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Line
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-- a/checkvm/checkvm.c |
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++ b/checkvm/checkvm.c |
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Lines 79-86
getVersion(uint32 *version)
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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 |
#ifdef __x86_64__ |
| 83 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
83 |
__asm__ volatile("pushq %%rbx \n\t" |
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|
84 |
"inl (%%dx) \n\t" |
| 85 |
"movl %%ebx, %3 \n\t" |
| 86 |
"popq %%rbx \n\t" : |
| 87 |
#else |
| 88 |
__asm__ volatile("pushl %%ebx \n\t" |
| 89 |
"inl (%%dx) \n\t" |
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"movl %%ebx, %3 \n\t" |
| 91 |
"popl %%ebx \n\t" : |
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#endif |
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"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
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"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETVERSION), |
94 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETVERSION), |
| 85 |
"2"(BDOOR_PORT) : "memory"); |
95 |
"2"(BDOOR_PORT) : "memory"); |
| 86 |
version[0] = eax; |
96 |
version[0] = eax; |
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Lines 97-103
getHWVersion(uint32 *hwVersion)
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| 97 |
uint32 eax, ebx, ecx, edx; |
107 |
uint32 eax, ebx, ecx, edx; |
| 98 |
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108 |
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| 99 |
__asm__ volatile("inl (%%dx)" : |
109 |
__asm__ volatile("inl (%%dx)" : |
| 100 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
110 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
| 101 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETHWVERSION), |
111 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETHWVERSION), |
| 102 |
"2"(BDOOR_PORT) : "memory"); |
112 |
"2"(BDOOR_PORT) : "memory"); |
| 103 |
*hwVersion = eax; |
113 |
*hwVersion = eax; |
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Lines 113-119
getScreenSize(uint32 *screensize)
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| 113 |
uint32 eax, ebx, ecx, edx; |
123 |
uint32 eax, ebx, ecx, edx; |
| 114 |
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124 |
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| 115 |
__asm__ volatile("inl (%%dx)" : |
125 |
__asm__ volatile("inl (%%dx)" : |
| 116 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : |
126 |
"=a"(eax), "=c"(ecx), "=d"(edx), "=r"(ebx) : |
| 117 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETSCREENSIZE), |
127 |
"0"(BDOOR_MAGIC), "1"(BDOOR_CMD_GETSCREENSIZE), |
| 118 |
"2"(BDOOR_PORT) : "memory"); |
128 |
"2"(BDOOR_PORT) : "memory"); |
| 119 |
*screensize = eax; |
129 |
*screensize = eax; |
