Module: wine Branch: master Commit: 88746a5597c7fe098e7caf8fe3f2125560aa090c URL: https://source.winehq.org/git/wine.git/?a=commit;h=88746a5597c7fe098e7caf8fe...
Author: Alexandre Julliard julliard@winehq.org Date: Thu Mar 26 16:49:02 2020 +0100
krnl386: Get rid of DOS direct I/O support.
Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/krnl386.exe16/ioports.c | 224 ------------------------------------------- 1 file changed, 224 deletions(-)
diff --git a/dlls/krnl386.exe16/ioports.c b/dlls/krnl386.exe16/ioports.c index 20fecdec59..5efc07efc7 100644 --- a/dlls/krnl386.exe16/ioports.c +++ b/dlls/krnl386.exe16/ioports.c @@ -59,12 +59,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(int);
-#if defined(linux) && !defined(__ANDROID__) -# define DIRECT_IO_ACCESS -#else -# undef DIRECT_IO_ACCESS -#endif - static struct { WORD countmax; WORD latch; @@ -174,17 +168,6 @@ static void IO_FixCMOSCheckSum(void) TRACE("calculated hi %02x, lo %02x\n", cmosimage[0x2e], cmosimage[0x2f]); }
-#ifdef DIRECT_IO_ACCESS - -extern int iopl(int level); -static char do_direct_port_access = -1; -static char port_permissions[0x10000]; - -#define IO_READ 1 -#define IO_WRITE 2 - -#endif /* DIRECT_IO_ACCESS */ - #ifdef HAVE_PPDEV static int do_pp_port_access = -1; /* -1: uninitialized, 1: not available 0: available);*/ @@ -271,176 +254,6 @@ static WORD get_timer_val(unsigned timer) }
-/********************************************************************** - * IO_port_init - */ - -/* set_IO_permissions(int val1, int val) - * Helper function for IO_port_init - */ -#ifdef DIRECT_IO_ACCESS -static void set_IO_permissions(int val1, int val, char rw) -{ - int j; - if (val1 != -1) { - if (val == -1) val = 0x3ff; - for (j = val1; j <= val; j++) - port_permissions[j] |= rw; - - do_direct_port_access = 1; - - val1 = -1; - } else if (val != -1) { - do_direct_port_access = 1; - - port_permissions[val] |= rw; - } - -} - -/* do_IO_port_init_read_or_write(char* temp, char rw) - * Helper function for IO_port_init - */ - -static void do_IO_port_init_read_or_write(const WCHAR *str, char rw) -{ - int val, val1; - unsigned int i; - WCHAR *end; - static const WCHAR allW[] = {'a','l','l',0}; - - if (!strcmpiW(str, allW)) - { - for (i=0; i < sizeof(port_permissions); i++) - port_permissions[i] |= rw; - } - else - { - val = -1; - val1 = -1; - while (*str) - { - switch(*str) - { - case ',': - case ' ': - case '\t': - set_IO_permissions(val1, val, rw); - val1 = -1; - val = -1; - str++; - break; - case '-': - val1 = val; - if (val1 == -1) val1 = 0; - str++; - break; - default: - if (isdigitW(*str)) - { - val = strtoulW( str, &end, 0 ); - if (end == str) - { - val = -1; - str++; - } - else str = end; - } - break; - } - } - set_IO_permissions(val1, val, rw); - } -} - -static inline BYTE inb( WORD port ) -{ - BYTE b; - __asm__ __volatile__( "inb %w1,%0" : "=a" (b) : "d" (port) ); - return b; -} - -static inline WORD inw( WORD port ) -{ - WORD w; - __asm__ __volatile__( "inw %w1,%0" : "=a" (w) : "d" (port) ); - return w; -} - -static inline DWORD inl( WORD port ) -{ - DWORD dw; - __asm__ __volatile__( "inl %w1,%0" : "=a" (dw) : "d" (port) ); - return dw; -} - -static inline void outb( BYTE value, WORD port ) -{ - __asm__ __volatile__( "outb %b0,%w1" : : "a" (value), "d" (port) ); -} - -static inline void outw( WORD value, WORD port ) -{ - __asm__ __volatile__( "outw %w0,%w1" : : "a" (value), "d" (port) ); -} - -static inline void outl( DWORD value, WORD port ) -{ - __asm__ __volatile__( "outl %0,%w1" : : "a" (value), "d" (port) ); -} - -static void IO_port_init(void) -{ - char tmp[1024]; - HANDLE root, hkey; - DWORD dummy; - OBJECT_ATTRIBUTES attr; - UNICODE_STRING nameW; - - static const WCHAR portsW[] = {'S','o','f','t','w','a','r','e','\', - 'W','i','n','e','\','V','D','M','\','P','o','r','t','s',0}; - static const WCHAR readW[] = {'r','e','a','d',0}; - static const WCHAR writeW[] = {'w','r','i','t','e',0}; - - do_direct_port_access = 0; - /* Can we do that? */ - if (!iopl(3)) - { - iopl(0); - - RtlOpenCurrentUser( KEY_ALL_ACCESS, &root ); - attr.Length = sizeof(attr); - attr.RootDirectory = root; - attr.ObjectName = &nameW; - attr.Attributes = 0; - attr.SecurityDescriptor = NULL; - attr.SecurityQualityOfService = NULL; - RtlInitUnicodeString( &nameW, portsW ); - - /* @@ Wine registry key: HKCU\Software\Wine\VDM\Ports */ - if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) - { - RtlInitUnicodeString( &nameW, readW ); - if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy )) - { - WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data; - do_IO_port_init_read_or_write(str, IO_READ); - } - RtlInitUnicodeString( &nameW, writeW ); - if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy )) - { - WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data; - do_IO_port_init_read_or_write(str, IO_WRITE); - } - NtClose( hkey ); - } - NtClose( root ); - } -} - -#endif /* DIRECT_IO_ACCESS */ - - #ifdef HAVE_PPDEV
typedef struct _PPDEVICESTRUCT{ @@ -749,24 +562,6 @@ DWORD DOSVM_inport( int port, int size ) } #endif
-#ifdef DIRECT_IO_ACCESS - if (do_direct_port_access == -1) IO_port_init(); - if ((do_direct_port_access) - /* Make sure we have access to the port */ - && (port_permissions[port] & IO_READ)) - { - iopl(3); - switch(size) - { - case 1: res = inb( port ); break; - case 2: res = inw( port ); break; - case 4: res = inl( port ); break; - } - iopl(0); - return res; - } -#endif - switch (port) { case 0x40: @@ -862,25 +657,6 @@ void DOSVM_outport( int port, int size, DWORD value ) } #endif
-#ifdef DIRECT_IO_ACCESS - - if (do_direct_port_access == -1) IO_port_init(); - if ((do_direct_port_access) - /* Make sure we have access to the port */ - && (port_permissions[port] & IO_WRITE)) - { - iopl(3); - switch(size) - { - case 1: outb( LOBYTE(value), port ); break; - case 2: outw( LOWORD(value), port ); break; - case 4: outl( value, port ); break; - } - iopl(0); - return; - } -#endif - switch (port) { case 0x20:
-
Alexandre Julliard