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authorJames Hogan <james.hogan@imgtec.com>2016-05-20 23:28:38 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-05-28 12:35:10 +0200
commit1c48a177351ba8cbf6871f035496fce0e11d8fa3 (patch)
treef4598c46e110730ebcd864bab6622e222fa3b2e2 /arch/mips/include/asm/vga.h
parent0dfa1c12f300d06f95d861d2718ef198e37473a6 (diff)
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MIPS: Add missing VZ accessor microMIPS encodings
Toolchains may be used which support microMIPS but not VZ instructions (i.e. binutis 2.22 & 2.23), so extend the explicitly encoded versions of the guest COP0 register & guest TLB access macros to support microMIPS encodings too, using the new macros. This prevents non-microMIPS instructions being executed in microMIPS mode during CPU probe on cores supporting VZ (e.g. M5150), which cause reserved instruction exceptions early during boot. Fixes: bad50d79255a ("MIPS: Fix VZ probe gas errors with binutils <2.24") Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13311/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/vga.h')
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