From owner-svn-src-head@FreeBSD.ORG Wed Jan 26 17:06:13 2011 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6E96A1065695; Wed, 26 Jan 2011 17:06:13 +0000 (UTC) (envelope-from mdf@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 5DB018FC0C; Wed, 26 Jan 2011 17:06:13 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p0QH6Djw083460; Wed, 26 Jan 2011 17:06:13 GMT (envelope-from mdf@svn.freebsd.org) Received: (from mdf@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p0QH6DuE083457; Wed, 26 Jan 2011 17:06:13 GMT (envelope-from mdf@svn.freebsd.org) Message-Id: <201101261706.p0QH6DuE083457@svn.freebsd.org> From: Matthew D Fleming Date: Wed, 26 Jan 2011 17:06:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r217886 - in head/sys: amd64/amd64 i386/i386 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jan 2011 17:06:13 -0000 Author: mdf Date: Wed Jan 26 17:06:13 2011 New Revision: 217886 URL: http://svn.freebsd.org/changeset/base/217886 Log: Set td_kstack_pages for thread0. This was already being done for most architectures, but i386 and amd64 were missing it. Submitted by: Mohd Fahadullah Modified: head/sys/amd64/amd64/machdep.c head/sys/i386/i386/machdep.c Modified: head/sys/amd64/amd64/machdep.c ============================================================================== --- head/sys/amd64/amd64/machdep.c Wed Jan 26 16:59:07 2011 (r217885) +++ head/sys/amd64/amd64/machdep.c Wed Jan 26 17:06:13 2011 (r217886) @@ -1527,12 +1527,14 @@ hammer_time(u_int64_t modulep, u_int64_t struct nmi_pcpu *np; u_int64_t msr; char *env; + size_t kstack0_sz; thread0.td_kstack = physfree + KERNBASE; - bzero((void *)thread0.td_kstack, KSTACK_PAGES * PAGE_SIZE); - physfree += KSTACK_PAGES * PAGE_SIZE; - thread0.td_pcb = (struct pcb *) - (thread0.td_kstack + KSTACK_PAGES * PAGE_SIZE) - 1; + thread0.td_kstack_pages = KSTACK_PAGES; + kstack0_sz = thread0.td_kstack_pages * PAGE_SIZE; + bzero((void *)thread0.td_kstack, kstack0_sz); + physfree += kstack0_sz; + thread0.td_pcb = (struct pcb *)(thread0.td_kstack + kstack0_sz) - 1; /* * This may be done better later if it gets more high level @@ -1674,8 +1676,8 @@ hammer_time(u_int64_t modulep, u_int64_t initializecpucache(); /* make an initial tss so cpu can get interrupt stack on syscall! */ - common_tss[0].tss_rsp0 = thread0.td_kstack + \ - KSTACK_PAGES * PAGE_SIZE - sizeof(struct pcb); + common_tss[0].tss_rsp0 = thread0.td_kstack + + kstack0_sz - sizeof(struct pcb); /* Ensure the stack is aligned to 16 bytes */ common_tss[0].tss_rsp0 &= ~0xFul; PCPU_SET(rsp0, common_tss[0].tss_rsp0); Modified: head/sys/i386/i386/machdep.c ============================================================================== --- head/sys/i386/i386/machdep.c Wed Jan 26 16:59:07 2011 (r217885) +++ head/sys/i386/i386/machdep.c Wed Jan 26 17:06:13 2011 (r217886) @@ -2493,6 +2493,7 @@ init386(first) { unsigned long gdtmachpfn; int error, gsel_tss, metadata_missing, x, pa; + size_t kstack0_sz; struct pcpu *pc; struct callback_register event = { .type = CALLBACKTYPE_event, @@ -2504,8 +2505,9 @@ init386(first) }; thread0.td_kstack = proc0kstack; - thread0.td_pcb = (struct pcb *) - (thread0.td_kstack + KSTACK_PAGES * PAGE_SIZE) - 1; + thread0.td_kstack_pages = KSTACK_PAGES; + kstack0_sz = thread0.td_kstack_pages * PAGE_SIZE; + thread0.td_pcb = (struct pcb *)(thread0.td_kstack + kstack0_sz) - 1; /* * This may be done better later if it gets more high level @@ -2656,7 +2658,7 @@ init386(first) /* make an initial tss so cpu can get interrupt stack on syscall! */ /* Note: -16 is so we can grow the trapframe if we came from vm86 */ PCPU_SET(common_tss.tss_esp0, thread0.td_kstack + - KSTACK_PAGES * PAGE_SIZE - sizeof(struct pcb) - 16); + kstack0_sz - sizeof(struct pcb) - 16); PCPU_SET(common_tss.tss_ss0, GSEL(GDATA_SEL, SEL_KPL)); gsel_tss = GSEL(GPROC0_SEL, SEL_KPL); HYPERVISOR_stack_switch(GSEL(GDATA_SEL, SEL_KPL), @@ -2716,11 +2718,13 @@ init386(first) { struct gate_descriptor *gdp; int gsel_tss, metadata_missing, x, pa; + size_t kstack0_sz; struct pcpu *pc; thread0.td_kstack = proc0kstack; - thread0.td_pcb = (struct pcb *) - (thread0.td_kstack + KSTACK_PAGES * PAGE_SIZE) - 1; + thread0.td_kstack_pages = KSTACK_PAGES; + kstack0_sz = thread0.td_kstack_pages * PAGE_SIZE; + thread0.td_pcb = (struct pcb *)(thread0.td_kstack + kstack0_sz) - 1; /* * This may be done better later if it gets more high level @@ -2912,7 +2916,7 @@ init386(first) /* make an initial tss so cpu can get interrupt stack on syscall! */ /* Note: -16 is so we can grow the trapframe if we came from vm86 */ PCPU_SET(common_tss.tss_esp0, thread0.td_kstack + - KSTACK_PAGES * PAGE_SIZE - sizeof(struct pcb) - 16); + kstack0_sz - sizeof(struct pcb) - 16); PCPU_SET(common_tss.tss_ss0, GSEL(GDATA_SEL, SEL_KPL)); gsel_tss = GSEL(GPROC0_SEL, SEL_KPL); PCPU_SET(tss_gdt, &gdt[GPROC0_SEL].sd);