mirror/uvm32
1
Fork 0
mirror of https://github.com/ringtailsoftware/uvm32.git synced 2026-06-06 06:53:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Attempt to enable RV32 C extension. c.lw and c.sw are definitely broken somehow wrt MMIO memory.

Browse source 
Examples built using C extensions, many fail in strange ways
This commit is contained in:
Toby Jaffey 2025-12-17 15:43:15 +00:00
parent 652094c289
commit adec69e1d7
17 changed files with 132 additions and 76 deletions
Download patch file Download diff file Expand all files Collapse all files

3
apps/agnes/build.zig
View file

@ -14,12 +14,13 @@ pub fn build(b: *std.Build) void {
// disable all CPU extensions
disabled_features.addFeature(@intFromEnum(features.a));
disabled_features.addFeature(@intFromEnum(features.c));
// disabled_features.addFeature(@intFromEnum(features.c));
disabled_features.addFeature(@intFromEnum(features.d));
disabled_features.addFeature(@intFromEnum(features.e));
disabled_features.addFeature(@intFromEnum(features.f));
// except multiply
enabled_features.addFeature(@intFromEnum(features.m));
enabled_features.addFeature(@intFromEnum(features.c));
const target = b.resolveTargetQuery(.{
.cpu_arch = Target.Cpu.Arch.riscv32,

2
apps/common/makefile.common
View file

@ -3,7 +3,7 @@ OPT ?= -Os
CFLAGS+=-I${TOPDIR}/common -I${TOPDIR}/apps/common
CFLAGS+=${OPT} -fno-stack-protector -fno-builtin-memcpy -fno-builtin
CFLAGS+=-static-libgcc -fdata-sections -ffunction-sections
CFLAGS+=-g -march=rv32im -mabi=ilp32 -static
CFLAGS+=-g -march=rv32imac -mabi=ilp32 -static
LDFLAGS:= -T ${TOPDIR}/apps/common/linker.ld -nostdlib -Wl,--gc-sections
LIBS:= -lgcc # needed for softfp

3
apps/tinygl/build.zig
View file

@ -14,12 +14,13 @@ pub fn build(b: *std.Build) void {
// disable all CPU extensions
disabled_features.addFeature(@intFromEnum(features.a));
disabled_features.addFeature(@intFromEnum(features.c));
// disabled_features.addFeature(@intFromEnum(features.c));
disabled_features.addFeature(@intFromEnum(features.d));
disabled_features.addFeature(@intFromEnum(features.e));
disabled_features.addFeature(@intFromEnum(features.f));
// except multiply
enabled_features.addFeature(@intFromEnum(features.m));
enabled_features.addFeature(@intFromEnum(features.c));
const target = b.resolveTargetQuery(.{ .cpu_arch = Target.Cpu.Arch.riscv32, .os_tag = Target.Os.Tag.freestanding, .abi = Target.Abi.none, .cpu_model = .{ .explicit = &std.Target.riscv.cpu.generic_rv32 }, .cpu_features_sub = disabled_features, .cpu_features_add = enabled_features });

3
apps/zig-mandel/build.zig
View file

@ -10,12 +10,13 @@ pub fn build(b: *std.Build) void {
// disable all CPU extensions
disabled_features.addFeature(@intFromEnum(features.a));
disabled_features.addFeature(@intFromEnum(features.c));
// disabled_features.addFeature(@intFromEnum(features.c));
disabled_features.addFeature(@intFromEnum(features.d));
disabled_features.addFeature(@intFromEnum(features.e));
disabled_features.addFeature(@intFromEnum(features.f));
// except multiply
enabled_features.addFeature(@intFromEnum(features.m));
enabled_features.addFeature(@intFromEnum(features.c));
const target = b.resolveTargetQuery(.{
.cpu_arch = Target.Cpu.Arch.riscv32,

3
apps/zigalloc/build.zig
View file

@ -14,12 +14,13 @@ pub fn build(b: *std.Build) void {
// disable all CPU extensions
disabled_features.addFeature(@intFromEnum(features.a));
disabled_features.addFeature(@intFromEnum(features.c));
//disabled_features.addFeature(@intFromEnum(features.c));
disabled_features.addFeature(@intFromEnum(features.d));
disabled_features.addFeature(@intFromEnum(features.e));
disabled_features.addFeature(@intFromEnum(features.f));
// except multiply
enabled_features.addFeature(@intFromEnum(features.m));
enabled_features.addFeature(@intFromEnum(features.c));
const target = b.resolveTargetQuery(.{
.cpu_arch = Target.Cpu.Arch.riscv32,

3
apps/zigdoom/build.zig
View file

@ -14,12 +14,13 @@ pub fn build(b: *std.Build) void {
// disable all CPU extensions
disabled_features.addFeature(@intFromEnum(features.a));
disabled_features.addFeature(@intFromEnum(features.c));
// disabled_features.addFeature(@intFromEnum(features.c));
disabled_features.addFeature(@intFromEnum(features.d));
disabled_features.addFeature(@intFromEnum(features.e));
disabled_features.addFeature(@intFromEnum(features.f));
// except multiply
enabled_features.addFeature(@intFromEnum(features.m));
enabled_features.addFeature(@intFromEnum(features.c));
const target = b.resolveTargetQuery(.{
.cpu_arch = Target.Cpu.Arch.riscv32,