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[PPC64] Add minidump support to PowerNV

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Implementation of PowerNV specific minidump code.

Reviewed by:	jhibbits
Differential Revision:	https://reviews.freebsd.org/D21643
This commit is contained in:
Leandro Lupori 2019-10-21 11:56:57 +00:00
parent f74e6e494f
commit 95ca4720f0
1 changed files with 25 additions and 0 deletions
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25
sys/powerpc/aim/moea64_native.c
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@ -212,6 +212,12 @@ static struct rwlock moea64_eviction_lock;
static volatile struct pate *moea64_part_table;
/*
* Dump function.
*/
static void *moea64_dump_pmap_native(mmu_t mmu, void *ctx, void *buf,
u_long *nbytes);
/*
* PTE calls.
*/
@ -233,6 +239,7 @@ static mmu_method_t moea64_native_methods[] = {
/* Internal interfaces */
MMUMETHOD(mmu_bootstrap, moea64_bootstrap_native),
MMUMETHOD(mmu_cpu_bootstrap, moea64_cpu_bootstrap_native),
MMUMETHOD(mmu_dump_pmap, moea64_dump_pmap_native),
MMUMETHOD(moea64_pte_synch, moea64_pte_synch_native),
MMUMETHOD(moea64_pte_clear, moea64_pte_clear_native),
@ -787,3 +794,21 @@ moea64_pte_insert_native(mmu_t mmu, struct pvo_entry *pvo)
return (-1);
}
static void *
moea64_dump_pmap_native(mmu_t mmu, void *ctx, void *buf, u_long *nbytes)
{
struct dump_context *dctx;
u_long ptex, ptex_end;
dctx = (struct dump_context *)ctx;
ptex = dctx->ptex;
ptex_end = ptex + dctx->blksz / sizeof(struct lpte);
ptex_end = MIN(ptex_end, dctx->ptex_end);
*nbytes = (ptex_end - ptex) * sizeof(struct lpte);
if (*nbytes == 0)
return (NULL);
dctx->ptex = ptex_end;
return (__DEVOLATILE(struct lpte *, moea64_pteg_table) + ptex);
}