Mercurial > repos > blastem

comparison cpu_dsl.py @ 2676:7e86ec94c899

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implement breakpoints in new 68K core
author Michael Pavone <pavone@retrodev.com>
date Sat, 15 Mar 2025 23:15:05 -0700
parents 6894a25ebfaa
children e3394457427e
comparison
equal deleted inserted replaced
2675:dbff641a33df 2676:7e86ec94c899
2054 self.context_type = self.prefix + 'context' 2054 self.context_type = self.prefix + 'context'
2055 self.body = info.get('body', [None])[0] 2055 self.body = info.get('body', [None])[0]
2056 self.interrupt = info.get('interrupt', [None])[0] 2056 self.interrupt = info.get('interrupt', [None])[0]
2057 self.sync_cycle = info.get('sync_cycle', [None])[0] 2057 self.sync_cycle = info.get('sync_cycle', [None])[0]
2058 self.includes = info.get('include', []) 2058 self.includes = info.get('include', [])
2059 self.pc_reg = info.get('pc_reg', [None])[0]
2060 self.pc_offset = info.get('pc_offset', [0])[0]
2059 self.flags = flags 2061 self.flags = flags
2060 self.lastDst = None 2062 self.lastDst = None
2061 self.scopes = [] 2063 self.scopes = []
2062 self.currentScope = None 2064 self.currentScope = None
2063 self.lastOp = None 2065 self.lastOp = None
2086 macro = header.upper().replace('.', '_') 2088 macro = header.upper().replace('.', '_')
2087 hFile.write('#ifndef {0}_'.format(macro)) 2089 hFile.write('#ifndef {0}_'.format(macro))
2088 hFile.write('\n#define {0}_'.format(macro)) 2090 hFile.write('\n#define {0}_'.format(macro))
2089 hFile.write('\n#include <stdio.h>') 2091 hFile.write('\n#include <stdio.h>')
2090 hFile.write('\n#include "backend.h"') 2092 hFile.write('\n#include "backend.h"')
2093 if self.pc_reg:
2094 hFile.write('\n#include "tern.h"')
2091 hFile.write(f'\n\ntypedef struct {self.prefix}options {self.prefix}options;') 2095 hFile.write(f'\n\ntypedef struct {self.prefix}options {self.prefix}options;')
2092 hFile.write(f'\n\ntypedef struct {self.prefix}context {self.prefix}context;') 2096 hFile.write(f'\n\ntypedef struct {self.prefix}context {self.prefix}context;')
2093 for decl in self.declares: 2097 for decl in self.declares:
2094 if decl.startswith('define '): 2098 if decl.startswith('define '):
2095 decl = '#' + decl 2099 decl = '#' + decl
2098 hFile.write('\n\tcpu_options gen;') 2102 hFile.write('\n\tcpu_options gen;')
2099 hFile.write('\n\tFILE* address_log;') 2103 hFile.write('\n\tFILE* address_log;')
2100 hFile.write('\n};') 2104 hFile.write('\n};')
2101 hFile.write(f'\n\nstruct {self.prefix}context {{') 2105 hFile.write(f'\n\nstruct {self.prefix}context {{')
2102 hFile.write(f'\n\t{self.prefix}options *opts;') 2106 hFile.write(f'\n\t{self.prefix}options *opts;')
2107 if self.pc_reg:
2108 hFile.write('\n\ttern_node *breakpoints;');
2103 self.regs.writeHeader(otype, hFile) 2109 self.regs.writeHeader(otype, hFile)
2104 hFile.write('\n};') 2110 hFile.write('\n};')
2105 hFile.write('\n') 2111 hFile.write('\n')
2106 hFile.write('\nvoid {pre}execute({type} *context, uint32_t target_cycle);'.format(pre = self.prefix, type = self.context_type)) 2112 hFile.write('\nvoid {pre}execute({type} *context, uint32_t target_cycle);'.format(pre = self.prefix, type = self.context_type))
2107 hFile.write('\n#endif //{0}_'.format(macro)) 2113 hFile.write('\n#endif //{0}_'.format(macro))
2199 if self.dispatch == 'call': 2205 if self.dispatch == 'call':
2200 if self.body in self.subroutines: 2206 if self.body in self.subroutines:
2201 pieces.append('\nvoid {pre}execute({type} *context, uint32_t target_cycle)'.format(pre = self.prefix, type = self.context_type)) 2207 pieces.append('\nvoid {pre}execute({type} *context, uint32_t target_cycle)'.format(pre = self.prefix, type = self.context_type))
2202 pieces.append('\n{') 2208 pieces.append('\n{')
2203 pieces.append('\n\t{sync}(context, target_cycle);'.format(sync=self.sync_cycle)) 2209 pieces.append('\n\t{sync}(context, target_cycle);'.format(sync=self.sync_cycle))
2210 if self.pc_reg:
2211 pieces.append('\n\tif (context->breakpoints) {')
2212 pieces.append('\n\t\twhile (context->cycles < target_cycle)')
2213 pieces.append('\n\t\t{')
2214 if self.interrupt in self.subroutines:
2215 pieces.append('\n\t\t\tif (context->cycles >= context->sync_cycle) {')
2216 pieces.append(f'\n\t\t\t\t{self.sync_cycle}(context, target_cycle);')
2217 pieces.append('\n\t\t\t}')
2218 self.meta = {}
2219 self.temp = {}
2220 intpieces = []
2221 self.subroutines[self.interrupt].inline(self, [], intpieces, otype, None)
2222 for size in self.temp:
2223 pieces.append('\n\t\t\tuint{sz}_t gen_tmp{sz}__;'.format(sz=size))
2224 pieces += intpieces
2225 if self.pc_offset:
2226 pieces.append(f'\n\t\t\tuint32_t debug_pc = context->{self.pc_reg} - {self.pc_offset};')
2227 pc_reg = 'debug_pc'
2228 else:
2229 pc_reg = 'context->' + self.pc_reg
2230 pieces.append('\n\t\t\tchar key_buf[6];')
2231 pieces.append(f'\n\t\t\tdebug_handler handler = tern_find_ptr(context->breakpoints, tern_int_key({pc_reg}, key_buf));')
2232 pieces.append('\n\t\t\tif (handler) {')
2233 pieces.append(f'\n\t\t\t\thandler(context, {pc_reg});')
2234 pieces.append('\n\t\t\t}')
2235 self.meta = {}
2236 self.temp = {}
2237 self.subroutines[self.body].inline(self, [], pieces, otype, None)
2238 pieces.append('\n\t}')
2239 pieces.append('\n\t} else {')
2204 pieces.append('\n\twhile (context->cycles < target_cycle)') 2240 pieces.append('\n\twhile (context->cycles < target_cycle)')
2205 pieces.append('\n\t{') 2241 pieces.append('\n\t{')
2206 if self.interrupt in self.subroutines: 2242 if self.interrupt in self.subroutines:
2207 pieces.append('\n\t\tif (context->cycles >= context->sync_cycle) {') 2243 pieces.append('\n\t\tif (context->cycles >= context->sync_cycle) {')
2208 pieces.append(f'\n\t\t\t{self.sync_cycle}(context, target_cycle);') 2244 pieces.append(f'\n\t\t\t{self.sync_cycle}(context, target_cycle);')
2216 pieces += intpieces 2252 pieces += intpieces
2217 self.meta = {} 2253 self.meta = {}
2218 self.temp = {} 2254 self.temp = {}
2219 self.subroutines[self.body].inline(self, [], pieces, otype, None) 2255 self.subroutines[self.body].inline(self, [], pieces, otype, None)
2220 pieces.append('\n\t}') 2256 pieces.append('\n\t}')
2257 if self.pc_reg:
2258 pieces.append('\n\t}')
2221 pieces.append('\n}') 2259 pieces.append('\n}')
2222 body.append('\nstatic void unimplemented({pre}context *context, uint32_t target_cycle)'.format(pre = self.prefix)) 2260 body.append('\nstatic void unimplemented({pre}context *context, uint32_t target_cycle)'.format(pre = self.prefix))
2223 body.append('\n{') 2261 body.append('\n{')
2224 if len(self.mainDispatch) == 1: 2262 if len(self.mainDispatch) == 1:
2225 dispatch = self.resolveParam(list(self.mainDispatch)[0], None, {}) 2263 dispatch = self.resolveParam(list(self.mainDispatch)[0], None, {})