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-- a/checkvm/checkvm.c |
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++ b/checkvm/checkvm.c |
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Lines 79-86
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| 79 |
{ |
79 |
{ |
| 80 |
uint32 eax, ebx, ecx, edx; |
80 |
uint32 eax, ebx, ecx, edx; |
| 81 |
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81 |
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| 82 |
__asm__ volatile("inl (%%dx)" : |
82 |
__asm__ volatile( |
| 83 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
83 |
#if defined __PIC__ && !vm_x86_64 // %ebx is reserved by the compiler. |
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84 |
"xchgl %%ebx, %3 \n\t" |
| 85 |
"inl (%%dx) \n\t" |
| 86 |
"xchgl %%ebx, %3 \n\t" : |
| 87 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
| 88 |
#else |
| 89 |
"inl (%%dx)" : |
| 90 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
| 91 |
#endif |
| 84 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETVERSION), |
92 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETVERSION), |
| 85 |
"2"(BDOOR_PORT) : "memory"); |
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"2"(BDOOR_PORT) : "memory"); |
| 86 |
version[0] = eax; |
94 |
version[0] = eax; |
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Lines 96-103
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| 96 |
{ |
104 |
{ |
| 97 |
uint32 eax, ebx, ecx, edx; |
105 |
uint32 eax, ebx, ecx, edx; |
| 98 |
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106 |
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| 99 |
__asm__ volatile("inl (%%dx)" : |
107 |
__asm__ volatile( |
| 100 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
108 |
#if defined __PIC__ && !vm_x86_64 // %ebx is reserved by the compiler. |
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109 |
"xchgl %%ebx, %3 \n\t" |
| 110 |
"inl (%%dx) \n\t" |
| 111 |
"xchgl %%ebx, %3 \n\t" : |
| 112 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
| 113 |
#else |
| 114 |
"inl (%%dx)" : |
| 115 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
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#endif |
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"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETHWVERSION), |
117 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETHWVERSION), |
| 102 |
"2"(BDOOR_PORT) : "memory"); |
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"2"(BDOOR_PORT) : "memory"); |
| 103 |
*hwVersion = eax; |
119 |
*hwVersion = eax; |
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Lines 112-119
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| 112 |
{ |
128 |
{ |
| 113 |
uint32 eax, ebx, ecx, edx; |
129 |
uint32 eax, ebx, ecx, edx; |
| 114 |
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130 |
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| 115 |
__asm__ volatile("inl (%%dx)" : |
131 |
__asm__ volatile( |
| 116 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
132 |
#if defined __PIC__ && !vm_x86_64 // %ebx is reserved by the compiler. |
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133 |
"xchgl %%ebx, %3 \n\t" |
| 134 |
"inl (%%dx) \n\t" |
| 135 |
"xchgl %%ebx, %3 \n\t" : |
| 136 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
| 137 |
#else |
| 138 |
"inl (%%dx)" : |
| 139 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
| 140 |
#endif |
| 117 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETSCREENSIZE), |
141 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETSCREENSIZE), |
| 118 |
"2"(BDOOR_PORT) : "memory"); |
142 |
"2"(BDOOR_PORT) : "memory"); |
| 119 |
*screensize = eax; |
143 |
*screensize = eax; |
