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RTL8019AS: Implement active low IRQ mode, fixes RSET8019 IRQ detection.

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OBattler
2025-09-26 05:06:06 +02:00
parent d478eaf21f
commit 086f955e7e
1 changed files with 11 additions and 0 deletions
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11
src/network/net_ne2000.c
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@@ -113,6 +113,7 @@ typedef struct nic_t {
int is_mca;
int is_8bit;
int base_irq;
int irq_level;
int has_bios;
uint32_t base_address;
@@ -154,6 +155,9 @@ nic_interrupt(void *priv, int set)
nic_t *dev = (nic_t *) priv;
int enabled = 1;
if (dev->irq_level)
set ^= 1;
if (dev->board == NE2K_RTL8019AS_PNP)
enabled = dev->config1 & 0x80;
@@ -183,6 +187,7 @@ nic_config_reset(void *priv)
dev->config1 = (data[0x00] & 0x7f) | 0x80;
dev->config2 = (data[0x01] & 0xdf);
dev->config3 = (data[0x02] & 0xf7);
dev->irq_level = 0x02;
if (dev->pnp_card != NULL)
isapnp_set_normal(dev->pnp_card, !!(dev->config3 & 0x80));
@@ -200,6 +205,8 @@ nic_reset(void *priv)
if (dev->board >= NE2K_RTL8019AS_PNP)
nic_config_reset(priv);
else
dev->irq_level = 0x02;
}
static void
@@ -211,6 +218,8 @@ nic_soft_reset(void *priv)
if (dev->board >= NE2K_RTL8019AS_PNP)
nic_config_reset(priv);
else
dev->irq_level = 0x02;
}
/*
@@ -640,8 +649,10 @@ nic_pnp_config_changed(uint8_t ld, isapnp_device_config_t *config, void *priv)
dev->base_address = config->io[0].base;
dev->irq_level = 0x02;
nic_interrupt(dev, 0);
dev->base_irq = config->irq[0].irq;
dev->irq_level = config->irq[0].level;
if ((dev->base_irq >= 0x00) && (dev->base_irq <= 0x0f))
dev->config1 = (dev->config1 & 0x8f) | irq_map[dev->base_irq];
else