[258] | 1 | /* |
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| 2 | * This file is part of MutekH. |
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| 3 | * |
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| 4 | * MutekH is free software; you can redistribute it and/or modify it |
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| 5 | * under the terms of the GNU Lesser General Public License as published |
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| 6 | * by the Free Software Foundation; version 2.1 of the License. |
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| 7 | * |
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| 8 | * MutekH is distributed in the hope that it will be useful, but |
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| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 11 | * Lesser General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU Lesser General Public |
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| 14 | * License along with MutekH; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 16 | * 02110-1301 USA |
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| 17 | * |
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| 18 | * Copyright (c) UPMC, Lip6, SoC |
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| 19 | */ |
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| 20 | |
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| 21 | #include "srl_private_types.h" |
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| 22 | #include "srl_sched_wait.h" |
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| 23 | #include "srl_hw_helpers.h" |
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| 24 | #include "stdio.h" |
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| 25 | |
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| 26 | #define endian_cpu32(x) (x) |
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| 27 | |
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| 28 | #define DECLARE_WAIT(name, cmp) \ |
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| 29 | \ |
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| 30 | void srl_sched_wait_##name(void * addr, sint32_t val) { \ |
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| 31 | srl_dcache_flush_addr(addr); \ |
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| 32 | if (((sint32_t) * ((unsigned int *) addr)) cmp val) \ |
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| 33 | return; \ |
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| 34 | do { \ |
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| 35 | srl_sched_wait_priv(100);?? \ |
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| 36 | srl_dcache_flush_addr(addr); \ |
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| 37 | } while (((sint32_t) * ((unsigned int *) addr)) cmp val); \ |
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| 38 | } |
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| 39 | |
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| 40 | |
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| 41 | |
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| 42 | DECLARE_WAIT(eq, ==) |
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| 43 | |
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| 44 | DECLARE_WAIT(ne, !=) |
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| 45 | |
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| 46 | DECLARE_WAIT(le, <=) |
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| 47 | |
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| 48 | DECLARE_WAIT(ge, >=) |
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| 49 | |
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| 50 | DECLARE_WAIT(lt, <) |
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| 51 | |
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| 52 | DECLARE_WAIT(gt, >) |
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| 53 | |
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| 54 | //TODO |
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| 55 | void srl_sched_wait_priv(uint32_t date) { |
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| 56 | do { |
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| 57 | context_switch(); |
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| 58 | } while (srl_cycle_count() > date); |
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| 59 | } |
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| 60 | |
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| 61 | void srl_sleep_cycles(uint32_t n) { |
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| 62 | uint32_t next_run_to = srl_cycle_count() + n; |
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| 63 | |
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| 64 | while (srl_cycle_count() < next_run_to) { |
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| 65 | srl_sched_wait_priv(next_run_to); |
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| 66 | } |
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| 67 | } |
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| 68 | |
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| 69 | |
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| 70 | // Local Variables: |
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| 71 | // tab-width: 4 |
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| 72 | // c-basic-offset: 4 |
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| 73 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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| 74 | // indent-tabs-mode: nil |
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| 75 | // End: |
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| 76 | // vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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| 77 | |
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