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If the boot-time memory test is enabled, output a dot ('.') for

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each GB of RAM tested so people watching the console can see that
the machine is making progress and not hung.

PR:		196650
Submitted by:	Ravi Pokala <rpokala@panasas.com>
Suggestions from:	Eric van Gyzen <eric@vangyzen.net>
MFC after:	2 weeks
This commit is contained in:
jhb 2015-01-25 20:16:45 +00:00
parent 71715e274d
commit 03984c1e9c
1 changed files with 16 additions and 0 deletions
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16
sys/amd64/amd64/machdep.c
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@ -1557,6 +1557,8 @@ native_parse_memmap(caddr_t kmdp, vm_paddr_t *physmap, int *physmap_idx)
}
}
#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
@ -1575,6 +1577,7 @@ getmemsize(caddr_t kmdp, u_int64_t first)
u_long physmem_start, physmem_tunable, memtest;
pt_entry_t *pte;
quad_t dcons_addr, dcons_size;
int page_counter;
bzero(physmap, sizeof(physmap));
basemem = 0;
@ -1678,6 +1681,9 @@ 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;
@ -1707,6 +1713,14 @@ getmemsize(caddr_t kmdp, u_int64_t first)
if (memtest == 0)
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
*/
@ -1794,6 +1808,8 @@ do_next:
}
*pte = 0;
invltlb();
if (memtest != 0)
printf("\n");
/*
* XXX