From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 5/5] Test harness for new printk formatting Date: Mon, 4 Nov 2013 10:55:39 +0000 Message-ID: <1383562539-16085-6-git-send-email-andrew.cooper3@citrix.com> References: <1383562539-16085-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1383562539-16085-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Xen-devel Cc: Andrew Cooper List-Id: xen-devel@lists.xenproject.org --- xen/arch/x86/irq.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c index c2e5629..6a447ff 100644 --- a/xen/arch/x86/irq.c +++ b/xen/arch/x86/irq.c @@ -2485,3 +2485,39 @@ bool_t hvm_domain_use_pirq(const struct domain *d, const struct pirq *pirq) return is_hvm_domain(d) && pirq && pirq->arch.hvm.emuirq != IRQ_UNBOUND; } + +static void test_printk(unsigned char key) +{ + char buffer[8] = { 0 }; + char buffer2[3] = { 0 }; + + printk("In %s()\n", __func__); + printk("Some symbols: '%ps' '%pS'\n", _p(printk), _p(printk)); + printk("More symbols: '%ps' '%pS'\n", _p(test_printk), _p(test_printk)); + printk("Invalid: '%ps' '%pS'\n", _p(NULL), _p(NULL)); + printk("Partial: '%ps' '%pS'\n", _p(((unsigned long)test_printk + 0x20)), + _p(((unsigned long)test_printk + 0x20))); + + snprintf(buffer, sizeof buffer, "%pS", _p(test_printk)); + printk("Test printing into 8 byte buffer '%s'\n", buffer); + + snprintf(buffer, sizeof buffer, "%ps", _p(test_printk)); + printk("Test printing into 8 byte buffer '%s'\n", buffer); + + snprintf(buffer2, sizeof buffer2, "%ps", + _p(((unsigned long)test_printk + 0x20))); + printk("Test printing into 3 byte buffer '%s'\n", buffer2); +} + +static struct keyhandler test_printk_keyhandler = { + .diagnostic = 1, + .u.fn = test_printk, + .desc = "Test new printk formatting options" +}; + +static int __init setup_test_printk(void) +{ + register_keyhandler('6', &test_printk_keyhandler); + return 0; +} +__initcall(setup_test_printk); -- 1.7.10.4