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Changes in v1.7.11 (12/05/2002) (brianp)

Browse source 
- Added memory map count to GetBiosMemoryMap() so that
  it doesn't just assume the size of the array.
- Fix so that we use the continuation value that
  the BIOS returns.

svn path=/trunk/; revision=3823
This commit is contained in:
Brian Palmer 2002-12-06 04:00:41 +00:00
parent f1592aa69f
commit f54c214e8e
7 changed files with 18 additions and 10 deletions
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7
freeldr/freeldr/CHANGELOG
View file

@ -1,3 +1,10 @@
Changes in v1.7.11 (12/05/2002) (brianp)
- Added memory map count to GetBiosMemoryMap() so that
it doesn't just assume the size of the array.
- Fix so that we use the continuation value that
the BIOS returns.
Changes in v1.7.10 (11/24/2002) (brianp)
- Added assembler versions of memcmp() memcpy() memset()

9
freeldr/freeldr/arch/i386/i386mem.c
View file

@ -136,7 +136,7 @@ U32 GetConventionalMemorySize(VOID)
return (U32)Regs.w.ax;
}
U32 GetBiosMemoryMap(BIOS_MEMORY_MAP BiosMemoryMap[32])
U32 GetBiosMemoryMap(PBIOS_MEMORY_MAP BiosMemoryMap, U32 MaxMemoryMapSize)
{
REGS Regs;
U32 MapCount;
@ -166,7 +166,7 @@ U32 GetBiosMemoryMap(BIOS_MEMORY_MAP BiosMemoryMap[32])
Regs.x.ecx = sizeof(BIOS_MEMORY_MAP);
Regs.w.es = BIOSCALLBUFSEGMENT;
Regs.w.di = BIOSCALLBUFOFFSET;
for (MapCount=0; MapCount<32; MapCount++)
for (MapCount=0; MapCount<MaxMemoryMapSize; MapCount++)
{
Int386(0x15, &Regs, &Regs);
@ -202,10 +202,11 @@ U32 GetBiosMemoryMap(BIOS_MEMORY_MAP BiosMemoryMap[32])
DbgPrint((DPRINT_MEMORY, "End Of System Memory Map!\n\n"));
break;
}
// setup the register for the next call
// Setup the registers for the next call
Regs.x.eax = 0x0000E820;
Regs.x.edx = 0x534D4150; // ('SMAP')
Regs.x.ebx = 0x00000001;
//Regs.x.ebx = 0x00000001; // Continuation value already set by the BIOS
Regs.x.ecx = sizeof(BIOS_MEMORY_MAP);
Regs.w.es = BIOSCALLBUFSEGMENT;
Regs.w.di = BIOSCALLBUFOFFSET;

2
freeldr/freeldr/include/mm.h
View file

@ -41,7 +41,7 @@ U32 GetSystemMemorySize(VOID); // Returns the amount of total memory in
// These functions are implemented in mem.S
U32 GetExtendedMemorySize(VOID); // Returns extended memory size in KB
U32 GetConventionalMemorySize(VOID); // Returns conventional memory size in KB
U32 GetBiosMemoryMap(BIOS_MEMORY_MAP BiosMemoryMap[32]); // Fills structure with BIOS memory map and returns memory map item count
U32 GetBiosMemoryMap(PBIOS_MEMORY_MAP BiosMemoryMap, U32 MaxMemoryMapSize); // Fills structure with BIOS memory map and returns memory map item count

4
freeldr/freeldr/include/version.h
View file

@ -22,7 +22,7 @@
/* just some stuff */
#define VERSION "FreeLoader v1.7.9"
#define VERSION "FreeLoader v1.7.11"
#define COPYRIGHT "Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>"
#define AUTHOR_EMAIL "<brianp@sginet.com>"
#define BY_AUTHOR "by Brian Palmer"
@ -36,7 +36,7 @@
//
#define FREELOADER_MAJOR_VERSION 1
#define FREELOADER_MINOR_VERSION 7
#define FREELOADER_PATCH_VERSION 9
#define FREELOADER_PATCH_VERSION 11
PUCHAR GetFreeLoaderVersionString(VOID);

2
freeldr/freeldr/mm/meminit.c
View file

@ -63,7 +63,7 @@ BOOL MmInitializeMemoryManager(VOID)
RtlZeroMemory(BiosMemoryMap, sizeof(BIOS_MEMORY_MAP) * 32);
BiosMemoryMapEntryCount = GetBiosMemoryMap(BiosMemoryMap);
BiosMemoryMapEntryCount = GetBiosMemoryMap(BiosMemoryMap, 32);
ExtendedMemorySize = GetExtendedMemorySize();
ConventionalMemorySize = GetConventionalMemorySize();

2
freeldr/freeldr/reactos/reactos.c
View file

@ -464,7 +464,7 @@ LoadAndBootReactOS(PUCHAR OperatingSystemName)
mb_info.cmdline = (unsigned long)multiboot_kernel_cmdline;
mb_info.mods_count = 0;
mb_info.mods_addr = (unsigned long)multiboot_modules;
mb_info.mmap_length = (unsigned long)GetBiosMemoryMap((PBIOS_MEMORY_MAP)&multiboot_memory_map) * sizeof(memory_map_t);
mb_info.mmap_length = (unsigned long)GetBiosMemoryMap((PBIOS_MEMORY_MAP)&multiboot_memory_map, 32) * sizeof(memory_map_t);
if (mb_info.mmap_length)
{
mb_info.mmap_addr = (unsigned long)&multiboot_memory_map;

2
freeldr/freeldr/reactos/setupldr.c
View file

@ -109,7 +109,7 @@ VOID RunLoader(VOID)
mb_info.cmdline = (unsigned long)multiboot_kernel_cmdline;
mb_info.mods_count = 0;
mb_info.mods_addr = (unsigned long)multiboot_modules;
mb_info.mmap_length = (unsigned long)GetBiosMemoryMap((PBIOS_MEMORY_MAP)&multiboot_memory_map) * sizeof(memory_map_t);
mb_info.mmap_length = (unsigned long)GetBiosMemoryMap((PBIOS_MEMORY_MAP)&multiboot_memory_map, 32) * sizeof(memory_map_t);
if (mb_info.mmap_length)
{
mb_info.mmap_addr = (unsigned long)&multiboot_memory_map;