diff options
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/com32/modules/meminfo.c')
-rw-r--r-- | contrib/syslinux/syslinux-4.03/com32/modules/meminfo.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/modules/meminfo.c b/contrib/syslinux/syslinux-4.03/com32/modules/meminfo.c deleted file mode 100644 index 6e24f35..0000000 --- a/contrib/syslinux/syslinux-4.03/com32/modules/meminfo.c +++ /dev/null @@ -1,126 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2008 H. Peter Anvin - All Rights Reserved - * Copyright 2009 Intel Corporation; author: H. Peter Anvin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, - * Boston MA 02110-1301, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * meminfo.c - * - * Dump the memory map of the system - */ -#include <inttypes.h> -#include <stdio.h> -#include <string.h> -#include <console.h> -#include <com32.h> - -struct e820_data { - uint64_t base; - uint64_t len; - uint32_t type; - uint32_t extattr; -} __attribute__ ((packed)); - -static const char *const e820_types[] = { - "usable", - "reserved", - "ACPI reclaim", - "ACPI NVS", - "unusable", -}; - -static void dump_e820(void) -{ - com32sys_t ireg, oreg; - struct e820_data ed; - uint32_t type; - - memset(&ireg, 0, sizeof ireg); - - ireg.eax.w[0] = 0xe820; - ireg.edx.l = 0x534d4150; - ireg.ecx.l = sizeof(struct e820_data); - ireg.edi.w[0] = OFFS(__com32.cs_bounce); - ireg.es = SEG(__com32.cs_bounce); - - memset(&ed, 0, sizeof ed); - ed.extattr = 1; - - do { - memcpy(__com32.cs_bounce, &ed, sizeof ed); - - __intcall(0x15, &ireg, &oreg); - if (oreg.eflags.l & EFLAGS_CF || - oreg.eax.l != 0x534d4150 || oreg.ecx.l < 20) - break; - - memcpy(&ed, __com32.cs_bounce, sizeof ed); - - if (oreg.ecx.l >= 24) { - /* ebx base length end type */ - printf("%8x %016llx %016llx %016llx %d [%x]", - ireg.ebx.l, ed.base, ed.len, ed.base + ed.len, ed.type, - ed.extattr); - } else { - /* ebx base length end */ - printf("%8x %016llx %016llx %016llx %d [-]", - ireg.ebx.l, ed.base, ed.len, ed.base + ed.len, ed.type); - ed.extattr = 1; - } - - type = ed.type - 1; - if (type < sizeof(e820_types) / sizeof(e820_types[0])) - printf(" %s", e820_types[type]); - - putchar('\n'); - - ireg.ebx.l = oreg.ebx.l; - } while (ireg.ebx.l); -} - -static void dump_legacy(void) -{ - com32sys_t ireg, oreg; - uint16_t dosram = *(uint16_t *) 0x413; - struct { - uint16_t offs, seg; - } *const ivt = (void *)0; - - memset(&ireg, 0, sizeof ireg); - - __intcall(0x12, &ireg, &oreg); - - printf - ("INT 15h = %04x:%04x DOS RAM: %dK (0x%05x) INT 12h: %dK (0x%05x)\n", - ivt[0x15].seg, ivt[0x15].offs, dosram, dosram << 10, oreg.eax.w[0], - oreg.eax.w[0] << 10); - - ireg.eax.b[1] = 0x88; - __intcall(0x15, &ireg, &oreg); - - printf("INT 15 88: 0x%04x (%uK) ", oreg.eax.w[0], oreg.eax.w[0]); - - ireg.eax.w[0] = 0xe801; - __intcall(0x15, &ireg, &oreg); - - printf("INT 15 E801: 0x%04x (%uK) 0x%04x (%uK)\n", - oreg.ecx.w[0], oreg.ecx.w[0], oreg.edx.w[0], oreg.edx.w[0] << 6); -} - -int main(void) -{ - openconsole(&dev_null_r, &dev_stdcon_w); - - dump_legacy(); - dump_e820(); - - return 0; -} |