0.5.0 —— 第三台机器不再是例外 - #3
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xPack 按目标族发布 QEMU 且没有 x86 构建,于是 x86_64 那一行此前从 apt 装模拟器 再手工调用:它是唯一一行结果取决于 Ubuntu 恰好发了什么的。mcpplibs/qemu-x86 从源码 为五个宿主构建 qemu-system-x86_64,xim:qemu-x86 携带它。 - build.mcpp 的三分支同形,机器类型按 arch 选(virt / q35) - CI 三行都走 mcpp run,分支消失 - 模板与 README 的 'x86_64 只能 build' 全部改为可运行 - README 的「未做」表:时钟一行从「未开始」改为「已回答未实现」,由 examples/clock-study 的实测支撑;xim:qemu-x86 一行删除 实测:三例(switch / clock-study)× 三机器全部构建并运行。
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xPack 按目标族发布 QEMU 且没有 x86 构建,于是 x86_64 那一行此前从 apt 装模拟器再手工调用 —— 它是三行里唯一一行结果取决于 Ubuntu 恰好发了什么的。
mcpplibs/qemu-x86从源码为五个宿主构建qemu-system-x86_64,xim:qemu-x86已合入索引(openxlings/xim-pkgindex#665)。改动
build.mcpp的三分支同形。机器类型按 arch 选:两台 RISC 机器上virt,x86_64 上q35—— 它没有 para-virtual 板,镜像经 multiboot 而不是-kernel的裸镜像路径进入,这也是它的链接脚本带 a.out kludge 而另外两个不带的原因mcpp run,if [ -n "\${{ matrix.qemu }}" ]那个分支消失,apt一列删除examples/clock-study:时钟归属的调研,三台机器各跑一次,FINDING.md记录结论xim:qemu-x86一行删除;时钟一行从「未开始」改为「已回答未实现」⭐ 时钟调研的产出
三台机器都能用一条无地址指令读到单调递增的计数器,只有一台能说出它走多快(aarch64 的
cntfrq_el0= 62500 kHz;riscv 架构不报告,x86_64 的 CPUID leaf 0x15 拒绝)。⇒ 把「时钟」当一件事是错的:
counter()属于本层,frequency()与set_deadline()不属于。先写接口会得到三件一套,其中两件在三台里的两台上无法兑现。本地实测
两个例子 × 三台机器全部构建并运行:
switch ok在 riscv64 / aarch64 / x86_64 上都打印,clock-study三台都跑完。x86_64 的引导用的是qemu-x86的载荷。