process.cc (6420:7d0e7547be5e) process.cc (6421:1aa0b4673699)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007-2008 The Florida State University
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

--- 482 unchanged lines hidden (view full) ---

491 sizeof(memory_barrier));
492
493 // This -should- be atomic, but I don't think all the support that we'd
494 // need is implemented. There should also be memory barriers around it.
495 uint8_t cmpxchg[] =
496 {
497 0x00, 0x30, 0x92, 0xe5, //ldr r3, [r2]
498 0x00, 0x30, 0x53, 0xe0, //subs r3, r3, r0
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007-2008 The Florida State University
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

--- 482 unchanged lines hidden (view full) ---

491 sizeof(memory_barrier));
492
493 // This -should- be atomic, but I don't think all the support that we'd
494 // need is implemented. There should also be memory barriers around it.
495 uint8_t cmpxchg[] =
496 {
497 0x00, 0x30, 0x92, 0xe5, //ldr r3, [r2]
498 0x00, 0x30, 0x53, 0xe0, //subs r3, r3, r0
499 0x00, 0x10, 0x92, 0x05, //streq r1, [r2]
499 0x00, 0x10, 0x82, 0x05, //streq r1, [r2]
500 0x03, 0x00, 0xa0, 0xe1, //mov r0, r3
501 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
502 };
503 tc->getMemPort()->writeBlob(commPage + 0x0fc0, cmpxchg, sizeof(cmpxchg));
504
505 uint8_t get_tls[] =
506 {
507 0x08, 0x00, 0x9f, 0xe5, //ldr r0, [pc, #(16 - 8)]

--- 22 unchanged lines hidden --- 		500 0x03, 0x00, 0xa0, 0xe1, //mov r0, r3
501 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
502 };
503 tc->getMemPort()->writeBlob(commPage + 0x0fc0, cmpxchg, sizeof(cmpxchg));
504
505 uint8_t get_tls[] =
506 {
507 0x08, 0x00, 0x9f, 0xe5, //ldr r0, [pc, #(16 - 8)]

--- 22 unchanged lines hidden ---