feat: added Files app USB medium detection

programs/include/Api/Syscall.hpp

@@ -160,6 +160,7 @@ namespace Montauk {
     static constexpr uint64_t SYS_INPUT_WAIT          = 123;
     static constexpr uint64_t SYS_DRIVELABEL          = 124;
     static constexpr uint64_t SYS_NETSTATUS           = 125;
+    static constexpr uint64_t SYS_DRIVEKIND           = 127;
 
     static constexpr uint32_t CLIPBOARD_MAX_TEXT_BYTES = 256 * 1024;
 

programs/include/gui/desktop.hpp

@@ -123,6 +123,8 @@ struct DesktopState {
     SvgIcon icon_exec_lg;
     SvgIcon icon_drive;
     SvgIcon icon_drive_lg;
+    SvgIcon icon_drive_usb;
+    SvgIcon icon_drive_usb_lg;
     SvgIcon icon_delete;
     SvgIcon icon_copy;
     SvgIcon icon_cut;

programs/include/montauk/syscall.h

@@ -164,6 +164,11 @@ namespace montauk {
     inline int drivelabel(int drive, char* outLabel, int maxLen) {
         return (int)syscall3(Montauk::SYS_DRIVELABEL, (uint64_t)drive, (uint64_t)outLabel, (uint64_t)maxLen);
     }
+    // Returns the kernel BlockDeviceKind backing the drive: 0=unknown/ramdisk,
+    // 1=SATA, 2=SATAPI, 3=NVMe, 4=USB MSC.
+    inline int drivekind(int drive) {
+        return (int)syscall1(Montauk::SYS_DRIVEKIND, (uint64_t)drive);
+    }
 
     // Memory
     inline void* alloc(uint64_t size) { return (void*)syscall1(Montauk::SYS_ALLOC, size); }