2019-08-06 05:09:51 +01:00
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/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Precondition: x1 <= 16
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.section .text.loadBreakpointRegs, "ax", %progbits
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.global loadBreakpointRegs
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2020-01-02 18:41:52 +00:00
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.type loadBreakpointRegs, %function
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.func loadBreakpointRegs
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.cfi_startproc
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2019-08-06 05:09:51 +01:00
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loadBreakpointRegs:
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// x1 = number
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2020-01-09 22:47:22 +00:00
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dmb sy
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2019-08-06 05:09:51 +01:00
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adr x16, 1f
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add x0, x0, #(16 * 8)
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mov x4, #(16 * 12)
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sub x4, x4, x1,lsl #3
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sub x4, x4, x1,lsl #2
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add x16, x16, x4
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br x16
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1:
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.irp count, 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
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ldp x2, x3, [x0, #-0x10]!
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msr dbgbcr\count\()_el1, x2
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msr dbgbvr\count\()_el1, x3
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.endr
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dsb sy
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isb
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ret
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2020-01-02 18:41:52 +00:00
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.endfunc
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.cfi_endproc
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2019-08-06 05:09:51 +01:00
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// Precondition: x1 <= 16
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.section .text.loadWatchpointRegs, "ax", %progbits
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.global loadWatchpointRegs
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2020-01-02 18:41:52 +00:00
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.type loadWatchpointRegs, %function
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.func loadWatchpointRegs
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.cfi_startproc
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2019-08-06 05:09:51 +01:00
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loadWatchpointRegs:
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// x1 = number
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2020-01-09 22:47:22 +00:00
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dmb sy
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2019-08-06 05:09:51 +01:00
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adr x16, 1f
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add x0, x0, #(16 * 8)
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mov x4, #(16 * 12)
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sub x4, x4, x1,lsl #3
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sub x4, x4, x1,lsl #2
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add x16, x16, x4
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br x16
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1:
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.irp count, 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
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ldp x2, x3, [x0, #-0x10]!
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msr dbgwcr\count\()_el1, x2
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msr dbgwvr\count\()_el1, x3
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.endr
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dsb sy
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isb
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ret
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2020-01-02 18:41:52 +00:00
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.endfunc
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.cfi_endproc
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