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blst v0.3.17 #45

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6 changes: 3 additions & 3 deletions blst_src/README.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
All files in this folder contain source files copied from the BLST repo https://github.com/supranational/blst,
specifically from the tagged version `v0.3.14`.
specifically from the tagged version `v0.3.17`.

Copyright Supranational LLC
Licensed under the Apache License, Version 2.0, see LICENSE for details.
Expand All @@ -18,8 +18,8 @@ The folder contains:
- all `<blst>/build` (assembly generated files).
- this `README` file.

To upgrade the BLST version:
- [ ] audit all BLST updates, with focus on `<blst>/src`: https://github.com/supranational/blst/compare/v0.3.14...<new_version>
Follow these steps from the root of the package to upgrade the BLST version:
- [ ] audit all BLST updates, with focus on `<blst>/src`: https://github.com/supranational/blst/compare/v0.3.17...<new_version>
- [ ] delete all files in this folder `./blst_src/` but `blst_src.c` and `README.md`.
- [ ] delete all files in `./internal/blst/` but `non_cgo.go`.
- [ ] open BLST repository on the new version.
Expand Down
22 changes: 22 additions & 0 deletions blst_src/build/cheri/add_mod_256-armv8.S
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Original file line number Diff line number Diff line change
@@ -1,10 +1,19 @@
#if defined(__ARM_FEATURE_PAC_DEFAULT) && __ARM_FEATURE_PAC_DEFAULT==2
# define PACI_HINT 27
# define AUTI_HINT 31
#else
# define PACI_HINT 25
# define AUTI_HINT 29
#endif

.text

.globl add_mod_256
.hidden add_mod_256
.type add_mod_256,%function
.align 5
add_mod_256:
hint #34
ldp x8,x9,[c1]
ldp x12,x13,[c2]

Expand Down Expand Up @@ -39,6 +48,7 @@ add_mod_256:
.type mul_by_3_mod_256,%function
.align 5
mul_by_3_mod_256:
hint #34
ldp x12,x13,[c1]
ldp x14,x15,[c1,#16]

Expand Down Expand Up @@ -88,6 +98,7 @@ mul_by_3_mod_256:
.type lshift_mod_256,%function
.align 5
lshift_mod_256:
hint #34
ldp x8,x9,[c1]
ldp x10,x11,[c1,#16]

Expand Down Expand Up @@ -126,6 +137,7 @@ lshift_mod_256:
.type rshift_mod_256,%function
.align 5
rshift_mod_256:
hint #34
ldp x8,x9,[c1]
ldp x10,x11,[c1,#16]

Expand Down Expand Up @@ -377,3 +389,13 @@ sub_n_check_mod_256:

ret
.size sub_n_check_mod_256,.-sub_n_check_mod_256

#if defined(__ARM_FEATURE_BTI_DEFAULT) || defined(__ARM_FEATURE_PAC_DEFAULT)
.section .note.GNU-stack,"",@progbits
.section .note.gnu.property,"a",@note
.long 4,2f-1f,5
.byte 0x47,0x4E,0x55,0
1: .long 0xc0000000,4,3
.align 3
2:
#endif
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