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Switched from polling to interrupts and in the process added a conditional

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compilation section which used CONSOLE_USE_INTERRUPTS to switch all
ports between interrupt and polled mode.
This commit is contained in:
Joel Sherrill
1998-07-15 14:04:31 +00:00
parent 437b5a7dcc
commit 30a3f76b29
2 changed files with 34 additions and 8 deletions
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21
c/src/lib/libbsp/powerpc/dmv177/console/config.c
View File

@@ -130,10 +130,23 @@ mc68681_baud_t
#define MC68681_PORT_CONFIG \ #define MC68681_PORT_CONFIG \
(MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED) (MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED)
/*
* Based on BSP configuration information decide whether to do polling IO
* or interrupt driven IO.
*/
#if (CONSOLE_USE_INTERRUPTS)
#define MC68681_FUNCTIONS &mc68681_fns
#define Z85C30_FUNCTIONS &z85c30_fns
#else
#define MC68681_FUNCTIONS &mc68681_fns_polled
#define Z85C30_FUNCTIONS &z85c30_fns_polled
#endif
console_tbl Console_Port_Tbl[] = { console_tbl Console_Port_Tbl[] = {
{ {
"/dev/com0", /* sDeviceName */ "/dev/com0", /* sDeviceName */
&mc68681_fns_polled, /* pDeviceFns */ MC68681_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -151,7 +164,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com1", /* sDeviceName */ "/dev/com1", /* sDeviceName */
&mc68681_fns_polled, /* pDeviceFns */ MC68681_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -169,7 +182,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com3", /* sDeviceName */ "/dev/com3", /* sDeviceName */
&z85c30_fns_polled, /* pDeviceFns */ Z85C30_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -187,7 +200,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com4", /* sDeviceName */ "/dev/com4", /* sDeviceName */
&z85c30_fns_polled, /* pDeviceFns */ Z85C30_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */

21
c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c
View File

@@ -130,10 +130,23 @@ mc68681_baud_t
#define MC68681_PORT_CONFIG \ #define MC68681_PORT_CONFIG \
(MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED) (MC68681_DATA_BAUD_RATE_SET_1|MC68681_XBRG_ENABLED)
/*
* Based on BSP configuration information decide whether to do polling IO
* or interrupt driven IO.
*/
#if (CONSOLE_USE_INTERRUPTS)
#define MC68681_FUNCTIONS &mc68681_fns
#define Z85C30_FUNCTIONS &z85c30_fns
#else
#define MC68681_FUNCTIONS &mc68681_fns_polled
#define Z85C30_FUNCTIONS &z85c30_fns_polled
#endif
console_tbl Console_Port_Tbl[] = { console_tbl Console_Port_Tbl[] = {
{ {
"/dev/com0", /* sDeviceName */ "/dev/com0", /* sDeviceName */
&mc68681_fns_polled, /* pDeviceFns */ MC68681_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -151,7 +164,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com1", /* sDeviceName */ "/dev/com1", /* sDeviceName */
&mc68681_fns_polled, /* pDeviceFns */ MC68681_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -169,7 +182,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com3", /* sDeviceName */ "/dev/com3", /* sDeviceName */
&z85c30_fns_polled, /* pDeviceFns */ Z85C30_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */
@@ -187,7 +200,7 @@ console_tbl Console_Port_Tbl[] = {
}, },
{ {
"/dev/com4", /* sDeviceName */ "/dev/com4", /* sDeviceName */
&z85c30_fns_polled, /* pDeviceFns */ Z85C30_FUNCTIONS, /* pDeviceFns */
NULL, /* deviceProbe */ NULL, /* deviceProbe */
NULL, /* pDeviceFlow */ NULL, /* pDeviceFlow */
16, /* ulMargin */ 16, /* ulMargin */