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| author | klaar36 <klas.arvidsson@liu.se> | 2015-03-20 17:30:24 +0100 |
|---|---|---|
| committer | klaar36 <klas.arvidsson@liu.se> | 2015-03-20 17:30:24 +0100 |
| commit | e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad (patch) | |
| tree | 4de97af7207676b69cb6a9aba8cb443cc134855d /src/misc/bochs-2.2.6-jitter.patch | |
| parent | b0418a24e709f0632d2ede5b0f327c422931939b (diff) | |
| download | pintos-rs-e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad.tar.gz | |
Initial Pintos
Diffstat (limited to 'src/misc/bochs-2.2.6-jitter.patch')
| -rw-r--r-- | src/misc/bochs-2.2.6-jitter.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/misc/bochs-2.2.6-jitter.patch b/src/misc/bochs-2.2.6-jitter.patch new file mode 100644 index 0000000..48917e0 --- /dev/null +++ b/src/misc/bochs-2.2.6-jitter.patch @@ -0,0 +1,61 @@ +diff -urp bochs-2.2.6/iodev/pit82c54.cc bochs-2.2.6.orig/iodev/pit82c54.cc +--- bochs-2.2.6.orig/iodev/pit82c54.cc 2006-01-08 12:39:08.000000000 -0800 ++++ bochs-2.2.6/iodev/pit82c54.cc 2006-04-03 14:00:27.000000000 -0700 +@@ -28,6 +28,7 @@ + + #include "iodev.h" + #include "pit82c54.h" ++#include <stdlib.h> + #define LOG_THIS this-> + + +@@ -359,7 +360,13 @@ + case 2: + if(thisctr.count_written) { + if(thisctr.triggerGATE || thisctr.first_pass) { +- set_count(thisctr, thisctr.inlatch); ++ unsigned n = thisctr.inlatch; ++ if (jitter && n > 5) { ++ n *= (double) rand() / RAND_MAX; ++ if (n < 5) ++ n = 5; ++ } ++ set_count(thisctr, n); + thisctr.next_change_time=(thisctr.count_binary-1) & 0xFFFF; + thisctr.null_count=0; + if(thisctr.inlatch==1) { +diff -urp bochs-2.2.6/main.cc bochs-2.2.6.orig/main.cc +--- bochs-2.2.6.orig/main.cc 2006-01-22 04:31:15.000000000 -0800 ++++ bochs-2.2.6/main.cc 2006-04-03 14:00:54.000000000 -0700 +@@ -105,6 +105,7 @@ + #endif + + char *bochsrc_filename = NULL; ++int jitter = 0; + + void bx_print_header () + { +@@ -459,6 +460,13 @@ + else if (!strcmp ("-q", argv[arg])) { + SIM->get_param_enum(BXP_BOCHS_START)->set (BX_QUICK_START); + } ++ else if (!strcmp ("-j", argv[arg])) { ++ if (++arg >= argc) BX_PANIC(("-j must be followed by a number")); ++ else { ++ jitter = 1; ++ srand (atoi (argv[arg])); ++ } ++ } + else if (!strcmp ("-f", argv[arg])) { + if (++arg >= argc) BX_PANIC(("-f must be followed by a filename")); + else bochsrc_filename = argv[arg]; +diff -up /home/blp/cs140/bochs-2.2.6/bochs.h\~ /home/blp/cs140/bochs-2.2.6/bochs.h +--- bochs-2.2.6/bochs.h.orig 2006-01-28 08:16:02.000000000 -0800 ++++ bochs-2.2.6/bochs.h 2006-04-03 14:03:54.000000000 -0700 +@@ -698,4 +698,6 @@ int bx_init_hardware (); + + #endif + ++extern int jitter; ++ + #endif /* BX_BOCHS_H */ |