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feat(arch): Add armv8i (32-bit ARM/AArch32) architecture & complete TUI configurator

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- Support ARMv8i / ARM32 (AArch32) baremetal target with arm-linux-gnueabihf toolchain
- Implement ARMv8i boot entry point, banked exception mode stacks (IRQ, ABT, UND, SVC)
- Implement 8 exception vectors, GICv2 distributor/CPU interface, CP15 Generic Timer (100 Hz), flat Section MMU
- Support PL011 UART for early console & interactive LazyBox TTY input
- Update Makefile with make armv8i_defconfig and automated cross-compilation
- Update scripts/kconfig/menuconfig.py with dedicated armv8i options
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subhobhai943 committed 2026-08-18 11:13:23 +05:30
1 parent 70d5925b16
commit 7b646c8cc4
30 files changed
+964 -24
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scripts/kconfig/menuconfig.py
+6 -2
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@@ -355,10 +355,14 @@ def defconfig(arch="x86_64"):
cfg["CONFIG_ARCH_X86_64"] = True
cfg["CONFIG_ARCH_AARCH64"] = False
cfg["CONFIG_ARCH_ARMV8I"] = False
elif arch in ["aarch64", "armv8", "armv8i"]:
elif arch in ["aarch64", "arm64"]:
cfg["CONFIG_ARCH_X86_64"] = False
cfg["CONFIG_ARCH_AARCH64"] = True
cfg["CONFIG_ARCH_ARMV8I"] = (arch == "armv8i")
cfg["CONFIG_ARCH_ARMV8I"] = False
elif arch in ["armv8i", "arm32", "arm", "armv8"]:
cfg["CONFIG_ARCH_X86_64"] = False
cfg["CONFIG_ARCH_AARCH64"] = False
cfg["CONFIG_ARCH_ARMV8I"] = True
save_config(cfg)
print(f"*** Default configuration for '{arch}' written to {CONFIG_FILE} and {AUTOCONF_HEADER} ***")