/* * (C) 2003 Bruno Ducrot * (C) 2004 Dominik Brodowski <linux@dominikbrodowski.de> * * Licensed under the terms of the GNU GPL License version 2. * * Based on code found in * linux/include/asm-i386/ist.h and linux/arch/i386/kernel/setup.c * and originally developed by Andy Grover <andrew.grover@intel.com> */ #include <stdio.h> #include <string.h> #include <lrmi.h> int main (void) { struct LRMI_regs r; int retval; if (!LRMI_init()) return 0; memset(&r, 0, sizeof(r)); r.eax = 0x0000E980; r.edx = 0x47534943; retval = LRMI_int(0x15, &r); if (!retval) { printf("Failed!\n"); return 0; } if (r.eax == 0x47534943) { printf("BIOS supports GSIC call:\n"); printf("\tsignature: %c%c%c%c\n", (r.eax >> 24) & 0xff, (r.eax >> 16) & 0xff, (r.eax >> 8) & 0xff, (r.eax) & 0xff); printf("\tcommand port = 0x%.4x\n", r.ebx & 0xffff); printf("\tcommand = 0x%.4x\n", (r.ebx >> 16) & 0xffff); printf("\tevent port = 0x%.8x\n", r.ecx); printf("\tflags = 0x%.8x\n", r.edx); if (((r.ebx >> 16) & 0xffff) != 0x82) { printf("non-default command value. If speedstep-smi " "doesn't work out of the box,\nyou may want to " "try out the default value by passing " "smi_cmd=0x82 to the module\n ON YOUR OWN " "RISK.\n"); } if ((r.ebx & 0xffff) != 0xb2) { printf("non-default command port. If speedstep-smi " "doesn't work out of the box,\nyou may want to " "try out the default value by passing " "smi_port=0x82 to the module\n ON YOUR OWN " "RISK.\n"); } } else { printf("BIOS DOES NOT support GSIC call. Dumping registers anyway:\n"); printf("eax = 0x%.8x\n", r.eax); printf("ebx = 0x%.8x\n", r.ebx); printf("ecx = 0x%.8x\n", r.ecx); printf("edx = 0x%.8x\n", r.edx); printf("Note also that some BIOS do not support the initial " "GSIC call, but the newer\nspeedstep-smi driver may " "work.\nFor this, you need to pass some arguments to " "the speedstep-smi driver:\n"); printf("\tsmi_cmd=0x?? smi_port=0x?? smi_sig=1\n"); printf("\nUnfortunately, you have to know what exactly are " "smi_cmd and smi_port, and this\nis system " "dependant.\n"); } return 1; } <input type='hidden' name='id' value='7286ff7fde9f963736c7e575572899d8e16b06b7'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=7286ff7fde9f963736c7e575572899d8e16b06b7'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=7286ff7fde9f963736c7e575572899d8e16b06b7'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings?id=7286ff7fde9f963736c7e575572899d8e16b06b7'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/reset?id=7286ff7fde9f963736c7e575572899d8e16b06b7'>reset</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/reset/mt8135-resets.h?id=7286ff7fde9f963736c7e575572899d8e16b06b7'>mt8135-resets.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/reset/mt8135-resets.h?id=7286ff7fde9f963736c7e575572899d8e16b06b7&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>