Add Elbrus 2000 architecture (#19024)

* Add Elbrus 2000 architecture

* Add e2k to niminst

* Update compiler/installer.ini

Co-authored-by: Andreas Rumpf <rumpf_a@web.de>

compiler/platform.nim

@@ -197,7 +197,8 @@ type
     cpuNone, cpuI386, cpuM68k, cpuAlpha, cpuPowerpc, cpuPowerpc64,
     cpuPowerpc64el, cpuSparc, cpuVm, cpuHppa, cpuIa64, cpuAmd64, cpuMips,
     cpuMipsel, cpuArm, cpuArm64, cpuJS, cpuNimVM, cpuAVR, cpuMSP430,
-    cpuSparc64, cpuMips64, cpuMips64el, cpuRiscV32, cpuRiscV64, cpuEsp, cpuWasm32
+    cpuSparc64, cpuMips64, cpuMips64el, cpuRiscV32, cpuRiscV64, cpuEsp, cpuWasm32,
+    cpuE2k
 
 type
   TInfoCPU* = tuple[name: string, intSize: int, endian: Endianness,
@@ -232,7 +233,8 @@ const
     (name: "riscv32", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
     (name: "riscv64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
     (name: "esp", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
-    (name: "wasm32", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32)]
+    (name: "wasm32", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
+    (name: "e2k", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64)]
 
 type
   Target* = object

lib/system/platforms.nim

@@ -35,7 +35,8 @@ type
     msp430,                    ## TI MSP430 microcontroller
     riscv32,                   ## RISC-V 32-bit processor
     riscv64,                   ## RISC-V 64-bit processor
-    wasm32                     ## WASM, 32-bit
+    wasm32,                    ## WASM, 32-bit
+    e2k                        ## MCST Elbrus 2000
 
   OsPlatform* {.pure.} = enum ## the OS this program will run on.
     none, dos, windows, os2, linux, morphos, skyos, solaris,
@@ -93,5 +94,6 @@ const
                elif defined(riscv32): CpuPlatform.riscv32
                elif defined(riscv64): CpuPlatform.riscv64
                elif defined(wasm32): CpuPlatform.wasm32
+               elif defined(e2k): CpuPlatform.e2k
                else: CpuPlatform.none
     ## the CPU this program will run on.

tools/nim.zsh-completion

@@ -74,6 +74,7 @@ _nim() {
     '*--cpu=arm64[compile for ARM64 architecture]' \
     '*--cpu=avr[compile for AVR architecture]' \
     '*--cpu=esp[compile for ESP architecture]' \
+    '*--cpu=e2k[compile for Elbrus 2000 architecture]' \
     '*--cpu=hppa[compile for HPPA architecture]' \
     '*--cpu=i386[compile for i386 architecture]' \
     '*--cpu=ia64[compile for ia64 architecture]' \

tools/niminst/buildsh.nimf

@@ -227,6 +227,8 @@ case $ucpu in
     mycpu="arm" ;;
   *riscv64|riscv* )
     mycpu="riscv64" ;;
+  *e2k* )
+    mycpu="e2k" ;;
   *)
     echo 2>&1 "Error: unknown processor: $ucpu"
     exit 1

tools/niminst/makefile.nimf

@@ -166,6 +166,9 @@ endif
 ifeq ($(ucpu),riscv64)
   mycpu = riscv64
 endif
+ifeq ($(ucpu),e2k)
+  mycpu = e2k
+endif
 ifndef mycpu
   $(error unknown CPU architecture: $(ucpu) See makefile.nimf)
 endif