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thermosphere: reduce usage of nonvolatile memory by around 4KB

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TuxSH
2020-01-31 18:42:16 +00:00
parent 1fd2cdb664
commit 680a768178
12 changed files with 54 additions and 80 deletions
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32
thermosphere/src/breakpoints_watchpoints_load.s
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@@ -16,25 +16,32 @@
#include "asm_macros.s"
.altmacro
.macro LOAD_DBG_REG_PAIRS what, id
msr dbg\what\()cr\id\()_el1, x2
msr dbg\what\()vr\id\()_el1, x3
.if \id != 0
LOAD_DBG_REG_PAIRS \what, %(\id - 1)
.endif
.endm
// Precondition: x1 <= 16
FUNCTION loadBreakpointRegs
// x1 = number
dmb ish
adr x16, 1f
add x0, x0, #(16 * 8)
mov x4, #(16 * 12)
add x0, x0, #(MAX_BCR * 8)
mov x4, #(MAX_BCR * 12)
sub x4, x4, x1,lsl #3
sub x4, x4, x1,lsl #2
add x16, x16, x4
br x16
1:
.irp count, 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
ldp x2, x3, [x0, #-0x10]!
msr dbgbcr\count\()_el1, x2
msr dbgbvr\count\()_el1, x3
.endr
LOAD_DBG_REG_PAIRS b, MAX_BCR
dsb ish
isb
ret
@@ -46,19 +53,16 @@ FUNCTION loadWatchpointRegs
dmb ish
adr x16, 1f
add x0, x0, #(16 * 8)
mov x4, #(16 * 12)
add x0, x0, #(MAX_WCR * 8)
mov x4, #(MAX_WCR * 12)
sub x4, x4, x1,lsl #3
sub x4, x4, x1,lsl #2
add x16, x16, x4
br x16
1:
.irp count, 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
ldp x2, x3, [x0, #-0x10]!
msr dbgwcr\count\()_el1, x2
msr dbgwvr\count\()_el1, x3
.endr
LOAD_DBG_REG_PAIRS w, MAX_WCR
dsb ish
isb
ret