Date: Wed, 31 Aug 2022 01:32:16 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 49c6968c1217 - stable/13 - i386: print all GPRs, PSL, and CR3 on double fault Message-ID: <202208310132.27V1WGTr033230@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=49c6968c1217dbc6233105a918f07cae8dbdac52 commit 49c6968c1217dbc6233105a918f07cae8dbdac52 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-08-18 04:16:09 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-08-31 01:20:27 +0000 i386: print all GPRs, PSL, and CR3 on double fault (cherry picked from commit 0f906b30e6fa5bed3c8468a6cab3847cf6909936) --- sys/i386/i386/trap.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/sys/i386/i386/trap.c b/sys/i386/i386/trap.c index 7e1c409c806f..c158ed1d0264 100644 --- a/sys/i386/i386/trap.c +++ b/sys/i386/i386/trap.c @@ -988,18 +988,26 @@ trap_user_dtrace(struct trapframe *frame, int (**hookp)(struct trapframe *)) void dblfault_handler(void) { + struct i386tss *t; + #ifdef KDTRACE_HOOKS if (dtrace_doubletrap_func != NULL) (*dtrace_doubletrap_func)(); #endif printf("\nFatal double fault:\n"); - printf("eip = 0x%x\n", PCPU_GET(common_tssp)->tss_eip); - printf("esp = 0x%x\n", PCPU_GET(common_tssp)->tss_esp); - printf("ebp = 0x%x\n", PCPU_GET(common_tssp)->tss_ebp); + t = PCPU_GET(common_tssp); + printf( + "eip = %#08x esp = %#08x ebp = %#08x eax = %#08x\n" + "edx = %#08x ecx = %#08x edi = %#08x esi = %#08x\n" + "psl = %#08x cs = %#08x ss = %#08x ds = %#08x\n" + "es = %#08x fs = %#08x gs = %#08x cr3 = %#08x\n", + t->tss_eip, t->tss_esp, t->tss_ebp, t->tss_eax, + t->tss_edx, t->tss_ecx, t->tss_edi, t->tss_esi, + t->tss_eflags, t->tss_cs, t->tss_ss, t->tss_ds, + t->tss_es, t->tss_fs, t->tss_gs, t->tss_cr3); #ifdef SMP - /* two separate prints in case of a trap on an unmapped page */ - printf("cpuid = %d; ", PCPU_GET(cpuid)); - printf("apic id = %02x\n", PCPU_GET(apic_id)); + printf("cpuid = %d; apic id = %02x\n", PCPU_GET(cpuid), + PCPU_GET(apic_id)); #endif panic("double fault"); }
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