From bceabc95c1c85d793200446fa85f1ddc6313ea29 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Wed, 9 Oct 2013 22:42:09 +0200
Subject: Move files to match FreeBSD layout

---
 rtemsbsd/rtems/rtems-kvm.c | 107 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 rtemsbsd/rtems/rtems-kvm.c

(limited to 'rtemsbsd/rtems/rtems-kvm.c')

diff --git a/rtemsbsd/rtems/rtems-kvm.c b/rtemsbsd/rtems/rtems-kvm.c
new file mode 100644
index 00000000..945c6952
--- /dev/null
+++ b/rtemsbsd/rtems/rtems-kvm.c
@@ -0,0 +1,107 @@
+#include "port_before.h"
+#include <sys/cdefs.h>
+#include <kvm.h>
+#include <nlist.h>
+#include <assert.h>
+
+#include "kvm_private.h"
+
+char *
+kvm_geterr(
+	kvm_t *kd
+)
+{
+	return "KVM error";
+	// return (kd->errbuf);
+}
+
+kvm_t *
+kvm_openfiles(
+	const char *uf,
+	const char *mf,
+	const char *sf __unused,
+	int flag,
+	char *errout
+)
+{
+  return (kvm_t *)kvm_openfiles;
+}
+
+int
+kvm_nlist(kvm_t *kd, struct nlist *nl)
+{
+	struct nlist *p;
+	int nvalid;
+	int error;
+	kvm_symval_t *kvm;
+
+	assert( kd != NULL );
+	assert( nl != NULL );
+
+	nvalid = 0;
+again:
+	for (p = nl; p->n_name && p->n_name[0]; ++p) {
+		if (p->n_type != N_UNDF)
+			continue;
+		if (p->n_name[0] != '_')
+			continue;
+             
+		for (kvm=rtems_kvm_symbols; kvm->symbol[0]; ++kvm) {
+			if (!strcmp(p->n_name, kvm->symbol)) {
+				p->n_type = N_TEXT;
+				p->n_other = 0;
+				p->n_desc = 0;
+				p->n_value = kvm->value;
+				if (kvm->value) {
+					++nvalid;
+		// printf("kvm: %s = %p\n", p->n_name, (void*)kvm->value);
+				}
+				break;
+			}
+		}
+		if (! kvm->symbol[0]) {
+			printf("kvm: did not know about %s\n", p->n_name);
+		}
+	}
+
+	error = ((p - nl) - nvalid);
+	return (error);
+
+}
+
+
+ssize_t
+kvm_read(kd, kva, buf, len)
+	kvm_t *kd;
+	u_long kva;
+	void *buf;
+	size_t len;
+{
+	assert( kd != NULL );
+	assert( buf != NULL );
+
+	if ( kva == 0 )
+		return (-1);
+
+#ifdef __rtems__
+	// printf( "%d from %p to %p\n", len, (void*)kva, buf);
+#endif
+#if 0
+	/*
+	 * Use a byte-wide copy to avoid alignment issues.
+	 */
+	{
+		unsigned char *s;
+		unsigned char *d;
+		size_t c;
+
+		s = (void *)kva;
+		d = buf;
+		for (c=0; c<len ; c++)
+			*d++ = *s++;
+	}
+#else
+	memcpy(buf, (void *)kva, len);
+#endif
+	return len;
+}
-- 
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