Date: Mon, 21 Oct 2019 11:56:57 +0000 (UTC) From: Leandro Lupori <luporl@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353795 - head/sys/powerpc/aim Message-ID: <201910211156.x9LBuvLB045875@repo.freebsd.org>
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Author: luporl Date: Mon Oct 21 11:56:57 2019 New Revision: 353795 URL: https://svnweb.freebsd.org/changeset/base/353795 Log: [PPC64] Add minidump support to PowerNV Implementation of PowerNV specific minidump code. Reviewed by: jhibbits Differential Revision: https://reviews.freebsd.org/D21643 Modified: head/sys/powerpc/aim/moea64_native.c Modified: head/sys/powerpc/aim/moea64_native.c ============================================================================== --- head/sys/powerpc/aim/moea64_native.c Mon Oct 21 09:33:45 2019 (r353794) +++ head/sys/powerpc/aim/moea64_native.c Mon Oct 21 11:56:57 2019 (r353795) @@ -213,6 +213,12 @@ 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. */ static int moea64_pte_insert_native(mmu_t, struct pvo_entry *); @@ -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 * 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); +}
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