[{"id":1771296,"web_url":"http://patchwork.ozlabs.org/comment/1771296/","msgid":"","list_archive_url":null,"date":"2017-09-19T18:54:49","subject":"Re: [Qemu-devel] [PATCH 13/19] nvic: Implement v8M changes to fixed\n\tpriority exceptions","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/people/72104/","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"content":"On 09/12/2017 01:14 PM, Peter Maydell wrote:\n> In v7M, the fixed-priority exceptions are:\n> Reset: -3\n> NMI: -2\n> HardFault: -1\n> \n> In v8M, this changes because Secure HardFault may need\n> to be prioritised above NMI:\n> Reset: -4\n> Secure HardFault if AIRCR.BFHFNMINS == 1: -3\n> NMI: -2\n> Secure HardFault if AIRCR.BFHFNMINS == 0: -1\n> NonSecure HardFault: -1\n> \n> Make these changes, including support for changing the\n> priority of Secure HardFault as AIRCR.BFHFNMINS changes.\n> \n> Signed-off-by: Peter Maydell \n> ---\n> hw/intc/armv7m_nvic.c | 22 +++++++++++++++++++---\n> 1 file changed, 19 insertions(+), 3 deletions(-)\n\nReviewed-by: Richard Henderson \n\nr~","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; 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