This is a part 11/20 of patchset for add support NEC PC-9800 architecture,
against 2.5.44.
Summary:
- add PC-9800 special features.
- CLOCK_TICK is not constant.
diffstat:
init/main.c | 3 +++
kernel/dma.c | 3 +++
kernel/ksyms.c | 4 ++++
kernel/timer.c | 5 +++++
4 files changed, 15 insertions(+)
patch:
diff -urN linux/init/main.c linux98/init/main.c
--- linux/init/main.c Thu Oct 31 13:23:44 2002
+++ linux98/init/main.c Thu Oct 31 17:36:24 2002
@@ -100,6 +100,9 @@
char *execute_command;
+/* Indicates PC-9800 architecture No:0 Yes:1 */
+int pc98 = 0;
+
/* Setup configured maximum number of CPUs to activate */
static unsigned int max_cpus = UINT_MAX;
diff -urN linux/kernel/dma.c linux98/kernel/dma.c
--- linux/kernel/dma.c Sun Aug 11 10:41:22 2002
+++ linux98/kernel/dma.c Wed Aug 21 09:53:59 2002
@@ -9,6 +9,7 @@
* [It also happened to remove the sizeof(char *) == sizeof(int)
* assumption introduced because of those /proc/dma patches. -- Hennus]
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -62,10 +63,12 @@
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
+#ifndef CONFIG_PC9800
{ 1, "cascade" },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 }
+#endif
};
diff -urN linux/kernel/ksyms.c linux98/kernel/ksyms.c
--- linux/kernel/ksyms.c Sat Oct 19 13:01:08 2002
+++ linux98/kernel/ksyms.c Sat Oct 26 16:57:37 2002
@@ -599,5 +599,9 @@
EXPORT_SYMBOL(__per_cpu_offset);
#endif
+/* Indicates PC-9800 architecture No:0 Yes:1 */
+extern int pc98;
+EXPORT_SYMBOL(pc98);
+
/* debug */
EXPORT_SYMBOL(dump_stack);
diff -urN linux/kernel/timer.c linux98/kernel/timer.c
--- linux/kernel/timer.c Thu Oct 31 13:23:44 2002
+++ linux98/kernel/timer.c Thu Oct 31 17:36:24 2002
@@ -400,8 +400,13 @@
/*
* Timekeeping variables
*/
+#ifndef CONFIG_PC9800
unsigned long tick_usec = TICK_USEC; /* ACTHZ period (usec) */
unsigned long tick_nsec = TICK_NSEC(TICK_USEC); /* USER_HZ period (nsec) */
+#else
+extern unsigned long tick_usec; /* ACTHZ period (usec) */
+extern unsigned long tick_nsec; /* USER_HZ period (nsec) */
+#endif
/* The current time */
struct timespec xtime __attribute__ ((aligned (16)));