X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmem%2Fvport.cc;h=15be45c2a484e10d4a00494c6ebc8a8dc8384b7e;hb=9a675a0391aa0c0463baf8bac0b9209b675306a8;hp=0d53e4609985156503d1769c0d8abd37129bb9e3;hpb=cb0cf2dd8ab1cd60ef13de925ac862268c07297f;p=gem5.git diff --git a/src/mem/vport.cc b/src/mem/vport.cc index 0d53e4609..15be45c2a 100644 --- a/src/mem/vport.cc +++ b/src/mem/vport.cc @@ -29,10 +29,12 @@ */ /** - * @file Port object definitions. + * @file + * Port object definitions. */ #include "base/chunk_generator.hh" +#include "cpu/thread_context.hh" #include "mem/vport.hh" void @@ -42,8 +44,8 @@ VirtualPort::readBlob(Addr addr, uint8_t *p, int size) for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done(); gen.next()) { - if (xc) - paddr = TheISA::vtophys(xc,gen.addr()); + if (tc) + paddr = TheISA::vtophys(tc,gen.addr()); else paddr = TheISA::vtophys(gen.addr()); @@ -59,8 +61,8 @@ VirtualPort::writeBlob(Addr addr, uint8_t *p, int size) for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done(); gen.next()) { - if (xc) - paddr = TheISA::vtophys(xc,gen.addr()); + if (tc) + paddr = TheISA::vtophys(tc,gen.addr()); else paddr = TheISA::vtophys(gen.addr()); @@ -69,3 +71,46 @@ VirtualPort::writeBlob(Addr addr, uint8_t *p, int size) } } +void +CopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen) +{ + uint8_t *dst = (uint8_t *)dest; + VirtualPort *vp = tc->getVirtPort(); + + vp->readBlob(src, dst, cplen); +} + +void +CopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen) +{ + uint8_t *src = (uint8_t *)source; + VirtualPort *vp = tc->getVirtPort(); + + vp->writeBlob(dest, src, cplen); +} + +void +CopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen) +{ + int len = 0; + char *start = dst; + VirtualPort *vp = tc->getVirtPort(); + + do { + vp->readBlob(vaddr++, (uint8_t*)dst++, 1); + } while (len < maxlen && start[len++] != 0 ); + + dst[len] = 0; +} + +void +CopyStringIn(ThreadContext *tc, char *src, Addr vaddr) +{ + VirtualPort *vp = tc->getVirtPort(); + for (ChunkGenerator gen(vaddr, strlen(src), TheISA::PageBytes); !gen.done(); + gen.next()) + { + vp->writeBlob(gen.addr(), (uint8_t*)src, gen.size()); + src += gen.size(); + } +}