i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implemented first basic APM driver. Only tested with QEMU so far, that's why

Browse Source 
it's currently disabled.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16120 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-01-28 18:11:20 +00:00
parent bfb4078864
commit afd6dfc8b4
13 changed files with 316 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/system/boot/platform/bios_ia32/Jamfile
+7 -1
View File
@@ -6,7 +6,13 @@ UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
UsePrivateHeaders [ FDirName graphics vesa ] ;
UsePrivateHeaders [ FDirName storage ] ;
SubDirC++Flags -fno-rtti ;
{
local defines = _BOOT_MODE ;
defines = [ FDefines $(defines) ] ;
SubDirCcFlags $(defines) -Wall -Wno-multichar ;
SubDirC++Flags $(defines) -Wall -Wno-multichar -fno-rtti ;
}
KernelMergeObject boot_platform_bios_ia32.o :
shell.S
src/system/boot/platform/bios_ia32/apm.cpp
+4 -7
View File
@@ -20,12 +20,6 @@
#endif
// int 0x15 APM definitions
#define BIOS_APM_CHECK 0x5300
#define BIOS_APM_CONNECT_32_BIT 0x5303
#define BIOS_APM_DISCONNECT 0x5304
status_t
apm_init(void)
{
@@ -68,8 +62,11 @@ apm_init(void)
regs.eax = BIOS_APM_CONNECT_32_BIT;
regs.ebx = 0;
call_bios(0x15, &regs);
if ((regs.flags & CARRY_FLAG) != 0)
if ((regs.flags & CARRY_FLAG) != 0) {
// reset the version, so that the kernel won't try to use APM
info.version = 0;
return B_ERROR;
}
info.code32_segment_base = regs.eax & 0xffff;
info.code32_segment_offset = regs.ebx;