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pcnet: Move BCR defines to header 

This moves BCR defines to the common header and immediately makes use of
them to add BCR_APROMWE, replacing the open-coded write check in
pcnet_aprom_writeb.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2011-09-26 19:01:44 +02:00 committed by Anthony Liguori
parent 816f89256e
commit 488a1a5dfe
3 changed files with 21 additions and 20 deletions
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4
hw/pcnet-pci.c
View File

@ -56,9 +56,9 @@ static void pcnet_aprom_writeb(void *opaque, uint32_t addr, uint32_t val)
#ifdef PCNET_DEBUG
printf("pcnet_aprom_writeb addr=0x%08x val=0x%02x\n", addr, val);
#endif
/* Check APROMWE bit to enable write access */
if (pcnet_bcr_readw(s,2) & 0x100)
if (BCR_APROMWE(s)) {
s->prom[addr & 15] = val;
}
}
static uint32_t pcnet_aprom_readb(void *opaque, uint32_t addr)

18
hw/pcnet.c
View File

@ -58,24 +58,6 @@ struct qemu_ether_header {
uint16_t ether_type;
};
/* BUS CONFIGURATION REGISTERS */
#define BCR_MSRDA 0
#define BCR_MSWRA 1
#define BCR_MC 2
#define BCR_LNKST 4
#define BCR_LED1 5
#define BCR_LED2 6
#define BCR_LED3 7
#define BCR_FDC 9
#define BCR_BSBC 18
#define BCR_EECAS 19
#define BCR_SWS 20
#define BCR_PLAT 22
#define BCR_DWIO(S) !!((S)->bcr[BCR_BSBC] & 0x0080)
#define BCR_SSIZE32(S) !!((S)->bcr[BCR_SWS ] & 0x0100)
#define BCR_SWSTYLE(S) ((S)->bcr[BCR_SWS ] & 0x00FF)
#define CSR_INIT(S) !!(((S)->csr[0])&0x0001)
#define CSR_STRT(S) !!(((S)->csr[0])&0x0002)
#define CSR_STOP(S) !!(((S)->csr[0])&0x0004)

19
hw/pcnet.h
View File

@ -6,6 +6,25 @@
#include "memory.h"
/* BUS CONFIGURATION REGISTERS */
#define BCR_MSRDA 0
#define BCR_MSWRA 1
#define BCR_MC 2
#define BCR_LNKST 4
#define BCR_LED1 5
#define BCR_LED2 6
#define BCR_LED3 7
#define BCR_FDC 9
#define BCR_BSBC 18
#define BCR_EECAS 19
#define BCR_SWS 20
#define BCR_PLAT 22
#define BCR_APROMWE(S) !!((S)->bcr[BCR_MC ] & 0x0100)
#define BCR_DWIO(S) !!((S)->bcr[BCR_BSBC] & 0x0080)
#define BCR_SSIZE32(S) !!((S)->bcr[BCR_SWS ] & 0x0100)
#define BCR_SWSTYLE(S) ((S)->bcr[BCR_SWS ] & 0x00FF)
typedef struct PCNetState_st PCNetState;
struct PCNetState_st {