diff options
| author |   RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
|---|---|---|
| committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
| commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
| tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/api/README | |
| parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) | |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/api/README')
| -rw-r--r-- | qemu/roms/u-boot/api/README | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/qemu/roms/u-boot/api/README b/qemu/roms/u-boot/api/README deleted file mode 100644 index 6df225f58..000000000 --- a/qemu/roms/u-boot/api/README +++ /dev/null @@ -1,55 +0,0 @@ -U-Boot machine/arch independent API for external apps -===================================================== - -1. Main assumptions - - - there is a single entry point (syscall) to the API - - - per current design the syscall is a C-callable function in the U-Boot - text, which might evolve into a real syscall using machine exception trap - once this initial version proves functional - - - the consumer app is responsible for producing appropriate context (call - number and arguments) - - - upon entry, the syscall dispatches the call to other (existing) U-Boot - functional areas like networking or storage operations - - - consumer application will recognize the API is available by searching - a specified (assumed by convention) range of address space for the - signature - - - the U-Boot integral part of the API is meant to be thin and non-intrusive, - leaving as much processing as possible on the consumer application side, - for example it doesn't keep states, but relies on hints from the app and - so on - - - optional (CONFIG_API) - - -2. Calls - - - console related (getc, putc, tstc etc.) - - system (reset, platform info) - - time (delay, current) - - env vars (enumerate all, get, set) - - devices (enumerate all, open, close, read, write); currently two classes - of devices are recognized and supported: network and storage (ide, scsi, - usb etc.) - - -3. Structure overview - - - core API, integral part of U-Boot, mandatory - - implements the single entry point (mimics UNIX syscall) - - - glue - - entry point at the consumer side, allows to make syscall, mandatory - part - - - helper conveniency wrappers so that consumer app does not have to use - the syscall directly, but in a more friendly manner (a la libc calls), - optional part - - - consumer application - - calls directly, or leverages the provided glue mid-layer |