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| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-08-25 10:28:07 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-08-25 10:28:07 +0200 |
| commit | 1057fd299e17fcc04f6b3a1aa3ace1026f8652a0 (patch) | |
| tree | a663c7dcd26779295ce0d9681418964f802f2d14 /dev/libDDK/src/ddk_kernel_call_dispatch.S | |
| parent | 1a32b9307357ac0fc9095e853b2b6d94f9fe62bb (diff) | |
| parent | 328b34360ab8b2462ea5858441693277b3d23f08 (diff) | |
Merge pull request #56 from nekernel-org/dev
Errata: v0.0.4
Diffstat (limited to 'dev/libDDK/src/ddk_kernel_call_dispatch.S')
| -rw-r--r-- | dev/libDDK/src/ddk_kernel_call_dispatch.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dev/libDDK/src/ddk_kernel_call_dispatch.S b/dev/libDDK/src/ddk_kernel_call_dispatch.S new file mode 100644 index 00000000..05ee8209 --- /dev/null +++ b/dev/libDDK/src/ddk_kernel_call_dispatch.S @@ -0,0 +1,42 @@ +/** + lang: asm + compiler: gnu + */ + +.globl __ke_call_dispatch + +.text + +/* Really simple function, takes our va-list, + and brings it to the trap handler in the Kernel. */ + +#if defined(__DDK_AMD64__) + +/* args rcx, rdx, r8, r9 */ +__ke_call_dispatch: + pushq rbp + movq rbp, rsp + + syscall + + popq rbp + + ret + +#elif defined(__DDK_POWER64__) + +/* args r8, r9, r10, r11 */ +__ke_call_dispatch: + /* There is no specific interrupt request id for a system call in POWER. */ + sc + blr + +#elif defined(__DDK_ARM64__) + +/* args x0, x8, x9, x10, x11 is kept to tell that this is a Kernel call */ +__ke_call_dispatch: + /* There is no specific interrupt request id for a system call in ARM64 as well. */ + mov x9, #0x33 + svc #0 + +#endif |