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VAX: 2681 UART: implement ACR and IPR

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Sergey Svishchev 2016-05-13 23:05:33 +03:00 • committed by Mark Pizzolato
parent ba4b951bd6
commit 504bc7c61f
2 changed files with 18 additions and 1 deletions
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16
VAX/vax_2681.c
View file

@ -128,6 +128,10 @@ switch (rg) {
ua2681_update_txi (ctx); ua2681_update_txi (ctx);
break; break;
case 4: /* auxiliary control */
ctx->acr = data & 0xFF;
break;
case 5: /* interrupt status/mask */ case 5: /* interrupt status/mask */
ctx->imask = data & 0xFF; ctx->imask = data & 0xFF;
break; break;
@ -259,6 +263,10 @@ switch (rg) {
ua2681_update_rxi (ctx); ua2681_update_rxi (ctx);
break; break;
case 13: /* input port */
data = ctx->iport;
break;
default: /* NI */ default: /* NI */
data = 0; data = 0;
break; break;
@ -387,6 +395,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f; ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f); ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x10; ctx->ipcr |= 0x10;
if (ctx->acr & 0x01)
ctx->ists |= ISTS_IPC;
} }
ctx->iport = new_val; ctx->iport = new_val;
@ -400,6 +410,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f; ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f); ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x20; ctx->ipcr |= 0x20;
if (ctx->acr & 0x02)
ctx->ists |= ISTS_IPC;
} }
ctx->iport = new_val; ctx->iport = new_val;
@ -413,6 +425,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f; ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f); ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x40; ctx->ipcr |= 0x40;
if (ctx->acr & 0x04)
ctx->ists |= ISTS_IPC;
} }
ctx->iport = new_val; ctx->iport = new_val;
@ -426,6 +440,8 @@ if (new_val != ctx->iport) {
ctx->ipcr &= ~0x0f; ctx->ipcr &= ~0x0f;
ctx->ipcr |= (new_val & 0x0f); ctx->ipcr |= (new_val & 0x0f);
ctx->ipcr |= 0x80; ctx->ipcr |= 0x80;
if (ctx->acr & 0x08)
ctx->ists |= ISTS_IPC;
} }
ctx->iport = new_val; ctx->iport = new_val;

1
VAX/vax_2681.h
View file

@ -52,6 +52,7 @@ struct uart2681_t {
uint8 ipcr; uint8 ipcr;
uint8 oport; uint8 oport;
uint8 opcr; uint8 opcr;
uint8 acr;
}; };
typedef struct uart2681_t UART2681; typedef struct uart2681_t UART2681;