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| author | Alex White <alex.white@oarcorp.com> | 2021-12-23 17:33:39 -0600 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2022-02-01 16:58:24 -0600 |
| commit | 37543e196813e552fa316cf595f26e1ac612e34a (patch) | |
| tree | 3f700b07df48cb9ce23ae607648c227313dc067a /bsps/microblaze/microblaze_fpga/start/microblaze_enable_dcache.S | |
| parent | microblaze: Add support for libbsd. (diff) | |
| download | rtems-37543e196813e552fa316cf595f26e1ac612e34a.tar.bz2 | |
microblaze: Add support for libbsd networking
This includes fixes and improvements necessary to get libbsd networking
running.
Diffstat (limited to '')
| -rw-r--r-- | bsps/microblaze/microblaze_fpga/start/microblaze_enable_dcache.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/bsps/microblaze/microblaze_fpga/start/microblaze_enable_dcache.S b/bsps/microblaze/microblaze_fpga/start/microblaze_enable_dcache.S new file mode 100644 index 0000000000..78babf0176 --- /dev/null +++ b/bsps/microblaze/microblaze_fpga/start/microblaze_enable_dcache.S @@ -0,0 +1,20 @@ +/****************************************************************************** +* Copyright (c) 2004 - 2020 Xilinx, Inc. All rights reserved. +* SPDX-License-Identifier: MIT +******************************************************************************/ + + .text + .globl microblaze_enable_dcache + .ent microblaze_enable_dcache + .align 2 +microblaze_enable_dcache: + /* Read the MSR register */ + mfs r8, rmsr + /* Set the interrupt enable bit */ + ori r8, r8, 0x80 + /* Save the MSR register */ + mts rmsr, r8 + /* Return */ + rtsd r15, 8 + nop + .end microblaze_enable_dcache |