feat: expose drive labels to userspace, render in Files

programs/include/Api/Syscall.hpp

@@ -157,6 +157,7 @@ namespace Montauk {
     static constexpr uint64_t SYS_CLIPBOARD_GET_TEXT = 121;
     static constexpr uint64_t SYS_CLIPBOARD_CLEAR    = 122;
     static constexpr uint64_t SYS_INPUT_WAIT          = 123;
+    static constexpr uint64_t SYS_DRIVELABEL          = 124;
 
     static constexpr uint32_t CLIPBOARD_MAX_TEXT_BYTES = 256 * 1024;
 

programs/include/libc/montauk.h

@@ -92,6 +92,7 @@ extern "C" {
 #define MTK_SYS_FMKDIR          78
 #define MTK_SYS_FRENAME         94
 #define MTK_SYS_DRIVELIST       79
+#define MTK_SYS_DRIVELABEL      124
 #define MTK_SYS_AUDIOOPEN       80
 #define MTK_SYS_AUDIOCLOSE      81
 #define MTK_SYS_AUDIOWRITE      82

programs/include/montauk/syscall.h

@@ -161,6 +161,9 @@ namespace montauk {
     inline int drivelist(int* outDrives, int max) {
         return (int)syscall2(Montauk::SYS_DRIVELIST, (uint64_t)outDrives, (uint64_t)max);
     }
+    inline int drivelabel(int drive, char* outLabel, int maxLen) {
+        return (int)syscall3(Montauk::SYS_DRIVELABEL, (uint64_t)drive, (uint64_t)outLabel, (uint64_t)maxLen);
+    }
 
     // Memory
     inline void* alloc(uint64_t size) { return (void*)syscall1(Montauk::SYS_ALLOC, size); }