diff options
| author | Srinivas Pokala <Pokala.Srinivas@ibm.com> | 2023-06-14 07:13:37 +0200 |
|---|---|---|
| committer | David Chase <drchase@google.com> | 2023-08-11 20:48:28 +0000 |
| commit | 61719e18f7715e4fbd0914395633b15a4a2e17a7 (patch) | |
| tree | f3fceb3df264cfe483e67dc0d462da34d48b98b9 /src/cmd/internal/obj | |
| parent | 727ebce6ce4fab9aeb089f89d5c4b32bb69be403 (diff) | |
| download | go-61719e18f7715e4fbd0914395633b15a4a2e17a7.tar.xz | |
cmd/asm: add KDSA instruction support
KDSA(Compute Digital Signature Authentication) instruction provides
support for the signing and verification of elliptic curves
Change-Id: I19996a307162dd4f476a1cfe4f8d1a74a609e6c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/503215
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/s390x/a.out.go | 1 | ||||
| -rw-r--r-- | src/cmd/internal/obj/s390x/anames.go | 1 | ||||
| -rw-r--r-- | src/cmd/internal/obj/s390x/asmz.go | 17 |
3 files changed, 19 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/s390x/a.out.go b/src/cmd/internal/obj/s390x/a.out.go index 0b1aa5af16..ef02fed283 100644 --- a/src/cmd/internal/obj/s390x/a.out.go +++ b/src/cmd/internal/obj/s390x/a.out.go @@ -485,6 +485,7 @@ const ( AKMC AKLMD AKIMD + AKDSA // vector AVA diff --git a/src/cmd/internal/obj/s390x/anames.go b/src/cmd/internal/obj/s390x/anames.go index d5f5f343e3..40cc5e6b0d 100644 --- a/src/cmd/internal/obj/s390x/anames.go +++ b/src/cmd/internal/obj/s390x/anames.go @@ -211,6 +211,7 @@ var Anames = []string{ "KMC", "KLMD", "KIMD", + "KDSA", "VA", "VAB", "VAH", diff --git a/src/cmd/internal/obj/s390x/asmz.go b/src/cmd/internal/obj/s390x/asmz.go index 81e7a2d62e..a744d742cf 100644 --- a/src/cmd/internal/obj/s390x/asmz.go +++ b/src/cmd/internal/obj/s390x/asmz.go @@ -344,6 +344,9 @@ var optab = []Optab{ // KM {i: 124, as: AKM, a1: C_REG, a6: C_REG}, + // KDSA + {i: 125, as: AKDSA, a1: C_REG, a6: C_REG}, + // vector instructions // VRX store @@ -2638,6 +2641,10 @@ const ( op_VUPLL uint32 = 0xE7D4 // VRR-a VECTOR UNPACK LOGICAL LOW op_VUPL uint32 = 0xE7D6 // VRR-a VECTOR UNPACK LOW op_VMSL uint32 = 0xE7B8 // VRR-d VECTOR MULTIPLY SUM LOGICAL + + // added in z15 + op_KDSA uint32 = 0xB93A // FORMAT_RRE COMPUTE DIGITAL SIGNATURE AUTHENTICATION (KDSA) + ) func oclass(a *obj.Addr) int { @@ -4411,6 +4418,16 @@ func (c *ctxtz) asmout(p *obj.Prog, asm *[]byte) { opcode = op_KIMD } zRRE(opcode, uint32(p.From.Reg), uint32(p.To.Reg), asm) + + case 125: // KDSA sign and verify + if p.To.Reg == REG_R0 { + c.ctxt.Diag("second argument must not be R0 in %v", p) + } + if p.To.Reg&1 != 0 { + c.ctxt.Diag("second argument must be an even register in %v", p) + } + zRRE(op_KDSA, uint32(p.From.Reg), uint32(p.To.Reg), asm) + } } |