svn commit: r279921 - in stable: 10/sys/amd64/amd64 9/sys/amd64/amd64
John Baldwin
jhb at FreeBSD.org
Thu Mar 12 15:08:25 UTC 2015
Author: jhb
Date: Thu Mar 12 15:08:23 2015
New Revision: 279921
URL: https://svnweb.freebsd.org/changeset/base/279921
Log:
MFC 277713:
If the boot-time memory test is enabled, output a dot ('.') for
each GB of RAM tested so people watching the console can see that
the machine is making progress and not hung.
PR: 196650
Modified:
stable/10/sys/amd64/amd64/machdep.c
Directory Properties:
stable/10/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/9/sys/amd64/amd64/machdep.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/10/sys/amd64/amd64/machdep.c
==============================================================================
--- stable/10/sys/amd64/amd64/machdep.c Thu Mar 12 14:55:33 2015 (r279920)
+++ stable/10/sys/amd64/amd64/machdep.c Thu Mar 12 15:08:23 2015 (r279921)
@@ -1521,6 +1521,8 @@ static char bootmethod[16] = "";
SYSCTL_STRING(_machdep, OID_AUTO, bootmethod, CTLFLAG_RD, bootmethod, 0,
"System firmware boot method");
+#define PAGES_PER_GB (1024 * 1024 * 1024 / PAGE_SIZE)
+
/*
* Populate the (physmap) array with base/bound pairs describing the
* available physical memory in the system, then test this memory and
@@ -1541,6 +1543,7 @@ getmemsize(caddr_t kmdp, u_int64_t first
struct bios_smap *smapbase;
struct efi_map_header *efihdr;
quad_t dcons_addr, dcons_size;
+ int page_counter;
bzero(physmap, sizeof(physmap));
basemem = 0;
@@ -1651,6 +1654,9 @@ getmemsize(caddr_t kmdp, u_int64_t first
* physmap is in bytes, so when converting to page boundaries,
* round up the start address and round down the end address.
*/
+ page_counter = 0;
+ if (memtest != 0)
+ printf("Testing system memory");
for (i = 0; i <= physmap_idx; i += 2) {
vm_paddr_t end;
@@ -1681,6 +1687,14 @@ getmemsize(caddr_t kmdp, u_int64_t first
goto skip_memtest;
/*
+ * Print a "." every GB to show we're making
+ * progress.
+ */
+ page_counter++;
+ if ((page_counter % PAGES_PER_GB) == 0)
+ printf(".");
+
+ /*
* map page into kernel: valid, read/write,non-cacheable
*/
*pte = pa | PG_V | PG_RW | PG_NC_PWT | PG_NC_PCD;
@@ -1767,6 +1781,8 @@ do_next:
}
*pte = 0;
invltlb();
+ if (memtest != 0)
+ printf("\n");
/*
* XXX
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