projects / mirror_edk2.git / blame
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|---|---|---|
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1 | /// Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r |
| 2 | /// This program and the accompanying materials \r | |
| 3eb9473e | 3 | /// are licensed and made available under the terms and conditions of the BSD License \r |
| 4 | /// which accompanies this distribution. The full text of the license may be found at \r | |
| 5 | /// http://opensource.org/licenses/bsd-license.php \r | |
| 6 | /// \r | |
| 7 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 8 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 9 | ///\r | |
| 10 | /// Module Name:\r | |
| 11 | ///\r | |
| 12 | /// CpuFlushTlb.s\r | |
| 13 | ///\r | |
| 14 | /// Abstract:\r | |
| 15 | ///\r | |
| 16 | ///\r | |
| 17 | \r | |
| 18 | .auto\r | |
| 19 | .text\r | |
| 20 | \r | |
| 21 | .globl PalCallStatic\r | |
| 22 | .type PalCallStatic, @function\r | |
| 23 | \r | |
| 24 | .proc CpuFlushTlb\r | |
| 25 | .type CpuFlushTlb, @function\r | |
| 26 | CpuFlushTlb::\r | |
| 27 | alloc loc0 = ar.pfs, 0, 3, 5, 0\r | |
| 28 | mov out0 = 0\r | |
| 29 | mov out1 = 6\r | |
| 30 | mov out2 = 0\r | |
| 31 | mov out3 = 0\r | |
| 32 | mov loc1 = b0\r | |
| 33 | mov out4 = 0\r | |
| 34 | brl.call.sptk b0 = PalCallStatic\r | |
| 35 | mov loc2 = psr // save PSR\r | |
| 36 | mov ar.pfs = loc0\r | |
| 37 | extr.u r14 = r10, 32, 32 // r14 <- count1\r | |
| 38 | rsm 1 << 14 // Disable interrupts\r | |
| 39 | extr.u r15 = r11, 32, 32 // r15 <- stride1\r | |
| 40 | extr.u r10 = r10, 0, 32 // r10 <- count2\r | |
| 41 | add r10 = -1, r10\r | |
| 42 | extr.u r11 = r11, 0, 32 // r11 <- stride2\r | |
| 43 | br.cond.sptk LoopPredicate\r | |
| 44 | LoopOuter:\r | |
| 45 | mov ar.lc = r10 // LC <- count2\r | |
| 46 | mov ar.ec = r0 // EC <- 0\r | |
| 47 | Loop:\r | |
| 48 | ptc.e r9\r | |
| 49 | add r9 = r11, r9 // r9 += stride2\r | |
| 50 | br.ctop.sptk Loop\r | |
| 51 | add r9 = r15, r9 // r9 += stride1\r | |
| 52 | LoopPredicate:\r | |
| 53 | cmp.ne p6 = r0, r14 // count1 == 0?\r | |
| 54 | add r14 = -1, r14\r | |
| 55 | (p6) br.cond.sptk LoopOuter\r | |
| 56 | mov psr.l = loc2\r | |
| 57 | mov b0 = loc1\r | |
| 58 | br.ret.sptk.many b0\r | |
| 59 | .endp\r |