cpu_v2_3: Added new version for cpu driver.
This patch add new version for cpu driver and deprecated the older version. Signed-off-by: P L Sai Krishna <lakshmis@xilinx.com>
This commit is contained in:
P L Sai Krishna
Suneel Garapati
parent
de4c37ded0
commit
13dc99ad96
6 changed files with 1178 additions and 0 deletions
52
XilinxProcessorIPLib/drivers/cpu/data/cpu.mdd
Executable file
52
XilinxProcessorIPLib/drivers/cpu/data/cpu.mdd
Executable file
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@ -0,0 +1,52 @@
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###############################################################################
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#
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# Copyright (C) 2004 - 2014 Xilinx, Inc. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
|
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
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#
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||||
# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# Use of the Software is limited solely to applications:
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# (a) running on a Xilinx device, or
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# (b) that interact with a Xilinx device through a bus or interconnect.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Except as contained in this notice, the name of the Xilinx shall not be used
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# in advertising or otherwise to promote the sale, use or other dealings in
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# this Software without prior written authorization from Xilinx.
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#
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###############################################################################
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OPTION psf_version = 2.1;
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BEGIN driver cpu
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OPTION copyfiles = all;
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OPTION driver_state = ACTIVE;
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OPTION supported_peripherals = (microblaze);
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OPTION default_os = "standalone_v4_1";
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OPTION VERSION = 2.3;
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OPTION NAME = cpu;
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PARAM name = compiler, desc = "Compiler used to compile both BSP/Libraries and Applications.", type = string, default = mb-gcc;
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PARAM name = archiver, desc = "Archiver used to archive libraries for both BSP generation as well as for applications", type = string, default = mb-ar;
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PARAM name = compiler_flags, desc = "Compiler flags used in BSP and library generation. '-c' flag stands for 'compile and assemble, but do not link'. Without this flag, gcc tries to link the code, which will fail bacause there is no application involved during libgen. '-O2' can be overwritten by extra compiler flags", type = string, default = "-O2 -c", permit = none;
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PARAM name = extra_compiler_flags, desc = "Extra compiler flags used in BSP and library generation.", type = string, default = "-g -ffunction-sections -fdata-sections";
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PARAM name = multiplier, desc = "Is there a hard multiplier present ?", type = bool, default = false, state = "deprecated", state_desc = "Presence of hardware multiplier is now automatically detected based on the target FPGA architecture.";
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PARAM name = xmdstub_peripheral, desc = "Debug peripheral to be used with xmdstub", type = peripheral_instance, range = (none, opb_uartlite, opb_uart16550, opb_jtag_uart, opb_mdm, debugnotraceblaze, debugnotraceblazenode, debugtraceblazenode, debugtraceblaze, mdm, xps_uartlite), default = none;
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PARAM name = CORE_CLOCK_FREQ_HZ, desc = "Core Clock Frequency in Hz", type = int, default = 100000000, state = "deprecated";
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END driver
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440
XilinxProcessorIPLib/drivers/cpu/data/cpu.tcl
Executable file
440
XilinxProcessorIPLib/drivers/cpu/data/cpu.tcl
Executable file
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@ -0,0 +1,440 @@
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###############################################################################
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#
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# Copyright (C) 2004 - 2014 Xilinx, Inc. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# Use of the Software is limited solely to applications:
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# (a) running on a Xilinx device, or
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# (b) that interact with a Xilinx device through a bus or interconnect.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Except as contained in this notice, the name of the Xilinx shall not be used
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# in advertising or otherwise to promote the sale, use or other dealings in
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# this Software without prior written authorization from Xilinx.
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#
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##############################################################################
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## @BEGIN_CHANGELOG EDK_L
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## Updated the Tcl to add the bus frequency to xparameters.h
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## @END_CHANGELOG
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## @BEGIN_CHANGELOG EDK_LS3
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## Updated the Tcl to check for Extended FPU for pulling in libm compiled
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## with -mhard-float
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## @END_CHANGELOG
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## @BEGIN_CHANGELOG EDK_MS3
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## Updated the Tcl to pull appropriate libraries for Little Endian Microblaze
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## @END_CHANGELOG
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##
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## MODIFICATION HISTORY:
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##
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## Ver Who Date Changes
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## ----- ---- -------- -------------------------------------------------------
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## 1.04a asa 07/16/12 Updated the tcl to return 100 MHz for CR 668726 for an
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## IP integrator design when when cpu is directly connected
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## to axi slave peripheral
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## 2.0 adk 10/12/13 Updated as per the New Tcl API's
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## 2.1 bss 04/14/14 Updated to copy libgloss.a and libgcc.a libraries
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## 2.1 bss 04/29/14 Updated to copy libgloss.a if exists otherwise libxil.a
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## CR#794205
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## 2.2 bss 08/04/14 Updated to add protection macros for xparameters.h
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## CR#802257
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# uses xillib.tcl
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########################################
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# Make file writable
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########################################
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proc make_writable {osname filename} {
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if {[string first "win64" $osname] != -1 || [string first "win" $osname] != -1 } {
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file attributes $filename -readonly no
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} else {
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file attributes $filename -permissions ugo+w
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}
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}
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proc generate {drv_handle} {
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global env
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global tcl_platform
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set osname "[::hsm::utils::get_hostos_platform]/"
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#---------------------------------------------------------------------------
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# Start of mb-gcc specific processing..
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# 1. Copy libc, libm and libxil files..
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# 2. Generate the attribute interrupt_handler for the interrupting source...
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#---------------------------------------------------------------------------
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set compiler [get_property CONFIG.compiler $drv_handle]
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# preserve case
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set temp $compiler
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set compiler [string tolower $compiler]
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if { $compiler == "mb-gcc" || $compiler == "mb-g++" || $compiler == "mb-c++" } {
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# If the user has just specified the compiler without specifying a path,
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# we default to the compiler root being the EDK installation
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if {[string compare "mb-gcc" $compiler] == 0 ||
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[string compare "mb-g++" $compiler] == 0 ||
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[string compare "mb-c++" $compiler] == 0 } {
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set compiler_root ""
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set xilinx_edk_gnu [array get env XILINX_EDK_GNU]
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set gnu_osdir $osname
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if {[string first "win64" $osname] != -1 || [string first "win" $osname] != -1 } {
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set gnu_osdir "nt"
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} elseif {[string first "lnx64" $osname] != -1 || [string first "lnx" $osname] != -1 } {
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set gnu_osdir "lin"
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}
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if { $xilinx_edk_gnu == "" } {
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append compiler_root $env(XILINX_SDK) "/gnu/microblaze/" $gnu_osdir
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} {
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append compiler_root $env(XILINX_EDK_GNU) "/microblaze/" $gnu_osdir
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}
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} else {
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set compiler_root [file dirname $temp]
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## Big time kludge here. We rely on the compiler toolchain name staying the same forever here.
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set compiler_root [string range $compiler_root 0 [expr [string length $compiler_root] - 4]]
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}
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puts $compiler_root
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# Copy the library files - libc.a, libm.a, libxil.a
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set shifter ""
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set multiplier ""
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set libxil_shifter ""
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set libxil_multiplier ""
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set pattern ""
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set fpu ""
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set libc "libc"
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set libm "libm"
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set sw_proc_handle [get_sw_processor]
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set periph [get_cells [get_property HW_INSTANCE $sw_proc_handle]]
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set proctype [get_property IP_NAME $periph]
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set endian [get_property CONFIG.C_ENDIANNESS $periph]
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if {[string compare -nocase "1" $endian] == 0 } {
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set endian "_le"
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set libxil_endian "le"
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} else {
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set endian ""
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set libxil_endian ""
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}
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set shift [get_property CONFIG.C_USE_BARREL $periph]
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if {[string compare -nocase "1" $shift] == 0 } {
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set shifter "_bs"
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set libxil_shifter "bs"
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}
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set hard_float [get_property CONFIG.C_USE_FPU $periph]
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if {[string compare -nocase "1" $hard_float] == 0 || [string compare -nocase "2" $hard_float] == 0} {
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set fpu "_fpd"
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}
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set pcmp [get_property CONFIG.C_USE_PCMP_INSTR $periph]
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if {[string compare -nocase "1" $pcmp] == 0 } {
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set pattern "_p"
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}
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#-------------------------------------------------
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# Check if MULTIPLIER PARAMETER is set in MSS file
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# If so, then use it. Else find the C_FAMILY
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# and set the multiplier accordingly
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#-------------------------------------------------
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set multiply [get_property CONFIG.C_USE_HW_MUL $periph]
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if {[string compare -nocase "" $multiply] == 0 } {
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set family [string tolower [get_property CONFIG.C_FAMILY $periph]
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if {[string first "virtex" $family] >= 0 } {
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if {[string compare -nocase "virtexe" $family] == 0 } {
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set multiplier ""
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set libxil_multiplier ""
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} else {
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set multiplier "_m"
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set libxil_multiplier "m"
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}
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} elseif {[string compare -nocase "spartan3" $family] == 0 } {
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set multiplier "_m"
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set libxil_multiplier "m"
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}
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} elseif {[string compare -nocase "1" $multiply] == 0 } {
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set multiplier "_m"
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set libxil_multiplier "m"
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}
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set libc [format "%s%s%s%s%s%s" $libc $endian $multiplier $shifter $pattern ".a"]
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set libm [format "%s%s%s%s%s%s%s" $libm $endian $multiplier $shifter $pattern $fpu ".a"]
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set libxil "libgloss.a"
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set libgcc "libgcc.a"
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set targetdir "../../lib/"
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#------------------------------------------------------
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# Copy libc, libm , libxil files...
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#
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# There are checks and flows to handle differences in
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# the GCC 3.4.1 toolchain (EDK 9.1i and prior) and
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# the GCC 4.1.1 toolchain (EDK 9.2i and later)
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#------------------------------------------------------
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set libcfilename [format "%s%s" $targetdir "libc.a"]
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set libmfilename [format "%s%s" $targetdir "libm.a"]
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set library_dir [file join $compiler_root "microblaze/lib"]
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if { ![file exists $library_dir] } {
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set library_dir [file join $compiler_root "microblaze-xilinx-elf/lib"]
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if { ![file exists $library_dir] } {
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error "Couldn't figure out compiler's library directory" "" "hsm_error"
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}
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set libgcc_dir [file join $compiler_root "lib/gcc/microblaze-xilinx-elf"]
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set libgcc_dir [glob -dir $libgcc_dir *]
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if { ![file exists $libgcc_dir] } {
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error "Couldn't figure out compiler's GCC library directory" "" "hsm_error"
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}
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}
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file copy -force [file join $library_dir $libc] $libcfilename
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make_writable $osname $libcfilename
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file copy -force [file join $library_dir $libm] $libmfilename
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make_writable $osname $libmfilename
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set libxil_path [file join $library_dir $libxil_shifter $libxil_multiplier $libxil_endian $libxil]
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set symlink [file type $libxil_path]
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if { ![file exists $libxil_path] || $symlink == "link"} {
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# no libgloss.a in older SDK use libxil.a
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set libxil "libxil.a"
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set libxil_path [file join $library_dir $libxil_shifter $libxil_multiplier $libxil_endian $libxil]
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}
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set libgcc_path [file join $libgcc_dir $libxil_shifter $libxil_multiplier $libxil_endian $libgcc]
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if { ![file exists $libxil_path] } {
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set libxil_path [file join $env(XILINX_SDK) "data/embeddedsw/lib/microblaze/" $libxil]
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}
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file copy -force $libxil_path $targetdir
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make_writable $osname [file join $targetdir $libxil]
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file copy -force $libgcc_path $targetdir
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make_writable $osname [file join $targetdir $libgcc]
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} else {
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error "ERROR: Wrong compiler type selected please use mb-gcc or mb-g++ or mb-c++"
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return;
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}
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# End of mb-gcc specific processing...
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#------------------------------------
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# Handle xmdstub generation
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#------------------------------------
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set xmdstub_periph [get_property CONFIG.xmdstub_peripheral $drv_handle]
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if {[string compare -nocase "none" $xmdstub_periph] != 0 } {
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set xmdstub_periph_handle [xget_hwhandle $xmdstub_periph]
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set targetdir "../../code"
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set filename "xmdstub.s"
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file copy -force [file join $env(XILINX_SDK) "data/embeddedsw/lib/microblaze/src" $filename] $targetdir
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file mtime [file join $targetdir $filename] [clock seconds]
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set filename "make.xmdstub"
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file copy -force [file join $env(XILINX_SDK) "data/embeddedsw/lib/microblaze/src" $filename] $targetdir
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file mtime [file join $targetdir $filename] [clock seconds]
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set xmd_addr_file [open "../../code/xmdstubaddr.s" w]
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set xmdstub_periph_baseaddr [::hsm::utils::format_addr_string [xget_value $xmdstub_periph_handle "PARAMETER" "C_BASEADDR"] "C_BASEADDR"]
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puts $xmd_addr_file ".equ DEBUG_PERIPHERAL_BASEADDRESS, $xmdstub_periph_baseaddr"
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close $xmd_addr_file
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# execute make
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set pwd [pwd]
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if [catch {cd "../../code"} err] {
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error "Couldn't cd to code directory: $err" "" "hsm_error"
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return
|
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}
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if [catch {exec make -f make.xmdstub xmdstub} err] {
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error "Couldn't make xmdstub: $err" "" "hsm_error"
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return
|
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}
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cd $pwd
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}
|
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#--------------------------
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# Handle the Bus Frequency
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#--------------------------
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set file_handle [::hsm::utils::open_include_file "xparameters.h"]
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puts $file_handle "#ifndef XPARAMETERS_H /* prevent circular inclusions */"
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puts $file_handle "#define XPARAMETERS_H /* by using protection macros */"
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puts $file_handle ""
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puts $file_handle "/* Definitions for bus frequencies */"
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set bus_array {"M_AXI_DP" "M_AXI_IP"}
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set bus_freq [::hsm::utils::get_clk_pin_freq $periph "Clk"]
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if {[llength $bus_freq] == 0} {
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set bus_freq "100000000"
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}
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|
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foreach bus_inst $bus_array {
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set bhandle [get_intf_pins $bus_inst -of_objects $periph]
|
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if { $bhandle == "" } {
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continue;
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}
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puts $file_handle "#define [::hsm::utils::get_driver_param_name "cpu" [format "%s_FREQ_HZ" $bus_inst]] $bus_freq"
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}
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puts $file_handle "/******************************************************************/"
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puts $file_handle ""
|
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puts $file_handle "/* Canonical definitions for bus frequencies */"
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set bus_id 0
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foreach bus $bus_array {
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set bhandle [get_intf_pins $bus_inst -of_objects $periph]
|
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if { $bhandle == "" } {
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continue;
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}
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puts $file_handle "#define [::hsm::utils::get_driver_param_name "PROC_BUS" [format "%d_FREQ_HZ" $bus_id]] $bus_freq"
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incr bus_id
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}
|
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puts $file_handle "/******************************************************************/"
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puts $file_handle ""
|
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|
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#--------------------------
|
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# define CORE_CLOCK_FREQ_HZ
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#--------------------------
|
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set clk_freq [::hsm::utils::get_clk_pin_freq $periph "Clk"]
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puts $file_handle "#define [::hsm::utils::get_driver_param_name "cpu" CORE_CLOCK_FREQ_HZ] $clk_freq"
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puts $file_handle "#define [format "XPAR_%s_CORE_CLOCK_FREQ_HZ" [string toupper $proctype]] $clk_freq"
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puts $file_handle "\n/******************************************************************/\n"
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close $file_handle
|
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|
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#--------------------------
|
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# define all params
|
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#--------------------------
|
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::hsm::utils::define_all_params $drv_handle "xparameters.h"
|
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|
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#----------------------------------------
|
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# define all params without instance name
|
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#----------------------------------------
|
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::hsm::utils::define_processor_params $drv_handle "xparameters.h"
|
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xdefine_addr_params_for_ext_intf $drv_handle "xparameters.h"
|
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}
|
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proc xdefine_addr_params_for_ext_intf {drvhandle file_name} {
|
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set sw_proc_handle [get_sw_processor]
|
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set hw_proc_handle [get_cells [get_property HW_INSTANCE $sw_proc_handle ]]
|
||||
|
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# Open include file
|
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set file_handle [::hsm::utils::open_include_file $file_name]
|
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|
||||
set mem_ranges [get_mem_ranges -of_objects $hw_proc_handle]
|
||||
foreach mem_range $mem_ranges {
|
||||
set inst [get_property INSTANCE $mem_range]
|
||||
if {$inst != ""} {
|
||||
continue
|
||||
}
|
||||
|
||||
set bparam_name [get_property BASE_NAME $mem_range]
|
||||
set bparam_value [get_property BASE_VALUE $mem_range]
|
||||
set hparam_name [get_property HIGH_NAME $mem_range]
|
||||
set hparam_value [get_property HIGH_VALUE $mem_range]
|
||||
|
||||
# Print all parameters for all peripherals
|
||||
|
||||
set name [string toupper [get_property NAME $mem_range]]
|
||||
puts $file_handle ""
|
||||
puts $file_handle "/* Definitions for interface [string toupper $name] */"
|
||||
set name [format "XPAR_%s_" $name]
|
||||
|
||||
if {$bparam_value != ""} {
|
||||
set value [::hsm::utils::format_addr_string $bparam_value $bparam_name]
|
||||
set param [string toupper $bparam_name]
|
||||
if {[string match C_* $param]} {
|
||||
set name [format "%s%s" $name [string range $param 2 end]]
|
||||
} else {
|
||||
set name [format "%s%s" $name $param]
|
||||
}
|
||||
|
||||
puts $file_handle "#define $name $value"
|
||||
}
|
||||
|
||||
set name [string toupper [get_property NAME $mem_range]]
|
||||
set name [format "XPAR_%s_" $name]
|
||||
if {$hparam_value != ""} {
|
||||
set value [::hsm::utils::format_addr_string $hparam_value $hparam_name]
|
||||
set param [string toupper $hparam_name]
|
||||
if {[string match C_* $param]} {
|
||||
set name [format "%s%s" $name [string range $param 2 end]]
|
||||
} else {
|
||||
set name [format "%s%s" $name $param]
|
||||
}
|
||||
|
||||
puts $file_handle "#define $name $value"
|
||||
}
|
||||
|
||||
|
||||
puts $file_handle ""
|
||||
}
|
||||
|
||||
close $file_handle
|
||||
}
|
||||
|
||||
proc post_generate {drv_handle} {
|
||||
set file_handle [::hsm::utils::open_include_file "xparameters.h"]
|
||||
puts $file_handle "#endif /* end of protection macro */"
|
||||
close $file_handle
|
||||
}
|
||||
|
||||
# Returns the frequency of a bus
|
||||
#proc xget_busfreq {bus_name} {
|
||||
# set bus_freq ""
|
||||
# set bus_handle [xget_hwhandle $bus_name]
|
||||
# if {$bus_handle == ""} {
|
||||
# puts "WARNING: Bus Clock frequency information is not available in the design, for $bus_name. Assuming a default frequency of 100MHz\n"
|
||||
# return 100000000
|
||||
# }
|
||||
#
|
||||
# set bus_type [xget_hw_value $bus_handle]
|
||||
#
|
||||
# if { $bus_type == "axi_interconnect" } {
|
||||
# set port_name "INTERCONNECT_ACLK"
|
||||
# }
|
||||
# set clkhandle [xget_hw_port_handle $bus_handle $port_name]
|
||||
# if { [string compare -nocase $clkhandle ""] != 0 } {
|
||||
# set bus_freq [xget_hw_subproperty_value $clkhandle "CLK_FREQ_HZ"]
|
||||
# }
|
||||
# return $bus_freq
|
||||
#}
|
||||
|
||||
# Returns the frequency of a bus for IPI system
|
||||
#proc xget_bus_freq_value {periph_handle bus_name} {
|
||||
# set bus_freq ""
|
||||
# set bus_handle [xget_hw_ipinst_handle $periph_handle $bus_name]
|
||||
# if {$bus_handle == ""} {
|
||||
# puts "WARNING: Bus Clock frequency information is not available in the design, for $bus_name. Assuming a default frequency of 100MHz\n"
|
||||
# return 100000000
|
||||
# }
|
||||
#
|
||||
# set bus_type [xget_hw_value $bus_handle]
|
||||
#
|
||||
# if { $bus_type == "plb_v34" || $bus_type == "plb_v46" } {
|
||||
# set port_name "PLB_Clk"
|
||||
# } elseif { $bus_type == "axi_interconnect" } {
|
||||
# set port_name "INTERCONNECT_ACLK"
|
||||
# } elseif { $bus_type == "axi_crossbar" } {
|
||||
# set port_name "ACLK"
|
||||
# } else {
|
||||
# set port_name "OPB_Clk"
|
||||
# }
|
||||
# set clkhandle [xget_hw_port_handle $bus_handle $port_name]
|
||||
# if { [string compare -nocase $clkhandle ""] != 0 } {
|
||||
# set bus_freq [xget_hw_subproperty_value $clkhandle "CLK_FREQ_HZ"]
|
||||
# }
|
||||
# return $bus_freq
|
||||
#}
|
||||
27
XilinxProcessorIPLib/drivers/cpu/src/Makefile
Executable file
27
XilinxProcessorIPLib/drivers/cpu/src/Makefile
Executable file
|
|
@ -0,0 +1,27 @@
|
|||
COMPILER=
|
||||
ARCHIVER=
|
||||
CP=cp
|
||||
COMPILER_FLAGS=
|
||||
EXTRA_COMPILER_FLAGS=
|
||||
LIB=libxil.a
|
||||
|
||||
RELEASEDIR=../../../lib
|
||||
INCLUDEDIR=../../../include
|
||||
INCLUDES=-I${INCLUDEDIR}
|
||||
|
||||
OUTS = *.o
|
||||
|
||||
LIBSOURCES=*.c
|
||||
INCLUDEFILES=xio.h
|
||||
|
||||
libs:
|
||||
echo "Compiling cpu"
|
||||
$(COMPILER) $(COMPILER_FLAGS) $(EXTRA_COMPILER_FLAGS) $(INCLUDES) $(LIBSOURCES)
|
||||
$(ARCHIVER) -r ${RELEASEDIR}/${LIB} ${OUTS}
|
||||
make clean
|
||||
|
||||
include:
|
||||
${CP} ${INCLUDEFILES} ${INCLUDEDIR}
|
||||
|
||||
clean:
|
||||
rm -rf ${OUTS}
|
||||
169
XilinxProcessorIPLib/drivers/cpu/src/fsl.h
Executable file
169
XilinxProcessorIPLib/drivers/cpu/src/fsl.h
Executable file
|
|
@ -0,0 +1,169 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
* @file fsl.h
|
||||
*
|
||||
* This file contains macros for interfacing to the Fast Simplex Link (FSL)
|
||||
* interface..
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ---- -------- ---------------------------------------------------
|
||||
* 1.00a ecm 06/20/07 Initial version, moved over from bsp area
|
||||
* 1.11c ecm 08/26/08 Fixed the missing 'FSL_DEFAULT' define that was causing
|
||||
* assembly errors.
|
||||
* </pre>
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* None.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
|
||||
#ifndef _FSL_H
|
||||
#define _FSL_H
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/* if these have not been defined already, define here */
|
||||
#ifndef stringify
|
||||
|
||||
/* necessary for pre-processor */
|
||||
#define stringify(s) tostring(s)
|
||||
#define tostring(s) #s
|
||||
|
||||
#endif /* stringify */
|
||||
|
||||
/* Extended FSL macros. These now replace all of the previous FSL macros */
|
||||
#define FSL_DEFAULT
|
||||
#define FSL_NONBLOCKING n
|
||||
#define FSL_EXCEPTION e
|
||||
#define FSL_CONTROL c
|
||||
#define FSL_ATOMIC a
|
||||
|
||||
#define FSL_NONBLOCKING_EXCEPTION ne
|
||||
#define FSL_NONBLOCKING_CONTROL nc
|
||||
#define FSL_NONBLOCKING_ATOMIC na
|
||||
#define FSL_EXCEPTION_CONTROL ec
|
||||
#define FSL_EXCEPTION_ATOMIC ea
|
||||
#define FSL_CONTROL_ATOMIC ca
|
||||
|
||||
#define FSL_NONBLOCKING_EXCEPTION_CONTROL nec
|
||||
#define FSL_NONBLOCKING_EXCEPTION_ATOMIC nea
|
||||
#define FSL_NONBLOCKING_CONTROL_ATOMIC nca
|
||||
#define FSL_EXCEPTION_CONTROL_ATOMIC eca
|
||||
|
||||
#define FSL_NONBLOCKING_EXCEPTION_CONTROL_ATOMIC neca
|
||||
|
||||
#define getfslx(val, id, flags) asm volatile (stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define putfslx(val, id, flags) asm volatile (stringify(flags) "put\t%0,rfsl" stringify(id) :: "d" (val))
|
||||
|
||||
#define tgetfslx(val, id, flags) asm volatile ("t" stringify(flags) "get\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define tputfslx(id, flags) asm volatile ("t" stringify(flags) "put\trfsl" stringify(id))
|
||||
|
||||
#define getdfslx(val, var, flags) asm volatile (stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var))
|
||||
#define putdfslx(val, var, flags) asm volatile (stringify(flags) "putd\t%0,%1" :: "d" (val), "d" (var))
|
||||
|
||||
#define tgetdfslx(val, var, flags) asm volatile ("t" stringify(flags) "getd\t%0,%1" : "=d" (val) : "d" (var))
|
||||
#define tputdfslx(var, flags) asm volatile ("t" stringify(flags) "putd\t%0" :: "d" (var))
|
||||
|
||||
/* if the mb_interface.h file has been included already, the following are not needed and will not be defined */
|
||||
|
||||
/* Legacy FSL Access Macros */
|
||||
|
||||
#ifndef getfsl
|
||||
|
||||
/* Blocking Data Read and Write to FSL no. id */
|
||||
#define getfsl(val, id) asm volatile ("get\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define putfsl(val, id) asm volatile ("put\t%0,rfsl" stringify(id) :: "d" (val))
|
||||
|
||||
/* Non-blocking Data Read and Write to FSL no. id */
|
||||
#define ngetfsl(val, id) asm volatile ("nget\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define nputfsl(val, id) asm volatile ("nput\t%0,rfsl" stringify(id) :: "d" (val))
|
||||
|
||||
/* Blocking Control Read and Write to FSL no. id */
|
||||
#define cgetfsl(val, id) asm volatile ("cget\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define cputfsl(val, id) asm volatile ("cput\t%0,rfsl" stringify(id) :: "d" (val))
|
||||
|
||||
/* Non-blocking Control Read and Write to FSL no. id */
|
||||
#define ncgetfsl(val, id) asm volatile ("ncget\t%0,rfsl" stringify(id) : "=d" (val))
|
||||
#define ncputfsl(val, id) asm volatile ("ncput\t%0,rfsl" stringify(id) :: "d" (val))
|
||||
|
||||
/* Polling versions of FSL access macros. This makes the FSL access interruptible */
|
||||
#define getfsl_interruptible(val, id) asm volatile ("\n1:\n\tnget\t%0,rfsl" stringify(id) "\n\t" \
|
||||
"addic\tr18,r0,0\n\t" \
|
||||
"bnei\tr18,1b\n" \
|
||||
: "=d" (val) :: "r18")
|
||||
|
||||
#define putfsl_interruptible(val, id) asm volatile ("\n1:\n\tnput\t%0,rfsl" stringify(id) "\n\t" \
|
||||
"addic\tr18,r0,0\n\t" \
|
||||
"bnei\tr18,1b\n" \
|
||||
:: "d" (val) : "r18")
|
||||
|
||||
#define cgetfsl_interruptible(val, id) asm volatile ("\n1:\n\tncget\t%0,rfsl" stringify(id) "\n\t" \
|
||||
"addic\tr18,r0,0\n\t" \
|
||||
"bnei\tr18,1b\n" \
|
||||
: "=d" (val) :: "r18")
|
||||
|
||||
#define cputfsl_interruptible(val, id) asm volatile ("\n1:\n\tncput\t%0,rfsl" stringify(id) "\n\t" \
|
||||
"addic\tr18,r0,0\n\t" \
|
||||
"bnei\tr18,1b\n" \
|
||||
:: "d" (val) : "r18")
|
||||
/* FSL valid and error check macros. */
|
||||
#define fsl_isinvalid(result) asm volatile ("addic\t%0,r0,0" : "=d" (result))
|
||||
#define fsl_iserror(error) asm volatile ("mfs\t%0,rmsr\n\t" \
|
||||
"andi\t%0,%0,0x10" : "=d" (error))
|
||||
|
||||
#endif /* legacy FSL defines */
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/************************** Variable Definitions *****************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif /* _FSL_H */
|
||||
227
XilinxProcessorIPLib/drivers/cpu/src/xio.c
Executable file
227
XilinxProcessorIPLib/drivers/cpu/src/xio.c
Executable file
|
|
@ -0,0 +1,227 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xio.c
|
||||
*
|
||||
* Contains I/O functions for memory-mapped or non-memory-mapped I/O
|
||||
* architectures. These functions encapsulate generic CPU I/O requirements.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ---- -------- -------------------------------------------------------
|
||||
* 1.00a rpm 11/07/03 Added InSwap/OutSwap routines for endian conversion
|
||||
* 1.01a ecm 02/24/06 CR225908 corrected the extra curly braces in macros
|
||||
* and bumped version to 1.01.a.
|
||||
* 2.11a mta 03/21/07 Updated to new coding style.
|
||||
*
|
||||
* </pre>
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* This file may contain architecture-dependent code.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xio.h"
|
||||
#include "xil_types.h"
|
||||
#include "xil_assert.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs a 16-bit endian converion.
|
||||
*
|
||||
* @param Source contains the value to be converted.
|
||||
* @param DestPtr contains a pointer to the location to put the
|
||||
* converted value.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
void XIo_EndianSwap16(u16 Source, u16 *DestPtr)
|
||||
{
|
||||
*DestPtr = (u16) (((Source & 0xFF00) >> 8) | ((Source & 0x00FF) << 8));
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs a 32-bit endian converion.
|
||||
*
|
||||
* @param Source contains the value to be converted.
|
||||
* @param DestPtr contains a pointer to the location to put the
|
||||
* converted value.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
void XIo_EndianSwap32(u32 Source, u32 *DestPtr)
|
||||
{
|
||||
/* get each of the half words from the 32 bit word */
|
||||
|
||||
u16 LoWord = (u16) (Source & 0x0000FFFF);
|
||||
u16 HiWord = (u16) ((Source & 0xFFFF0000) >> 16);
|
||||
|
||||
/* byte swap each of the 16 bit half words */
|
||||
|
||||
LoWord = (((LoWord & 0xFF00) >> 8) | ((LoWord & 0x00FF) << 8));
|
||||
HiWord = (((HiWord & 0xFF00) >> 8) | ((HiWord & 0x00FF) << 8));
|
||||
|
||||
/* swap the half words before returning the value */
|
||||
|
||||
*DestPtr = (u32) ((LoWord << 16) | HiWord);
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an input operation for a 16-bit memory location by reading from the
|
||||
* specified address and returning the byte-swapped value read from that
|
||||
* address.
|
||||
*
|
||||
* @param InAddress contains the address to perform the input
|
||||
* operation at.
|
||||
*
|
||||
* @return The byte-swapped value read from the specified input address.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
u16 XIo_InSwap16(XIo_Address InAddress)
|
||||
{
|
||||
u16 InData;
|
||||
|
||||
/* get the data then swap it */
|
||||
InData = XIo_In16(InAddress);
|
||||
|
||||
return (u16) (((InData & 0xFF00) >> 8) | ((InData & 0x00FF) << 8));
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an input operation for a 32-bit memory location by reading from the
|
||||
* specified address and returning the byte-swapped value read from that
|
||||
* address.
|
||||
*
|
||||
* @param InAddress contains the address to perform the input
|
||||
* operation at.
|
||||
*
|
||||
* @return The byte-swapped value read from the specified input address.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
u32 XIo_InSwap32(XIo_Address InAddress)
|
||||
{
|
||||
u32 InData;
|
||||
u32 SwapData;
|
||||
|
||||
/* get the data then swap it */
|
||||
InData = XIo_In32(InAddress);
|
||||
XIo_EndianSwap32(InData, &SwapData);
|
||||
|
||||
return SwapData;
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an output operation for a 16-bit memory location by writing the
|
||||
* specified value to the the specified address. The value is byte-swapped
|
||||
* before being written.
|
||||
*
|
||||
* @param OutAddress contains the address to perform the output
|
||||
* operation at.
|
||||
* @param Value contains the value to be output at the specified address.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
void XIo_OutSwap16(XIo_Address OutAddress, u16 Value)
|
||||
{
|
||||
u16 OutData;
|
||||
|
||||
/* swap the data then output it */
|
||||
OutData = (u16) (((Value & 0xFF00) >> 8) | ((Value & 0x00FF) << 8));
|
||||
|
||||
XIo_Out16(OutAddress, OutData);
|
||||
}
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an output operation for a 32-bit memory location by writing the
|
||||
* specified value to the the specified address. The value is byte-swapped
|
||||
* before being written.
|
||||
*
|
||||
* @param OutAddress contains the address at which the
|
||||
* output operation has to be done.
|
||||
* @param Value contains the value to be output at the specified address.
|
||||
*
|
||||
* @return None.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
void XIo_OutSwap32(XIo_Address OutAddress, u32 Value)
|
||||
{
|
||||
u32 OutData;
|
||||
|
||||
/* swap the data then output it */
|
||||
XIo_EndianSwap32(Value, &OutData);
|
||||
XIo_Out32(OutAddress, OutData);
|
||||
}
|
||||
263
XilinxProcessorIPLib/drivers/cpu/src/xio.h
Executable file
263
XilinxProcessorIPLib/drivers/cpu/src/xio.h
Executable file
|
|
@ -0,0 +1,263 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* Use of the Software is limited solely to applications:
|
||||
* (a) running on a Xilinx device, or
|
||||
* (b) that interact with a Xilinx device through a bus or interconnect.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*
|
||||
* Except as contained in this notice, the name of the Xilinx shall not be used
|
||||
* in advertising or otherwise to promote the sale, use or other dealings in
|
||||
* this Software without prior written authorization from Xilinx.
|
||||
*
|
||||
******************************************************************************/
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* @file xio.h
|
||||
*
|
||||
* This file contains the interface for the XIo component, which encapsulates
|
||||
* the Input/Output functions for processors that do not require any special
|
||||
* I/O handling.
|
||||
*
|
||||
* <pre>
|
||||
* MODIFICATION HISTORY:
|
||||
*
|
||||
* Ver Who Date Changes
|
||||
* ----- ---- -------- -------------------------------------------------------
|
||||
* 1.00a rpm 11/07/03 Added InSwap/OutSwap routines for endian conversion
|
||||
* 1.00a xd 11/04/04 Improved support for doxygen
|
||||
* 1.01a ecm 02/24/06 CR225908 corrected the extra curly braces in macros
|
||||
* and bumped version to 1.01.a.
|
||||
* 1.11a mta 03/21/07 Updated to new coding style.
|
||||
* 1.11b va 04/17/08 Updated Tcl for better CORE_CLOCK_FREQ_HZ definition
|
||||
* 1.11a sdm 03/12/09 Updated Tcl to define correct value for CORE_CLOCK_FREQ_HZ
|
||||
* (CR #502010)
|
||||
* 1.13a sdm 03/12/09 Updated the Tcl to pull appropriate libraries for Little
|
||||
* Endian Microblaze
|
||||
* 2.0 adk 19/12/13 Updated as per the New Tcl API's
|
||||
* 2.1 bss 04/14/14 Updated tcl to copy libgloss.a and libgcc.a libraries
|
||||
* 2.1 bss 04/29/14 Updated to copy libgloss.a if exists otherwise libxil.a
|
||||
* CR#794205
|
||||
* 2.2 bss 08/04/14 Updated driver tcl to add protection macros for
|
||||
* xparameters.h (CR#802257).
|
||||
*
|
||||
* </pre>
|
||||
*
|
||||
* @note
|
||||
*
|
||||
* This file may contain architecture-dependent items (memory-mapped or
|
||||
* non-memory-mapped I/O).
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
#ifndef XIO_H /* prevent circular inclusions */
|
||||
#define XIO_H /* by using protection macros */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/***************************** Include Files *********************************/
|
||||
|
||||
#include "xil_types.h"
|
||||
#include "xil_assert.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
|
||||
/**
|
||||
* Typedef for an I/O address. Typically correlates to the width of the
|
||||
* address bus.
|
||||
*/
|
||||
typedef u32 XIo_Address;
|
||||
|
||||
/***************** Macros (Inline Functions) Definitions *********************/
|
||||
|
||||
/*
|
||||
* The following macros allow optimized I/O operations for memory mapped I/O.
|
||||
* It should be noted that macros cannot be used if synchronization of the I/O
|
||||
* operation is needed as it will likely break some code.
|
||||
*/
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an input operation for an 8-bit memory location by reading from the
|
||||
* specified address and returning the value read from that address.
|
||||
*
|
||||
* @param InputPtr contains the address to perform the input operation at.
|
||||
*
|
||||
* @return The value read from the specified input address.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_In8(InputPtr) (*(volatile u8 *)(InputPtr))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an input operation for a 16-bit memory location by reading from the
|
||||
* specified address and returning the value read from that address.
|
||||
*
|
||||
* @param InputPtr contains the address to perform the input operation at.
|
||||
*
|
||||
* @return The value read from the specified input address.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_In16(InputPtr) (*(volatile u16 *)(InputPtr))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an input operation for a 32-bit memory location by reading from the
|
||||
* specified address and returning the value read from that address.
|
||||
*
|
||||
* @param InputPtr contains the address to perform the input operation at.
|
||||
*
|
||||
* @return The value read from the specified input address.
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_In32(InputPtr) (*(volatile u32 *)(InputPtr))
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an output operation for an 8-bit memory location by writing the
|
||||
* specified value to the the specified address.
|
||||
*
|
||||
* @param OutputPtr contains the address to perform the output operation
|
||||
* at.
|
||||
* @param Value contains the value to be output at the specified address.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_Out8(OutputPtr, Value) \
|
||||
(*(volatile u8 *)((OutputPtr)) = (Value))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an output operation for a 16-bit memory location by writing the
|
||||
* specified value to the the specified address.
|
||||
*
|
||||
* @param OutputPtr contains the address to perform the output operation
|
||||
* at.
|
||||
* @param Value contains the value to be output at the specified address.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_Out16(OutputPtr, Value) \
|
||||
(*(volatile u16 *)((OutputPtr)) = (Value))
|
||||
|
||||
/*****************************************************************************/
|
||||
/**
|
||||
*
|
||||
* Performs an output operation for a 32-bit memory location by writing the
|
||||
* specified value to the the specified address.
|
||||
*
|
||||
* @param OutputPtr contains the address to perform the output operation
|
||||
* at.
|
||||
* @param Value contains the value to be output at the specified address.
|
||||
*
|
||||
* @return None
|
||||
*
|
||||
* @note None.
|
||||
*
|
||||
******************************************************************************/
|
||||
#define XIo_Out32(OutputPtr, Value) \
|
||||
(*(volatile u32 *)((OutputPtr)) = (Value))
|
||||
|
||||
|
||||
/* The following macros allow the software to be transportable across
|
||||
* processors which use big or little endian memory models.
|
||||
*
|
||||
* Defined first is a no-op endian conversion macro. This macro is not to
|
||||
* be used directly by software. Instead, the XIo_To/FromLittleEndianXX and
|
||||
* XIo_To/FromBigEndianXX macros below are to be used to allow the endian
|
||||
* conversion to only be performed when necessary
|
||||
*/
|
||||
#define XIo_EndianNoop(Source, DestPtr) (*DestPtr = Source)
|
||||
|
||||
#ifdef XLITTLE_ENDIAN
|
||||
|
||||
#define XIo_ToLittleEndian16 XIo_EndianNoop
|
||||
#define XIo_ToLittleEndian32 XIo_EndianNoop
|
||||
#define XIo_FromLittleEndian16 XIo_EndianNoop
|
||||
#define XIo_FromLittleEndian32 XIo_EndianNoop
|
||||
|
||||
#define XIo_ToBigEndian16(Source, DestPtr) XIo_EndianSwap16(Source, DestPtr)
|
||||
#define XIo_ToBigEndian32(Source, DestPtr) XIo_EndianSwap32(Source, DestPtr)
|
||||
#define XIo_FromBigEndian16 XIo_ToBigEndian16
|
||||
#define XIo_FromBigEndian32 XIo_ToBigEndian32
|
||||
|
||||
#else
|
||||
|
||||
#define XIo_ToLittleEndian16(Source, DestPtr) XIo_EndianSwap16(Source, DestPtr)
|
||||
#define XIo_ToLittleEndian32(Source, DestPtr) XIo_EndianSwap32(Source, DestPtr)
|
||||
#define XIo_FromLittleEndian16 XIo_ToLittleEndian16
|
||||
#define XIo_FromLittleEndian32 XIo_ToLittleEndian32
|
||||
|
||||
#define XIo_ToBigEndian16 XIo_EndianNoop
|
||||
#define XIo_ToBigEndian32 XIo_EndianNoop
|
||||
#define XIo_FromBigEndian16 XIo_EndianNoop
|
||||
#define XIo_FromBigEndian32 XIo_EndianNoop
|
||||
|
||||
#endif
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
|
||||
/* The following functions allow the software to be transportable across
|
||||
* processors which use big or little endian memory models. These functions
|
||||
* should not be directly called, but the macros XIo_To/FromLittleEndianXX and
|
||||
* XIo_To/FromBigEndianXX should be used to allow the endian conversion to only
|
||||
* be performed when necessary.
|
||||
*/
|
||||
void XIo_EndianSwap16(u16 Source, u16 *DestPtr);
|
||||
void XIo_EndianSwap32(u32 Source, u32 *DestPtr);
|
||||
|
||||
/* The following functions handle IO addresses where data must be swapped
|
||||
* They cannot be implemented as macros
|
||||
*/
|
||||
u16 XIo_InSwap16(XIo_Address InAddress);
|
||||
u32 XIo_InSwap32(XIo_Address InAddress);
|
||||
void XIo_OutSwap16(XIo_Address OutAddress, u16 Value);
|
||||
void XIo_OutSwap32(XIo_Address OutAddress, u32 Value);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* end of protection macro */
|
||||
Loading…
Add table
Reference in a new issue