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authorYongbok Kim <yongbok.kim@imgtec.com>2014-07-01 17:43:05 +0100
committerLeon Alrae <leon.alrae@imgtec.com>2014-10-14 13:29:14 +0100
commitb231c103afced2eb27af9b6a771ab4b250afb93f (patch)
treee8219a3252ed2746beabc1bb96b865269b88b0e1 /target-mips/dsp_helper.c
parenta83bddd60de0dfdbc04c6683c2701682073af5cf (diff)
downloadqemu-arm-b231c103afced2eb27af9b6a771ab4b250afb93f.tar.gz
target-mips: fix broken MIPS16 and microMIPS
Commit 240ce26a broke MIPS16 and microMIPS support as it didn't care those branches and jumps don't have delay slot in MIPS16 and microMIPS. This patch introduces a new argument delayslot_size to the gen_compute_branch() indicating size of delay slot {0, 2, 4}. And the information is used to call handle_delay_slot() forcingly when no delay slot is required. There are some microMIPS branch and jump instructions that requires exact size of instruction in the delay slot. For indicating these instructions, MIPS_HFLAG_BDS_STRICT flag is introduced. Those fictional branch opcodes defined to support MIPS16 and microMIPS are no longer needed. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Tested-by: Jonas Gorski <jogo@openwrt.org> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> [leon.alrae@imgtec.com: cosmetic changes] Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips/dsp_helper.c')
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