(%rip)\n" |
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21 | ".size dump_stack, .-dump_stack"); |
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22 | |
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23 | void dump_stack_helper(uint64_t rsp_val) |
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24 | { |
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25 | uint64_t *rsp = (uint64_t *)rsp_val; |
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26 | int x; |
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27 | |
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28 | Print(L"%%rsp: 0x%08x%08x stack:\r\n", |
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29 | (rsp_val & 0xffffffff00000000) >>32, |
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30 | rsp_val & 0xffffffff); |
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31 | for (x = 0; x < 8; x++) { |
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32 | Print(L"%08x: ", ((uint64_t)rsp) & 0xffffffff); |
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33 | Print(L"%016x ", *rsp++); |
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34 | Print(L"%016x ", *rsp++); |
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35 | Print(L"%016x ", *rsp++); |
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36 | Print(L"%016x\r\n", *rsp++); |
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37 | } |
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38 | } |
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39 | #endif |
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40 | |
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41 | EFI_STATUS EFI_FUNCTION test_failure_callback(void) |
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42 | { |
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43 | return EFI_UNSUPPORTED; |
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44 | } |
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45 | |
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46 | EFI_STATUS test_failure(void) |
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47 | { |
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48 | return uefi_call_wrapper(test_failure_callback, 0); |
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49 | } |
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50 | |
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51 | EFI_STATUS EFI_FUNCTION test_call0_callback(void) |
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52 | { |
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53 | return EFI_SUCCESS; |
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54 | } |
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55 | |
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56 | EFI_STATUS test_call0(void) |
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57 | { |
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58 | return uefi_call_wrapper(test_call0_callback, 0); |
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59 | } |
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60 | |
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61 | EFI_STATUS EFI_FUNCTION test_call1_callback(UINT32 a) |
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62 | { |
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63 | if (a != 0x12345678) { |
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64 | return EFI_LOAD_ERROR; |
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65 | } |
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66 | return EFI_SUCCESS; |
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67 | } |
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68 | |
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69 | EFI_STATUS test_call1(void) |
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70 | { |
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71 | return uefi_call_wrapper(test_call1_callback, 1,0x12345678); |
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72 | } |
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73 | |
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74 | EFI_STATUS EFI_FUNCTION test_call2_callback(UINT32 a, UINT32 b) |
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75 | { |
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76 | if (a != 0x12345678) { |
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77 | return EFI_LOAD_ERROR; |
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78 | } |
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79 | if (b != 0x23456789) { |
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80 | return EFI_INVALID_PARAMETER; |
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81 | } |
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82 | return EFI_SUCCESS; |
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83 | } |
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84 | |
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85 | EFI_STATUS test_call2(void) |
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86 | { |
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87 | return uefi_call_wrapper(test_call2_callback, 2, |
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88 | 0x12345678, 0x23456789); |
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89 | } |
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90 | |
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91 | EFI_STATUS EFI_FUNCTION test_call3_callback(UINT32 a, UINT32 b, |
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92 | UINT32 c) |
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93 | { |
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94 | if (a != 0x12345678) |
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95 | return EFI_LOAD_ERROR; |
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96 | if (b != 0x23456789) |
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97 | return EFI_INVALID_PARAMETER; |
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98 | if (c != 0x3456789a) |
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99 | return EFI_UNSUPPORTED; |
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100 | return EFI_SUCCESS; |
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101 | } |
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102 | |
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103 | EFI_STATUS test_call3(void) |
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104 | { |
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105 | return uefi_call_wrapper(test_call3_callback, 3, |
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106 | 0x12345678, 0x23456789, 0x3456789a); |
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107 | } |
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108 | |
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109 | EFI_STATUS EFI_FUNCTION test_call4_callback(UINT32 a, UINT32 b, |
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110 | UINT32 c, UINT32 d) |
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111 | { |
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112 | if (a != 0x12345678) |
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113 | return EFI_LOAD_ERROR; |
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114 | if (b != 0x23456789) |
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115 | return EFI_INVALID_PARAMETER; |
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116 | if (c != 0x3456789a) |
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117 | return EFI_UNSUPPORTED; |
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118 | if (d != 0x456789ab) |
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119 | return EFI_BAD_BUFFER_SIZE; |
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120 | |
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121 | return EFI_SUCCESS; |
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122 | } |
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123 | |
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124 | EFI_STATUS test_call4(void) |
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125 | { |
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126 | return uefi_call_wrapper(test_call4_callback, 4, |
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127 | 0x12345678, 0x23456789, 0x3456789a, 0x456789ab); |
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128 | } |
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129 | |
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130 | EFI_STATUS EFI_FUNCTION test_call5_callback(UINT32 a, UINT32 b, |
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131 | UINT32 c, UINT32 d, UINT32 e) |
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132 | { |
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133 | if (a != 0x12345678) |
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134 | return EFI_LOAD_ERROR; |
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135 | if (b != 0x23456789) |
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136 | return EFI_INVALID_PARAMETER; |
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137 | if (c != 0x3456789a) |
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138 | return EFI_UNSUPPORTED; |
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139 | if (d != 0x456789ab) |
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140 | return EFI_BAD_BUFFER_SIZE; |
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141 | if (e != 0x56789abc) |
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142 | return EFI_BUFFER_TOO_SMALL; |
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143 | |
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144 | return EFI_SUCCESS; |
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145 | } |
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146 | |
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147 | EFI_STATUS test_call5(void) |
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148 | { |
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149 | return uefi_call_wrapper(test_call5_callback, 5, |
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150 | 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc); |
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151 | } |
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152 | |
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153 | EFI_STATUS EFI_FUNCTION test_call6_callback(UINT32 a, UINT32 b, |
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154 | UINT32 c, UINT32 d, UINT32 e, UINT32 f) |
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155 | { |
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156 | if (a != 0x12345678) |
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157 | return EFI_LOAD_ERROR; |
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158 | if (b != 0x23456789) |
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159 | return EFI_INVALID_PARAMETER; |
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160 | if (c != 0x3456789a) |
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161 | return EFI_UNSUPPORTED; |
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162 | if (d != 0x456789ab) |
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163 | return EFI_BAD_BUFFER_SIZE; |
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164 | if (e != 0x56789abc) |
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165 | return EFI_BUFFER_TOO_SMALL; |
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166 | if (f != 0x6789abcd) |
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167 | return EFI_NOT_READY; |
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168 | |
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169 | return EFI_SUCCESS; |
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170 | } |
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171 | |
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172 | EFI_STATUS test_call6(void) |
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173 | { |
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174 | return uefi_call_wrapper(test_call6_callback, 6, |
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175 | 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, |
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176 | 0x6789abcd); |
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177 | } |
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178 | |
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179 | EFI_STATUS EFI_FUNCTION test_call7_callback(UINT32 a, UINT32 b, |
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180 | UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g) |
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181 | { |
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182 | if (a != 0x12345678) |
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183 | return EFI_LOAD_ERROR; |
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184 | if (b != 0x23456789) |
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185 | return EFI_INVALID_PARAMETER; |
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186 | if (c != 0x3456789a) |
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187 | return EFI_UNSUPPORTED; |
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188 | if (d != 0x456789ab) |
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189 | return EFI_BAD_BUFFER_SIZE; |
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190 | if (e != 0x56789abc) |
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191 | return EFI_BUFFER_TOO_SMALL; |
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192 | if (f != 0x6789abcd) |
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193 | return EFI_NOT_READY; |
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194 | if (g != 0x789abcde) |
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195 | return EFI_DEVICE_ERROR; |
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196 | |
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197 | return EFI_SUCCESS; |
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198 | } |
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199 | |
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200 | EFI_STATUS test_call7(void) |
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201 | { |
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202 | return uefi_call_wrapper(test_call7_callback, 7, |
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203 | 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, |
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204 | 0x56789abc, 0x6789abcd, 0x789abcde); |
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205 | } |
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206 | |
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207 | EFI_STATUS EFI_FUNCTION test_call8_callback(UINT32 a, UINT32 b, |
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208 | UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h) |
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209 | { |
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210 | if (a != 0x12345678) |
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211 | return EFI_LOAD_ERROR; |
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212 | if (b != 0x23456789) |
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213 | return EFI_INVALID_PARAMETER; |
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214 | if (c != 0x3456789a) |
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215 | return EFI_UNSUPPORTED; |
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216 | if (d != 0x456789ab) |
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217 | return EFI_BAD_BUFFER_SIZE; |
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218 | if (e != 0x56789abc) |
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219 | return EFI_BUFFER_TOO_SMALL; |
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220 | if (f != 0x6789abcd) |
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221 | return EFI_NOT_READY; |
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222 | if (g != 0x789abcde) |
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223 | return EFI_DEVICE_ERROR; |
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224 | if (h != 0x89abcdef) |
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225 | return EFI_WRITE_PROTECTED; |
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226 | |
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227 | return EFI_SUCCESS; |
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228 | } |
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229 | |
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230 | EFI_STATUS test_call8(void) |
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231 | { |
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232 | return uefi_call_wrapper(test_call8_callback, 8, |
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233 | 0x12345678, |
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234 | 0x23456789, |
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235 | 0x3456789a, |
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236 | 0x456789ab, |
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237 | 0x56789abc, |
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238 | 0x6789abcd, |
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239 | 0x789abcde, |
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240 | 0x89abcdef); |
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241 | } |
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242 | |
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243 | EFI_STATUS EFI_FUNCTION test_call9_callback(UINT32 a, UINT32 b, |
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244 | UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i) |
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245 | { |
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246 | if (a != 0x12345678) |
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247 | return EFI_LOAD_ERROR; |
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248 | if (b != 0x23456789) |
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249 | return EFI_INVALID_PARAMETER; |
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250 | if (c != 0x3456789a) |
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251 | return EFI_UNSUPPORTED; |
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252 | if (d != 0x456789ab) |
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253 | return EFI_BAD_BUFFER_SIZE; |
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254 | if (e != 0x56789abc) |
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255 | return EFI_BUFFER_TOO_SMALL; |
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256 | if (f != 0x6789abcd) |
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257 | return EFI_NOT_READY; |
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258 | if (g != 0x789abcde) |
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259 | return EFI_DEVICE_ERROR; |
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260 | if (h != 0x89abcdef) |
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261 | return EFI_WRITE_PROTECTED; |
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262 | if (i != 0x9abcdef0) |
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263 | return EFI_OUT_OF_RESOURCES; |
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264 | |
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265 | return EFI_SUCCESS; |
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266 | } |
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267 | |
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268 | EFI_STATUS test_call9(void) |
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269 | { |
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270 | return uefi_call_wrapper(test_call9_callback, 9, |
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271 | 0x12345678, |
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272 | 0x23456789, |
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273 | 0x3456789a, |
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274 | 0x456789ab, |
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275 | 0x56789abc, |
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276 | 0x6789abcd, |
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277 | 0x789abcde, |
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278 | 0x89abcdef, |
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279 | 0x9abcdef0); |
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280 | } |
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281 | |
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282 | extern EFI_STATUS test_call10(void); |
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283 | EFI_STATUS EFI_FUNCTION test_call10_callback(UINT32 a, UINT32 b, |
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284 | UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i, |
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285 | UINT32 j) |
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286 | { |
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287 | if (a != 0x12345678) |
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288 | return EFI_LOAD_ERROR; |
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289 | if (b != 0x23456789) |
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290 | return EFI_INVALID_PARAMETER; |
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291 | if (c != 0x3456789a) |
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292 | return EFI_UNSUPPORTED; |
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293 | if (d != 0x456789ab) |
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294 | return EFI_BAD_BUFFER_SIZE; |
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295 | if (e != 0x56789abc) |
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296 | return EFI_BUFFER_TOO_SMALL; |
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297 | if (f != 0x6789abcd) |
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298 | return EFI_NOT_READY; |
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299 | if (g != 0x789abcde) |
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300 | return EFI_DEVICE_ERROR; |
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301 | if (h != 0x89abcdef) |
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302 | return EFI_WRITE_PROTECTED; |
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303 | if (i != 0x9abcdef0) |
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304 | return EFI_OUT_OF_RESOURCES; |
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305 | if (j != 0xabcdef01) |
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306 | return EFI_VOLUME_CORRUPTED; |
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307 | |
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308 | return EFI_SUCCESS; |
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309 | } |
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310 | |
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311 | EFI_STATUS test_call10(void) |
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312 | { |
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313 | return uefi_call_wrapper(test_call10_callback, 10, |
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314 | 0x12345678, |
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315 | 0x23456789, |
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316 | 0x3456789a, |
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317 | 0x456789ab, |
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318 | 0x56789abc, |
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319 | 0x6789abcd, |
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320 | 0x789abcde, |
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321 | 0x89abcdef, |
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322 | 0x9abcdef0, |
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323 | 0xabcdef01); |
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324 | } |
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325 | |
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326 | EFI_STATUS |
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327 | efi_main (EFI_HANDLE *image, EFI_SYSTEM_TABLE *systab) |
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328 | { |
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329 | EFI_STATUS rc = EFI_SUCCESS; |
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330 | |
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331 | InitializeLib(image, systab); |
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332 | PoolAllocationType = 2; /* klooj */ |
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333 | |
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334 | #ifndef __x86_64__ |
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335 | uefi_call_wrapper(systab->ConOut->OutputString, 2, systab->ConOut, |
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336 | L"This test is only valid on x86_64\n"); |
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337 | return EFI_UNSUPPORTED; |
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338 | #endif |
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339 | |
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340 | __asm__ volatile("out %0,%1" : : "a" ((uint8_t)0x14), "dN" (0x80)); |
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341 | |
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342 | Print(L"Hello\r\n"); |
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343 | rc = test_failure(); |
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344 | if (EFI_ERROR(rc)) { |
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345 | Print(L"Returning Failure works\n"); |
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346 | } else { |
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347 | Print(L"Returning failure doesn't work.\r\n"); |
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348 | Print(L"%%rax was 0x%016x, should have been 0x%016x\n", |
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349 | rc, EFI_UNSUPPORTED); |
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350 | return EFI_INVALID_PARAMETER; |
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351 | } |
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352 | |
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353 | rc = test_call0(); |
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354 | if (!EFI_ERROR(rc)) { |
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355 | Print(L"0 args works just fine here.\r\n"); |
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356 | } else { |
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357 | Print(L"0 args failed: 0x%016x\n", rc); |
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358 | return rc; |
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359 | } |
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360 | |
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361 | rc = test_call1(); |
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362 | if (!EFI_ERROR(rc)) { |
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363 | Print(L"1 arg works just fine here.\r\n"); |
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364 | } else { |
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365 | Print(L"1 arg failed: 0x%016x\n", rc); |
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366 | return rc; |
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367 | } |
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368 | |
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369 | rc = test_call2(); |
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370 | if (!EFI_ERROR(rc)) { |
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371 | Print(L"2 args works just fine here.\r\n"); |
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372 | } else { |
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373 | Print(L"2 args failed: 0x%016x\n", rc); |
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374 | return rc; |
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375 | } |
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376 | |
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377 | rc = test_call3(); |
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378 | if (!EFI_ERROR(rc)) { |
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379 | Print(L"3 args works just fine here.\r\n"); |
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380 | } else { |
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381 | Print(L"3 args failed: 0x%016x\n", rc); |
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382 | return rc; |
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383 | } |
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384 | |
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385 | rc = test_call4(); |
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386 | if (!EFI_ERROR(rc)) { |
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387 | Print(L"4 args works just fine here.\r\n"); |
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388 | } else { |
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389 | Print(L"4 args failed: 0x%016x\n", rc); |
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390 | return rc; |
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391 | } |
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392 | |
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393 | rc = test_call5(); |
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394 | if (!EFI_ERROR(rc)) { |
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395 | Print(L"5 args works just fine here.\r\n"); |
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396 | } else { |
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397 | Print(L"5 args failed: 0x%016x\n", rc); |
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398 | return rc; |
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399 | } |
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400 | |
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401 | rc = test_call6(); |
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402 | if (!EFI_ERROR(rc)) { |
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403 | Print(L"6 args works just fine here.\r\n"); |
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404 | } else { |
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405 | Print(L"6 args failed: 0x%016x\n", rc); |
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406 | return rc; |
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407 | } |
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408 | |
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409 | rc = test_call7(); |
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410 | if (!EFI_ERROR(rc)) { |
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411 | Print(L"7 args works just fine here.\r\n"); |
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412 | } else { |
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413 | Print(L"7 args failed: 0x%016x\n", rc); |
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414 | return rc; |
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415 | } |
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416 | |
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417 | rc = test_call8(); |
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418 | if (!EFI_ERROR(rc)) { |
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419 | Print(L"8 args works just fine here.\r\n"); |
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420 | } else { |
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421 | Print(L"8 args failed: 0x%016x\n", rc); |
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422 | return rc; |
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423 | } |
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424 | |
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425 | rc = test_call9(); |
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426 | if (!EFI_ERROR(rc)) { |
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427 | Print(L"9 args works just fine here.\r\n"); |
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428 | } else { |
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429 | Print(L"9 args failed: 0x%016x\n", rc); |
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430 | return rc; |
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431 | } |
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432 | |
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433 | rc = test_call10(); |
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434 | if (!EFI_ERROR(rc)) { |
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435 | Print(L"10 args works just fine here.\r\n"); |
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436 | } else { |
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437 | Print(L"10 args failed: 0x%016x\n", rc); |
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438 | return rc; |
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439 | } |
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440 | |
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441 | return rc; |
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442 | } |
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