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Update the flag count from 256 to 512

This commit is contained in:
Cary R 2020-05-31 12:49:59 -07:00
parent 1aba4acebe
commit a151407ca4
2 changed files with 9 additions and 6 deletions
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11
tgt-vvp/vvp.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001-2014 Stephen Williams (steve@icarus.com)
* Copyright (c) 2001-2020 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -28,7 +28,7 @@
static const char*version_string =
"Icarus Verilog VVP Code Generator " VERSION " (" VERSION_TAG ")\n\n"
"Copyright (c) 2001-2015 Stephen Williams (steve@icarus.com)\n\n"
"Copyright (c) 2001-2020 Stephen Williams (steve@icarus.com)\n\n"
" This program is free software; you can redistribute it and/or modify\n"
" it under the terms of the GNU General Public License as published by\n"
" the Free Software Foundation; either version 2 of the License, or\n"
@ -50,7 +50,8 @@ unsigned show_file_line = 0;
int debug_draw = 0;
# define FLAGS_COUNT 256
/* This needs to match the actual flag count in the VVP thread. */
# define FLAGS_COUNT 512
static uint32_t allocate_flag_mask[FLAGS_COUNT / 32] = { 0x000000ff, 0 };
@ -109,7 +110,9 @@ int allocate_flag(void)
return idx;
}
return -1;
fprintf(stderr, "vvp.tgt error: Exceeded the maximum flag count of "
"%d during VVP code generation.\n", FLAGS_COUNT);
exit(1);
}
void clr_flag(int idx)

4
vvp/vthread.cc
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001-2018 Stephen Williams (steve@icarus.com)
* Copyright (c) 2001-2020 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -102,7 +102,7 @@ struct vthread_s {
/* This is the program counter. */
vvp_code_t pc;
/* These hold the private thread bits. */
enum { FLAGS_COUNT = 256, WORDS_COUNT = 16 };
enum { FLAGS_COUNT = 512, WORDS_COUNT = 16 };
vvp_bit4_t flags[FLAGS_COUNT];
/* These are the word registers. */