diff options
author | kmacy <kmacy@FreeBSD.org> | 2009-12-10 03:09:35 +0000 |
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committer | kmacy <kmacy@FreeBSD.org> | 2009-12-10 03:09:35 +0000 |
commit | 798466d5795a04d7f7b6886898aa8aaf1910085a (patch) | |
tree | 0e4e1f896ad54df008c2f7bf69e3c08333411c29 /sys/i386 | |
parent | 6e354b089d9a67edb1364fc96a1a26d764f713ff (diff) | |
download | FreeBSD-src-798466d5795a04d7f7b6886898aa8aaf1910085a.zip FreeBSD-src-798466d5795a04d7f7b6886898aa8aaf1910085a.tar.gz |
- revert pmap_kenter_temporary to taking a physical address
- make minidump work
Diffstat (limited to 'sys/i386')
-rw-r--r-- | sys/i386/i386/dump_machdep.c | 4 | ||||
-rw-r--r-- | sys/i386/i386/minidump_machdep.c | 13 | ||||
-rw-r--r-- | sys/i386/xen/pmap.c | 3 |
3 files changed, 11 insertions, 9 deletions
diff --git a/sys/i386/i386/dump_machdep.c b/sys/i386/i386/dump_machdep.c index 2f5dcc9..d0c6ba7 100644 --- a/sys/i386/i386/dump_machdep.c +++ b/sys/i386/i386/dump_machdep.c @@ -182,11 +182,7 @@ cb_dumpdata(struct md_pa *mdp, int seqnr, void *arg) } for (i = 0; i < chunk; i++) { a = pa + i * PAGE_SIZE; -#ifdef XEN - va = pmap_kenter_temporary(xpmap_ptom(trunc_page(a)), i); -#else va = pmap_kenter_temporary(trunc_page(a), i); -#endif } error = dump_write(di, va, 0, dumplo, sz); if (error) diff --git a/sys/i386/i386/minidump_machdep.c b/sys/i386/i386/minidump_machdep.c index af52306..8d9db0c 100644 --- a/sys/i386/i386/minidump_machdep.c +++ b/sys/i386/i386/minidump_machdep.c @@ -65,6 +65,11 @@ static void *dump_va; static uint64_t counter, progress; CTASSERT(sizeof(*vm_page_dump) == 4); +#ifndef XEN +#define xpmap_mtop(x) (x) +#define xpmap_ptom(x) (x) +#endif + static int is_dumpable(vm_paddr_t pa) @@ -194,7 +199,7 @@ minidumpsys(struct dumperinfo *di) j = va >> PDRSHIFT; if ((pd[j] & (PG_PS | PG_V)) == (PG_PS | PG_V)) { /* This is an entire 2M page. */ - pa = pd[j] & PG_PS_FRAME; + pa = xpmap_mtop(pd[j] & PG_PS_FRAME); for (k = 0; k < NPTEPG; k++) { if (is_dumpable(pa)) dump_add_page(pa); @@ -204,10 +209,10 @@ minidumpsys(struct dumperinfo *di) } if ((pd[j] & PG_V) == PG_V) { /* set bit for each valid page in this 2MB block */ - pt = pmap_kenter_temporary(pd[j] & PG_FRAME, 0); + pt = pmap_kenter_temporary(xpmap_mtop(pd[j] & PG_FRAME), 0); for (k = 0; k < NPTEPG; k++) { if ((pt[k] & PG_V) == PG_V) { - pa = pt[k] & PG_FRAME; + pa = xpmap_mtop(pt[k] & PG_FRAME); if (is_dumpable(pa)) dump_add_page(pa); } @@ -307,7 +312,7 @@ minidumpsys(struct dumperinfo *di) continue; } if ((pd[j] & PG_V) == PG_V) { - pa = pd[j] & PG_FRAME; + pa = xpmap_mtop(pd[j] & PG_FRAME); error = blk_write(di, 0, pa, PAGE_SIZE); if (error) goto fail; diff --git a/sys/i386/xen/pmap.c b/sys/i386/xen/pmap.c index 1b4345f..c5c3e66 100644 --- a/sys/i386/xen/pmap.c +++ b/sys/i386/xen/pmap.c @@ -3101,9 +3101,10 @@ void * pmap_kenter_temporary(vm_paddr_t pa, int i) { vm_offset_t va; + vm_paddr_t ma = xpmap_ptom(pa); va = (vm_offset_t)crashdumpmap + (i * PAGE_SIZE); - PT_SET_MA(va, (pa & ~PAGE_MASK) | PG_V | pgeflag); + PT_SET_MA(va, (ma & ~PAGE_MASK) | PG_V | pgeflag); invlpg(va); return ((void *)crashdumpmap); } |