derek/gem5
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

misc: Use the new bufval helpers in RegClass and Packet.

Browse Source 
Those makes generally useful mechanisms are now available to any code
that wants to use it, and are covered by a unit test.

Change-Id: If918eba3b81443019c5789ab132de45c65f93072
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57150
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Gabe Black
2022-02-25 05:01:09 -08:00
parent 9df4159456
commit 001e17890c
2 changed files with 16 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/cpu/reg_class.cc
View File

@@ -43,6 +43,8 @@
#include <sstream>
#include "base/cprintf.hh"
#include "sim/bufval.hh"
#include "sim/byteswap.hh"
namespace gem5
{
@@ -58,42 +60,15 @@ RegClassOps::valString(const void *val, size_t size) const
{
// If this is just a RegVal, or could be interpreted as one, print it
// that way.
if (size == sizeof(uint64_t))
return csprintf("0x%016x", *(const uint64_t *)val);
else if (size == sizeof(uint32_t))
return csprintf("0x%08x", *(const uint32_t *)val);
else if (size == sizeof(uint16_t))
return csprintf("0x%04x", *(const uint16_t *)val);
else if (size == sizeof(uint8_t))
return csprintf("0x%02x", *(const uint8_t *)val);
auto [reg_val_str, reg_val_success] = printUintX(val, size, HostByteOrder);
if (reg_val_success)
return reg_val_str;
// Otherwise, print it as a sequence of bytes, 4 in a chunk, separated by
// spaces, and all surrounded by []s.
// Otherwise, print it as a sequence of bytes. Use big endian order so
// that the most significant bytes are printed first, like digits in a
// regular number.
std::stringstream out;
ccprintf(out, "[");
constexpr size_t chunk_size = 4;
const uint8_t *bytes = (const uint8_t *)val;
while (size >= chunk_size) {
size -= chunk_size;
if (size) {
ccprintf(out, "%02x%02x%02x%02x ", bytes[0], bytes[1], bytes[2],
bytes[3]);
} else {
ccprintf(out, "%02x%02x%02x%02x", bytes[0], bytes[1], bytes[2],
bytes[3]);
}
bytes += chunk_size;
}
while (size--)
ccprintf(out, "%02x", *bytes++);
ccprintf(out, "]");
return out.str();
return printByteBuf(val, size, ByteOrder::big);
}
const char *RegId::regClassStrings[] = {