bcm64: add experimental work in progress arm64 kernel for raspberry pi 3

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/src/9/bcm64/devgen.c b/sys/src/9/bcm64/devgen.c
new file mode 100644
index 000000000..cc77a73b8
--- /dev/null
+++ b/sys/src/9/bcm64/devgen.c
@@ -0,0 +1,34 @@
+#include	"u.h"
+#include	"../port/lib.h"
+#include	"mem.h"
+#include	"dat.h"
+#include	"fns.h"
+#include	"../port/error.h"
+
+/*
+ * the zeroth element of the table MUST be the directory itself for ..
+*/
+int
+devgen(Chan *c, char *name, Dirtab *tab, int ntab, int i, Dir *dp)
+{
+	if(tab == 0)
+		return -1;
+	if(i == DEVDOTDOT){
+		/* nothing */
+	}else if(name){
+		for(i=1; i<ntab; i++)
+			if(strcmp(tab[i].name, name) == 0)
+				break;
+		if(i==ntab)
+			return -1;
+		tab += i;
+	}else{
+		/* skip over the first element, that for . itself */
+		i++;
+		if(i >= ntab)
+			return -1;
+		tab += i;
+	}
+	devdir(c, tab->qid, tab->name, tab->length, eve, tab->perm, dp);
+	return 1;
+}