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Add words "pc!" and "pc@" which allow to manipulate I/O ports. This can

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be helpful when directly fiddling with PC hardware.

Also, define "arch-i386" appropriately, as suggested by Daniel C. Sobral.
This commit is contained in:
Andrzej Bialecki 1999-01-13 21:31:50 +00:00
parent b8f96520e5
commit c82de3cb3f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42634
5 changed files with 120 additions and 0 deletions
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35
sys/boot/ficl/alpha/sysdep.c
View File

@ -13,6 +13,9 @@
#else
#include <stand.h>
#endif
#ifdef __i386__
#include <machine/cpufunc.h>
#endif
#include "ficl.h"
/*
@ -68,6 +71,38 @@ void ficlFree (void *p)
free(p);
}
#ifdef __i386__
/*
* pc! ( port# c -- )
* Store a byte to I/O port number port#
*/
void
pc_store(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=(u_char)stackPopINT32(pVM->pStack);
outb(port,c);
}
/*
* pc@ ( port# -- c )
* Fetch a byte from I/O port number port#
*/
void
pc_fetch(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=inb(port);
stackPushINT32(pVM->pStack,c);
}
#endif
/*
** Stub function for dictionary access control - does nothing
** by default, user can redefine to guarantee exclusive dict

5
sys/boot/ficl/ficl.h
View File

@ -761,6 +761,11 @@ void ficlCompileSoftCore(FICL_VM *pVM);
void constantParen(FICL_VM *pVM);
void twoConstParen(FICL_VM *pVM);
#ifdef __i386__
extern void pc_fetch(FICL_VM *pVM);
extern void pc_store(FICL_VM *pVM);
#endif
#ifdef __cplusplus
}
#endif

35
sys/boot/ficl/i386/sysdep.c
View File

@ -13,6 +13,9 @@
#else
#include <stand.h>
#endif
#ifdef __i386__
#include <machine/cpufunc.h>
#endif
#include "ficl.h"
/*
@ -68,6 +71,38 @@ void ficlFree (void *p)
free(p);
}
#ifdef __i386__
/*
* pc! ( port# c -- )
* Store a byte to I/O port number port#
*/
void
pc_store(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=(u_char)stackPopINT32(pVM->pStack);
outb(port,c);
}
/*
* pc@ ( port# -- c )
* Fetch a byte from I/O port number port#
*/
void
pc_fetch(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=inb(port);
stackPushINT32(pVM->pStack,c);
}
#endif
/*
** Stub function for dictionary access control - does nothing
** by default, user can redefine to guarantee exclusive dict

35
sys/boot/ficl/sysdep.c
View File

@ -13,6 +13,9 @@
#else
#include <stand.h>
#endif
#ifdef __i386__
#include <machine/cpufunc.h>
#endif
#include "ficl.h"
/*
@ -68,6 +71,38 @@ void ficlFree (void *p)
free(p);
}
#ifdef __i386__
/*
* pc! ( port# c -- )
* Store a byte to I/O port number port#
*/
void
pc_store(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=(u_char)stackPopINT32(pVM->pStack);
outb(port,c);
}
/*
* pc@ ( port# -- c )
* Fetch a byte from I/O port number port#
*/
void
pc_fetch(FICL_VM *pVM)
{
u_char c;
u_int32_t port;
port=stackPopUNS32(pVM->pStack);
c=inb(port);
stackPushINT32(pVM->pStack,c);
}
#endif
/*
** Stub function for dictionary access control - does nothing
** by default, user can redefine to guarantee exclusive dict

10
sys/boot/ficl/words.c
View File

@ -2758,6 +2758,9 @@ static void type(FICL_VM *pVM)
** (oops), make sure the string is null terminated. If not, copy
** and terminate it.
*/
/* XXX Uses free space on top of dictionary. Is it guaranteed
* XXX to always fit? (abial)
*/
if (cp[count] != '\0')
{
char *pDest = (char *)ficlGetDict()->here;
@ -4382,6 +4385,13 @@ void ficlCompileCore(FICL_DICT *dp)
dictAppendWord(dp, "key?", keyQuestion, FW_DEFAULT);
dictAppendWord(dp, "ms", ms, FW_DEFAULT);
dictAppendWord(dp, "seconds", pseconds, FW_DEFAULT);
#ifdef __i386__
dictAppendWord(dp, "pc!", pc_store, FW_DEFAULT);
dictAppendWord(dp, "pc@", pc_fetch, FW_DEFAULT);
ficlSetEnv("arch-i386", FICL_TRUE);
#else
ficlSetEnv("arch-i386", FICL_FALSE);
#endif
/*
** Set CORE environment query values