stos: bpal: Add kernel command line request

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/stos/head/ke/bpal.h

@@ -75,12 +75,14 @@ typedef struct {
  * @Framebuffer:    Framebuffer info
  * @MemEntryIdx:    Callback to get memory map entry by index
  * @ModuleLookup:   Lookup a module
+ * @CommandLine:    Kernel command line
  */
 typedef struct {
     UPTR KernelBase;
     BPAL_FRAMEBUFFER Framebuffer;
     ST_STATUS(*MemEntryIdx)(USIZE Idx, MEMMAP_ENTRY *Result);
     ST_STATUS(*ModuleLookup)(CHAR *Path, BPAL_MODULE *Result);
+    const CHAR *CommandLine;
 } BPAL_HANDLE;
 
 /*

paw/stos/ke/bpal/proto/limine.c

@@ -58,6 +58,13 @@ static volatile struct limine_module_request ModReq = {
     .revision = 0
 };
 
+/* Command line request */
+static struct limine_executable_cmdline_response *CmdLineResp = NULL;
+static struct limine_executable_cmdline_request CmdLineReq = {
+    .id = LIMINE_EXECUTABLE_CMDLINE_REQUEST_ID,
+    .revision = 0
+};
+
 static ST_STATUS
 LimineModuleLookup(CHAR *Path, BPAL_MODULE *Result)
 {
@@ -136,6 +143,7 @@ KeBpalLimineInit(BPAL_HANDLE *Handle)
     ModResp = ModReq.response;
     FbResp = FbReq.response;
     MapResp = MapReq.response;
+    CmdLineResp = CmdLineReq.response;
 
     DTRACE(
         "slut handed control by %s %s\n",
@@ -153,6 +161,12 @@ KeBpalLimineInit(BPAL_HANDLE *Handle)
         LoaderPerfResp->exec_usec
     );
 
+    Handle->CommandLine = CmdLineResp->cmdline;
+    DTRACE(
+        "kernel parameters : %s\n",
+        Handle->CommandLine
+    );
+
     BpalInitFramebuffer(Handle);
     Handle->KernelBase = HHDMResp->offset;
     Handle->MemEntryIdx = LimineMemEntryIdx;