80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

NE2000 ISA now correctly lacks 32-bit reads and writes.

Browse Source
This commit is contained in:
OBattler
2017-02-14 07:06:24 +01:00
parent 9696840525
commit 07f1e37d26
1 changed files with 42 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/ne2000.c
View File

@@ -446,6 +446,10 @@ void ne2000_write_cr(ne2000_t *ne2000, uint32_t value)
if (ne2000->IMR.rdma_inte)
{
picint(1 << ne2000->base_irq);
if (network_card_current == 1)
{
picintc(1 << ne2000->base_irq);
}
}
}
}
@@ -501,7 +505,20 @@ uint32_t ne2000_chipmem_read(ne2000_t *ne2000, uint32_t address, unsigned int io
ne2000_log("out-of-bounds chipmem read, %04X\n", address);
return (0xff);
if (network_card_current == 1)
{
switch(io_len)
{
case 1:
return 0xff;
case 2:
return 0xffff;
}
}
else
{
return (0xff);
}
}
void ne2000_chipmem_write(ne2000_t *ne2000, uint32_t address, uint32_t value, unsigned io_len)
@@ -1708,16 +1725,34 @@ uint32_t bios_mask = 0;
void ne2000_io_set(uint16_t addr, ne2000_t *ne2000)
{
old_base_addr = addr;
io_sethandler(addr, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_sethandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_sethandler(addr+0x1f, 0x0001, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
if (network_card_current == 1)
{
io_sethandler(addr, 0x0010, ne2000_readb, NULL, NULL, ne2000_writeb, NULL, NULL, ne2000);
io_sethandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, NULL, ne2000_writeb, ne2000_writew, NULL, ne2000);
io_sethandler(addr+0x1f, 0x0001, ne2000_readb, NULL, NULL, ne2000_writeb, NULL, NULL, ne2000);
}
else
{
io_sethandler(addr, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_sethandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_sethandler(addr+0x1f, 0x0001, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
}
}
void ne2000_io_remove(int16_t addr, ne2000_t *ne2000)
{
io_removehandler(addr, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_removehandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_removehandler(addr+0x1f, 0x0001, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
if (network_card_current == 1)
{
io_removehandler(addr, 0x0010, ne2000_readb, NULL, NULL, ne2000_writeb, NULL, NULL, ne2000);
io_removehandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, NULL, ne2000_writeb, ne2000_writew, NULL, ne2000);
io_removehandler(addr+0x1f, 0x0001, ne2000_readb, NULL, NULL, ne2000_writeb, NULL, NULL, ne2000);
}
else
{
io_removehandler(addr, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_removehandler(addr+0x10, 0x0010, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
io_removehandler(addr+0x1f, 0x0001, ne2000_readb, ne2000_readw, ne2000_readl, ne2000_writeb, ne2000_writew, ne2000_writel, ne2000);
}
}
uint8_t ne2000_pci_read(int func, int addr, void *p)