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 On Time RTOS-32 Documentation
 Welcome
 RTTarget-32
RTTarget-32 Programming Manual
 Introduction
Running Win32 Programs without Win32
The i386 Microprocessor
RTLoc: Locating a Program
Running a Program on the Target
Cross Debugging
Using an IDE
The RTTarget-32 API
Demo Programs
Advanced Topics
 Choosing a Locate Method
Running with or without Paging
Running at CPL 0 or 3
Installing Hardware Interrupt Handlers
Catching NULL Pointer Assignments
Catching Stack Overflows
Running without Run-Time System
Avoid Repeated Downloads
Configuration for Debug and Release Builds
Using Data Compression
Using DLLs through RTLoc
Loading DLLs through a File System
RAM File System
Installable File System
Multithread Applications
Using the MetaWINDOW Graphics Library
Using the 387 Emulator
Using Non-Volatile Memory
APIC Mode
Multiprocessor Applications
Custom MP Floating Pointer Structure
RTVmf-32
RTRth-32
Device Management
Configuration Files
Compiling and Linking
Run-Time Requirements
Debugging
Performance Optimizations
Compiling and Linking with On Time RTOS-32
Redistributable Components of RTTarget-32
RTLoc Error Messages
RTTarget-32 Reference Manual
RTKernel-32
RTFiles-32
RTIP-32
RTPEG-32
RTUSB-32
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Device Management
Please consult the Real-Time Hypervisor documentation on how ISA and PCI devices can be assigned to On Time RTOS-32. On Time RTOS-32 can only use a very few devices in all configurations:
- Local APIC timer (used by RTTarget-32's Win32 Date and Time Management or RTKernel-32 drivers Clkrth).
- Virtual interrupt controller (used by the Interrupt Handling functions of RTTarget-32, which are replaced by library Rtrth.lib).
- Virtual network interface. This interface can be used through RTIP-32 driver RTRTH_DEVICE to communicate with other OS instances on the same physical computer or for cross debugging.
The application must ensure that On Time RTOS-32 does not access any ISA or PCI devices in use by other cores. For the interrupt controllers, A20 gate, the PC Timer chip, and the keyboard, this can be achieved with BOOTFLAGS BF_NO_A20, BF_NO_PCTIMER, BF_NO_SLAVE_PIC, BF_NO_MASTER_PIC, BF_NO_KEYBRD.
RTTarget-32 and RTKernel-32's COM port and LPT port drivers will query at run-time whether access to these devices is allowed. All PCI devices in use by Windows are hidden, so no PCI device driver will find them.
RTFiles-32 drivers for ISA devices (floppy, and IDE) do not automatically detect whether access to these devices is allowed. Only devices which have been assigned to On Time RTOS-32 may be specified in the RTFiles-32 device list. Please do not use the default RTFiles-32 device list as it does include entries for floppy and IDE disks!
 RTRth-32
 Configuration Files
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