drakx - Mageia Installer and base platform for many utilities

diff options

Diffstat (limited to 'perl-install/partition_table.pm')

-rw-r--r--

1 files changed, 1 insertions, 2 deletions

#include <sys/types.h> #include <sys/io.h> #include <sys/mman.h> #include <netinet/in.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <assert.h> #include <limits.h> #include <ctype.h> #include "lrmi.h" #include "vesamode.h" #include "vbe.h" #ident "$Id$" /* Return information about a particular video mode. */ struct vbe_mode_info *vbe_get_mode_info(u_int16_t mode) { struct LRMI_regs regs; char *mem; struct vbe_mode_info *ret = NULL; /* Initialize LRMI. */ if(LRMI_init() == 0) { return NULL; } /* Allocate a chunk of memory. */ mem = LRMI_alloc_real(sizeof(struct vbe_mode_info)); if(mem == NULL) { return NULL; } memset(mem, 0, sizeof(struct vbe_mode_info)); memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f01; regs.ecx = mode; regs.es = ((u_int32_t)mem) >> 4; regs.edi = ((u_int32_t)mem) & 0x0f; /* Do it. */ iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { LRMI_free_real(mem); return NULL; } /* Check for successful return. */ if((regs.eax & 0xffff) != 0x004f) { LRMI_free_real(mem); return NULL; } /* Get memory for return. */ ret = malloc(sizeof(struct vbe_mode_info)); if(ret == NULL) { LRMI_free_real(mem); return NULL; } /* Copy the buffer for return. */ memcpy(ret, mem, sizeof(struct vbe_mode_info)); /* Clean up and return. */ LRMI_free_real(mem); return ret; } /* Get VBE info. */ struct vbe_info *vbe_get_vbe_info() { struct LRMI_regs regs; unsigned char *mem; struct vbe_info *ret = NULL; int i; /* Initialize LRMI. */ if(LRMI_init() == 0) { return NULL; } /* Allocate a chunk of memory. */ mem = LRMI_alloc_real(sizeof(struct vbe_mode_info)); if(mem == NULL) { return NULL; } memset(mem, 0, sizeof(struct vbe_mode_info)); /* Set up registers for the interrupt call. */ memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f00; regs.es = ((u_int32_t)mem) >> 4; regs.edi = ((u_int32_t)mem) & 0x0f; memcpy(mem, "VBE2", 4); /* Do it. */ iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { LRMI_free_real(mem); return NULL; } /* Check for successful return code. */ if((regs.eax & 0xffff) != 0x004f) { LRMI_free_real(mem); return NULL; } /* Get memory to return the information. */ ret = malloc(sizeof(struct vbe_info)); if(ret == NULL) { LRMI_free_real(mem); return NULL; } memcpy(ret, mem, sizeof(struct vbe_info)); /* Set up pointers to usable memory. */ ret->mode_list.list = (u_int16_t*) ((ret->mode_list.addr.seg << 4) + (ret->mode_list.addr.ofs)); ret->oem_name.string = (char*) ((ret->oem_name.addr.seg << 4) + (ret->oem_name.addr.ofs)); /* Snip, snip. */ mem = strdup(ret->oem_name.string); /* leak */ while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) { mem[i - 1] = '\0'; } ret->oem_name.string = mem; /* Set up pointers for VESA 3.0+ strings. */ if(ret->version[1] >= 3) { /* Vendor name. */ ret->vendor_name.string = (char*) ((ret->vendor_name.addr.seg << 4) + (ret->vendor_name.addr.ofs)); mem = strdup(ret->vendor_name.string); /* leak */ while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) { mem[i - 1] = '\0'; } ret->vendor_name.string = mem; /* Product name. */ ret->product_name.string = (char*) ((ret->product_name.addr.seg << 4) + (ret->product_name.addr.ofs)); mem = strdup(ret->product_name.string); /* leak */ while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) { mem[i - 1] = '\0'; } ret->product_name.string = mem; /* Product revision. */ ret->product_revision.string = (char*) ((ret->product_revision.addr.seg << 4) + (ret->product_revision.addr.ofs)); mem = strdup(ret->product_revision.string); /* leak */ while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) { mem[i - 1] = '\0'; } ret->product_revision.string = mem; } /* Cleanup. */ LRMI_free_real(mem); return ret; } /* Check if EDID queries are suorted. */ int vbe_get_edid_supported() { struct LRMI_regs regs; int ret = 0; /* Initialize LRMI. */ if(LRMI_init() == 0) { return 0; } memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f15; regs.ebx = 0x0000; regs.es = 0x3000; regs.edi = 0x3000; /* Do it. */ iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { return 0; } /* Check for successful return. */ if((regs.eax & 0xff) == 0x4f) { /* Supported. */ ret = 1; } else { /* Not supported. */ ret = 0; } /* Clean up and return. */ return ret; } /* Get EDID info. */ struct vbe_edid1_info *vbe_get_edid_info() { struct LRMI_regs regs; unsigned char *mem; struct vbe_edid1_info *ret = NULL; u_int16_t man; /* Initialize LRMI. */ if(LRMI_init() == 0) { return NULL; } /* Allocate a chunk of memory. */ mem = LRMI_alloc_real(sizeof(struct vbe_edid1_info)); if(mem == NULL) { return NULL; } memset(mem, 0, sizeof(struct vbe_edid1_info)); memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f15; regs.ebx = 0x0001; regs.es = ((u_int32_t)mem) >> 4; regs.edi = ((u_int32_t)mem) & 0x0f; /* Do it. */ iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { LRMI_free_real(mem); return NULL; } #if 0 /* Check for successful return. */ if((regs.eax & 0xffff) != 0x004f) { LRMI_free_real(mem); return NULL; } #elseif /* Check for successful return. */ if((regs.eax & 0xff) != 0x4f) { LRMI_free_real(mem); return NULL; } #endif /* Get memory for return. */ ret = malloc(sizeof(struct vbe_edid1_info)); if(ret == NULL) { LRMI_free_real(mem); return NULL; } /* Copy the buffer for return. */ memcpy(ret, mem, sizeof(struct vbe_edid1_info)); memcpy(&man, &ret->manufacturer_name, 2); man = ntohs(man); memcpy(&ret->manufacturer_name, &man, 2); LRMI_free_real(mem); return ret; } /* Figure out what the current video mode is. */ int32_t vbe_get_mode() { struct LRMI_regs regs; int32_t ret = -1; /* Initialize LRMI. */ if(LRMI_init() == 0) { return -1; } memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f03; /* Do it. */ iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { return -1; } /* Save the returned value. */ if((regs.eax & 0xffff) == 0x004f) { ret = regs.ebx & 0xffff; } else { ret = -1; } /* Clean up and return. */ return ret; } /* Set the video mode. */ void vbe_set_mode(u_int16_t mode) { struct LRMI_regs regs; /* Initialize LRMI. */ if(LRMI_init() == 0) { return; } memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f02; regs.ebx = mode; /* Do it. */ iopl(3); ioperm(0, 0x400, 1); LRMI_int(0x10, &regs); /* Return. */ return; } /* Just read ranges from the EDID. */ void vbe_get_edid_ranges(struct vbe_edid1_info *edid, unsigned char *hmin, unsigned char *hmax, unsigned char *vmin, unsigned char *vmax) { struct vbe_edid_monitor_descriptor *monitor; int i; *hmin = *hmax = *vmin = *vmax = 0; for(i = 0; i < 4; i++) { monitor = &edid->monitor_details.monitor_descriptor[i]; if(monitor->type == vbe_edid_monitor_descriptor_range) { *hmin = monitor->data.range_data.horizontal_min; *hmax = monitor->data.range_data.horizontal_max; *vmin = monitor->data.range_data.vertical_min; *vmax = monitor->data.range_data.vertical_max; } } } static int compare_vbe_modelines(const void *m1, const void *m2) { const struct vbe_modeline *M1 = (const struct vbe_modeline*) m1; const struct vbe_modeline *M2 = (const struct vbe_modeline*) m2; if(M1->width < M2->width) return -1; if(M1->width > M2->width) return 1; return 0; } struct vbe_modeline *vbe_get_edid_modelines() { struct vbe_edid1_info *edid; struct vbe_modeline *ret; char buf[LINE_MAX]; int modeline_count = 0, i, j; if((edid = vbe_get_edid_info()) == NULL) { return NULL; } memcpy(buf, &edid->established_timings, sizeof(edid->established_timings)); for(i = 0; i < (8 * sizeof(edid->established_timings)); i++) { if(buf[i / 8] & (1 << (i % 8))) { modeline_count++; } } /* Count the number of standard timings. */ for(i = 0; i < 8; i++) { int x, v; x = edid->standard_timing[i].xresolution; v = edid->standard_timing[i].vfreq; if(((edid->standard_timing[i].xresolution & 0x01) != x) && ((edid->standard_timing[i].vfreq & 0x01) != v)) { modeline_count++; } } ret = malloc(sizeof(struct vbe_modeline) * (modeline_count + 1)); if(ret == NULL) { return NULL; } memset(ret, 0, sizeof(struct vbe_modeline) * (modeline_count + 1)); modeline_count = 0; /* Fill out established timings. */ if(edid->established_timings.timing_720x400_70) { ret[modeline_count].width = 720; ret[modeline_count].height = 400; ret[modeline_count].refresh = 70; modeline_count++; } if(edid->established_timings.timing_720x400_88) { ret[modeline_count].width = 720; ret[modeline_count].height = 400; ret[modeline_count].refresh = 88; modeline_count++; } if(edid->established_timings.timing_640x480_60) { ret[modeline_count].width = 640; ret[modeline_count].height = 480; ret[modeline_count].refresh = 60; modeline_count++; } if(edid->established_timings.timing_640x480_67) { ret[modeline_count].width = 640; ret[modeline_count].height = 480; ret[modeline_count].refresh = 67; modeline_count++; } if(edid->established_timings.timing_640x480_72) { ret[modeline_count].width = 640; ret[modeline_count].height = 480; ret[modeline_count].refresh = 72; modeline_count++; } if(edid->established_timings.timing_640x480_75) { ret[modeline_count].width = 640; ret[modeline_count].height = 480; ret[modeline_count].refresh = 75; modeline_count++; } if(edid->established_timings.timing_800x600_56) { ret[modeline_count].width = 800; ret[modeline_count].height = 600; ret[modeline_count].refresh = 56; modeline_count++; } if(edid->established_timings.timing_800x600_60) { ret[modeline_count].width = 800; ret[modeline_count].height = 600; ret[modeline_count].refresh = 60; modeline_count++; } if(edid->established_timings.timing_800x600_72) { ret[modeline_count].width = 800; ret[modeline_count].height = 600; ret[modeline_count].refresh = 72; modeline_count++; } if(edid->established_timings.timing_800x600_75) { ret[modeline_count].width = 800; ret[modeline_count].height = 600; ret[modeline_count].refresh = 75; modeline_count++; } if(edid->established_timings.timing_832x624_75) { ret[modeline_count].width = 832; ret[modeline_count].height = 624; ret[modeline_count].refresh = 75; modeline_count++; } if(edid->established_timings.timing_1024x768_87i) { ret[modeline_count].width = 1024; ret[modeline_count].height = 768; ret[modeline_count].refresh = 87; ret[modeline_count].interlaced = 1; modeline_count++; } if(edid->established_timings.timing_1024x768_60){ ret[modeline_count].width = 1024; ret[modeline_count].height = 768; ret[modeline_count].refresh = 60; modeline_count++; } if(edid->established_timings.timing_1024x768_70){ ret[modeline_count].width = 1024; ret[modeline_count].height = 768; ret[modeline_count].refresh = 70; modeline_count++; } if(edid->established_timings.timing_1024x768_75){ ret[modeline_count].width = 1024; ret[modeline_count].height = 768; ret[modeline_count].refresh = 75; modeline_count++; } if(edid->established_timings.timing_1280x1024_75) { ret[modeline_count].width = 1280; ret[modeline_count].height = 1024; ret[modeline_count].refresh = 75; modeline_count++; } /* Add in standard timings. */ for(i = 0; i < 8; i++) { float aspect = 1; int x, v; x = edid->standard_timing[i].xresolution; v = edid->standard_timing[i].vfreq; if(((edid->standard_timing[i].xresolution & 0x01) != x) && ((edid->standard_timing[i].vfreq & 0x01) != v)) { switch(edid->standard_timing[i].aspect) { case aspect_75: aspect = 0.7500; break; case aspect_8: aspect = 0.8000; break; case aspect_5625: aspect = 0.5625; break; default: aspect = 1; break; } x = (edid->standard_timing[i].xresolution + 31) * 8; ret[modeline_count].width = x; ret[modeline_count].height = x * aspect; ret[modeline_count].refresh = edid->standard_timing[i].vfreq + 60; modeline_count++; } } /* Now tack on any matching modelines. */ for(i = 0; ret[i].refresh != 0; i++) { struct vesa_timing_t *t = NULL; for(j = 0; known_vesa_timings[j].refresh != 0; j++) { t = &known_vesa_timings[j]; if(ret[i].width == t->x) if(ret[i].height == t->y) if(ret[i].refresh == t->refresh) { snprintf(buf, sizeof(buf), "ModeLine \"%dx%d\"\t%6.2f " "%4d %4d %4d %4d %4d %4d %4d %4d %s %s" , t->x, t->y, t->dotclock, t->timings[0], t->timings[0] + t->timings[1], t->timings[0] + t->timings[1] + t->timings[2], t->timings[0] + t->timings[1] + t->timings[2] + t->timings[3], t->timings[4], t->timings[4] + t->timings[5], t->timings[4] + t->timings[5] + t->timings[6], t->timings[4] + t->timings[5] + t->timings[6] + t->timings[7], t->hsync == hsync_pos ? "+hsync" : "-hsync", t->vsync == vsync_pos ? "+vsync" : "-vsync"); ret[i].modeline = strdup(buf); ret[i].hfreq = t->hfreq; ret[i].vfreq = t->vfreq; } } } modeline_count = 0; for(i = 0; ret[i].refresh != 0; i++) { modeline_count++; } qsort(ret, modeline_count, sizeof(ret[0]), compare_vbe_modelines); return ret; } const void *vbe_save_svga_state() { struct LRMI_regs regs; unsigned char *mem; u_int16_t block_size; void *data; /* Initialize LRMI. */ if(LRMI_init() == 0) { return NULL; } memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f04; regs.ecx = 0xffff; regs.edx = 0; iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { return NULL; } if((regs.eax & 0xff) != 0x4f) { fprintf(stderr, "Get SuperVGA Video State not supported.\n"); return NULL; } if((regs.eax & 0xffff) != 0x004f) { fprintf(stderr, "Get SuperVGA Video State Info failed.\n"); return NULL; } block_size = 64 * (regs.ebx & 0xffff); /* Allocate a chunk of memory. */ mem = LRMI_alloc_real(block_size); if(mem == NULL) { return NULL; } memset(mem, 0, sizeof(block_size)); memset(&regs, 0, sizeof(regs)); regs.eax = 0x4f04; regs.ecx = 0x000f; regs.edx = 0x0001; regs.es = ((u_int32_t)mem) >> 4; regs.ebx = ((u_int32_t)mem) & 0x0f; memset(mem, 0, block_size); iopl(3); ioperm(0, 0x400, 1); if(LRMI_int(0x10, &regs) == 0) { LRMI_free_real(mem); return NULL; } if((regs.eax & 0xffff) != 0x004f) { fprintf(stderr, "Get SuperVGA Video State Save failed.\n"); return NULL; } data = malloc(block_size); if(data == NULL) { LRMI_free_real(mem); return NULL; } /* Clean up and return. */ memcpy(data, mem, block_size); LRMI_free_real(mem); return data; } void vbe_restore_svga_state(const void *state) { struct LRMI_regs regs; unsigned char *mem; u_int16_t block_size; /* Initialize LRMI. */ if(LRMI_init() == 0) { return; }


context:
space:
mode: