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Diffstat (limited to 'dev/user/docs/SPECIFICATION_SYSCALLS.md')
| -rw-r--r-- | dev/user/docs/SPECIFICATION_SYSCALLS.md | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/dev/user/docs/SPECIFICATION_SYSCALLS.md b/dev/user/docs/SPECIFICATION_SYSCALLS.md index 607c7532..b4b11c8c 100644 --- a/dev/user/docs/SPECIFICATION_SYSCALLS.md +++ b/dev/user/docs/SPECIFICATION_SYSCALLS.md @@ -1,16 +1,25 @@ =================================== - # 0: General Information - =================================== -- Programming Language: C/C++ -- Build System: Make/BTB -- Purpose: System Call Interface +- **Programming Language**: C / C++ +- **Build System**: Make / BTB (Build the Build) +- **Purpose**: System Call Interface (SCI) for NeKernel =================================== +# 1: How It Works +=================================== -# 1: How It works +- This header provides the raw API surface for accessing NeKernel's system calls. -=================================== +- It is **not** directly used by applications. + - Instead, it is abstracted by the **SystemSDK**, which presents a stable, high-level interface. + +- At runtime: + - System calls are routed from user-space code to the **kernel syscall manager**. + - The syscall manager executes the requested operation and returns control to `libSystem`. + - Finally, the result is delivered back to the originating process. +- This separation ensures that: + - The SCI remains low-level and close to the ABI. + - `SystemSDK` provides portability and shielding from changes in syscall internals.
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