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20000317 sourceware import

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This commit is contained in:
Ranjith Kumaran
2000-03-17 22:48:54 +00:00
parent fae4c299f1
commit 03261851a1
420 changed files with 66815 additions and 0 deletions
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47
libgloss/sparc/erc32-io.c Normal file
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#define USE_PORT_A
#define RXADATA (int *) 0x01F800E0
#define RXBDATA (int *) 0x01F800E4
#define RXSTAT (int *) 0x01F800E8
void
outbyte (int c)
{
volatile int *rxstat;
volatile int *rxadata;
int rxmask;
rxstat = RXSTAT;
#ifdef USE_PORT_A
rxadata = RXADATA;
rxmask = 6;
#else
rxadata = RXBDATA;
rxmask = 0x60000;
#endif
while ((*rxstat & rxmask) == 0);
*rxadata = c;
}
int
inbyte (void)
{
volatile int *rxstat;
volatile int *rxadata;
int rxmask;
rxstat = RXSTAT;
#ifdef USE_PORT_A
rxadata = RXADATA;
rxmask = 1;
#else
rxadata = RXBDATA;
rxmask = 0x10000;
#endif
while ((*rxstat & rxmask) == 0);
return *rxadata;
}