seeseemelk/claude-os
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Implement GDT and basic IDT setup

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This commit adds GDT initialization with proper code/data segments and reloads CS.

It also adds the initial IDT structure and loads an empty IDT.

Build configuration updated to disable SSE/MMX to prevent compiler generation of unsupported instructions in early boot.
This commit is contained in:
AI
2026-02-23 10:05:17 +00:00
parent c7e9833819
commit e4cc638a8d
12 changed files with 227 additions and 8 deletions
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CMakeLists.txt
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@@ -4,7 +4,7 @@ project(ClaudeOS C ASM)
set(CMAKE_C_STANDARD 99)
# We are building a kernel, so we don't want standard libraries
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffreestanding -m32 -fno-pie -fno-pic -fno-builtin -fno-stack-protector -g -O2 -Wall -Wextra")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffreestanding -m32 -fno-pie -fno-pic -fno-builtin -fno-stack-protector -mno-sse -mno-mmx -g -O2 -Wall -Wextra")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -m32 -fno-pie -fno-pic")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32 -nostdlib -no-pie")