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path: root/src/devices/cpu/sparc/sparcdasm.cpp
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Diffstat (limited to 'src/devices/cpu/sparc/sparcdasm.cpp')
-rw-r--r--src/devices/cpu/sparc/sparcdasm.cpp245
1 files changed, 215 insertions, 30 deletions
diff --git a/src/devices/cpu/sparc/sparcdasm.cpp b/src/devices/cpu/sparc/sparcdasm.cpp
index 6f6329b0c92..6422c0a567f 100644
--- a/src/devices/cpu/sparc/sparcdasm.cpp
+++ b/src/devices/cpu/sparc/sparcdasm.cpp
@@ -8,13 +8,11 @@
#include "sparcdasm.h"
#include "sparcdefs.h"
+#include <algorithm>
#include <cstdio>
-namespace {
- const sparc_disassembler DASM_V7(7);
- const sparc_disassembler DASM_V8(8);
- const sparc_disassembler DASM_V9(9);
+namespace {
INT32 get_disp16(UINT32 op) { return DISP19; }
INT32 get_disp19(UINT32 op) { return DISP19; }
INT32 get_disp22(UINT32 op) { return DISP19; }
@@ -127,12 +125,12 @@ const sparc_disassembler::int_op_desc_map::value_type sparc_disassembler::V9_INT
};
const sparc_disassembler::state_reg_desc_map::value_type sparc_disassembler::V9_STATE_REG_DESC[] = {
- { 1, { true, nullptr, nullptr } },
- { 2, { false, "%ccr", "%ccr" } },
- { 3, { false, "%asi", "%asi" } },
- { 4, { false, "%tick", nullptr } },
- { 5, { false, "%pc", nullptr } },
- { 6, { false, "%fprs", "%fprs" } }
+ { 1, { true, nullptr, nullptr } },
+ { 2, { false, "%ccr", "%ccr" } },
+ { 3, { false, "%asi", "%asi" } },
+ { 4, { false, "%tick", nullptr } },
+ { 5, { false, "%pc", nullptr } },
+ { 6, { false, "%fprs", "%fprs" } }
};
const char * const sparc_disassembler::MOVCC_CC_NAMES[8] = {
@@ -285,8 +283,7 @@ const sparc_disassembler::asi_desc_map::value_type sparc_disassembler::V9_ASI_DE
{ 0x8b, { "#ASI_SNF_L", nullptr } }
};
-const sparc_disassembler::prftch_desc_map::value_type sparc_disassembler::V9_PRFTCH_DESC[] =
-{
+const sparc_disassembler::prftch_desc_map::value_type sparc_disassembler::V9_PRFTCH_DESC[] = {
{ 0x00, { "#n_reads" } },
{ 0x01, { "#one_read" } },
{ 0x02, { "#n_writes" } },
@@ -294,6 +291,142 @@ const sparc_disassembler::prftch_desc_map::value_type sparc_disassembler::V9_PRF
{ 0x04, { "#page" } }
};
+const sparc_disassembler::vis_op_desc_map::value_type sparc_disassembler::VIS1_OP_DESC[] = {
+ { 0x000, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge8" } },
+ { 0x002, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge8l" } },
+ { 0x004, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge16" } },
+ { 0x006, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge16l" } },
+ { 0x008, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge32" } },
+ { 0x00a, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge32l" } },
+
+ { 0x010, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "array8" } },
+ { 0x012, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "array16" } },
+ { 0x014, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "array32" } },
+ { 0x018, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, true, "alignaddr" } },
+ { 0x01a, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, true, "alignaddrl" } },
+
+ { 0x020, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmple16" } },
+ { 0x022, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpne16" } },
+ { 0x024, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmple32" } },
+ { 0x026, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpne32" } },
+ { 0x028, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpgt16" } },
+ { 0x02a, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpeq16" } },
+ { 0x02c, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpgt32" } },
+ { 0x02e, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::I, false, "fcmpeq32" } },
+
+ { 0x031, { vis_op_desc::Fs, vis_op_desc::Fd, vis_op_desc::Fd, false, "fmul8x16" } },
+ { 0x033, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fd, false, "fmul8x16au" } },
+ { 0x035, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fd, false, "fmul8x16al" } },
+ { 0x036, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fmul8sux16" } },
+ { 0x037, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fmul8ulx16" } },
+ { 0x038, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fd, false, "fmuld8sux16" } },
+ { 0x039, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fd, false, "fmuld8ulx16" } },
+ { 0x03a, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fpack32" } },
+ { 0x03b, { vis_op_desc::X, vis_op_desc::Fd, vis_op_desc::Fs, false, "fpack16" } },
+ { 0x03d, { vis_op_desc::X, vis_op_desc::Fd, vis_op_desc::Fs, false, "fpackfix" } },
+ { 0x03e, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "pdist" } },
+
+ { 0x048, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "faligndata" } },
+ { 0x04b, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fd, false, "fpmerge" } },
+ { 0x04d, { vis_op_desc::X, vis_op_desc::Fs, vis_op_desc::Fd, false, "fexpand" } },
+
+ { 0x050, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fpadd16" } },
+ { 0x051, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fpadd16s" } },
+ { 0x052, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fpadd32" } },
+ { 0x053, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fpadd32s" } },
+ { 0x054, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fpsub16" } },
+ { 0x055, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fpsub16s" } },
+ { 0x056, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fpsub32" } },
+ { 0x057, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fpsub32s" } },
+
+ { 0x060, { vis_op_desc::X, vis_op_desc::X, vis_op_desc::Fd, false, "fzero" } },
+ { 0x061, { vis_op_desc::X, vis_op_desc::X, vis_op_desc::Fs, false, "fzeros" } },
+ { 0x062, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fnor" } },
+ { 0x063, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fnors" } },
+ { 0x064, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fandnot2" } },
+ { 0x065, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fandnot2s" } },
+ { 0x066, { vis_op_desc::X, vis_op_desc::Fd, vis_op_desc::Fd, false, "fnot2" } },
+ { 0x067, { vis_op_desc::X, vis_op_desc::Fs, vis_op_desc::Fs, false, "fnot2s" } },
+ { 0x068, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fandnot1" } },
+ { 0x069, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fandnot1s" } },
+ { 0x06a, { vis_op_desc::Fd, vis_op_desc::X, vis_op_desc::Fd, false, "fnot1" } },
+ { 0x06b, { vis_op_desc::Fs, vis_op_desc::X, vis_op_desc::Fs, false, "fnot1s" } },
+ { 0x06c, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fxor" } },
+ { 0x06d, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fxors" } },
+ { 0x06e, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fnand" } },
+ { 0x06f, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fnands" } },
+
+ { 0x070, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fand" } },
+ { 0x071, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fands" } },
+ { 0x072, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fxnor" } },
+ { 0x073, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fxnors" } },
+ { 0x074, { vis_op_desc::Fd, vis_op_desc::X, vis_op_desc::Fd, false, "fsrc1" } },
+ { 0x075, { vis_op_desc::Fs, vis_op_desc::X, vis_op_desc::Fs, false, "fsrc1s" } },
+ { 0x076, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fornot2" } },
+ { 0x077, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fornot2s" } },
+ { 0x078, { vis_op_desc::X, vis_op_desc::Fd, vis_op_desc::Fd, false, "fsrc2" } },
+ { 0x079, { vis_op_desc::X, vis_op_desc::Fs, vis_op_desc::Fs, false, "fsrc2s" } },
+ { 0x07a, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "fornot1" } },
+ { 0x07b, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fornot1s" } },
+ { 0x07c, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "for" } },
+ { 0x07d, { vis_op_desc::Fs, vis_op_desc::Fs, vis_op_desc::Fs, false, "fors" } },
+ { 0x07e, { vis_op_desc::X, vis_op_desc::X, vis_op_desc::Fd, false, "fone" } },
+ { 0x07f, { vis_op_desc::X, vis_op_desc::X, vis_op_desc::Fs, false, "fones" } },
+
+ { 0x080, { vis_op_desc::X, vis_op_desc::X, vis_op_desc::X, false, "shutdown" } }
+};
+
+const sparc_disassembler::state_reg_desc_map::value_type sparc_disassembler::VIS1_STATE_REG_DESC[] = {
+ { 19, { false, "%gsr", "%gsr" } }
+};
+
+const sparc_disassembler::asi_desc_map::value_type sparc_disassembler::VIS1_ASI_DESC[] = {
+ { 0x2c, { "#ASI_NUCLEUS_QUAD_LDD_L", nullptr } },
+ { 0x70, { "#ASI_BLK_AIUP", nullptr } },
+ { 0x71, { "#ASI_BLK_AIUS", nullptr } },
+ { 0x78, { "#ASI_BLK_AIUPL", nullptr } },
+ { 0x79, { "#ASI_BLK_AIUSL", nullptr } },
+ { 0xc0, { "#ASI_PST8_P", nullptr } },
+ { 0xc1, { "#ASI_PST8_S", nullptr } },
+ { 0xc2, { "#ASI_PST16_P", nullptr } },
+ { 0xc3, { "#ASI_PST16_S", nullptr } },
+ { 0xc4, { "#ASI_PST32_P", nullptr } },
+ { 0xc5, { "#ASI_PST32_S", nullptr } },
+ { 0xc8, { "#ASI_PST8_PL", nullptr } },
+ { 0xc9, { "#ASI_PST8_SL", nullptr } },
+ { 0xca, { "#ASI_PST16_PL", nullptr } },
+ { 0xcb, { "#ASI_PST16_SL", nullptr } },
+ { 0xcc, { "#ASI_PST32_PL", nullptr } },
+ { 0xcd, { "#ASI_PST32_SL", nullptr } },
+ { 0xd0, { "#ASI_FL8_P", nullptr } },
+ { 0xd1, { "#ASI_FL8_S", nullptr } },
+ { 0xd2, { "#ASI_FL16_P", nullptr } },
+ { 0xd3, { "#ASI_FL16_S", nullptr } },
+ { 0xd8, { "#ASI_FL8_PL", nullptr } },
+ { 0xd9, { "#ASI_FL8_SL", nullptr } },
+ { 0xda, { "#ASI_FL16_PL", nullptr } },
+ { 0xdb, { "#ASI_FL16_SL", nullptr } },
+ { 0xe0, { "#ASI_BLOCK_COMMIT_P", nullptr } },
+ { 0xe1, { "#ASI_BLOCK_COMMIT_S", nullptr } },
+ { 0xf0, { "#ASI_BLOCK_P", nullptr } },
+ { 0xf1, { "#ASI_BLOCK_S", nullptr } },
+ { 0xf8, { "#ASI_BLOCK_PL", nullptr } },
+ { 0xf9, { "#ASI_BLOCK_SL", nullptr } }
+};
+
+const sparc_disassembler::vis_op_desc_map::value_type sparc_disassembler::VIS2_OP_DESC[] = {
+ { 0x001, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge8n" } },
+ { 0x003, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge8ln" } },
+ { 0x005, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge16n" } },
+ { 0x007, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge16ln" } },
+ { 0x009, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge32n" } },
+ { 0x00b, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, false, "edge32ln" } },
+
+ { 0x019, { vis_op_desc::I, vis_op_desc::I, vis_op_desc::I, true, "bmask" } },
+
+ { 0x04c, { vis_op_desc::Fd, vis_op_desc::Fd, vis_op_desc::Fd, false, "bshuffle" } }
+};
+
inline UINT32 sparc_disassembler::freg(UINT32 val, bool shift) const
{
@@ -324,6 +457,12 @@ template <typename T> inline void sparc_disassembler::add_ldst_desc(const T &des
m_ldst_desc.insert(it);
}
+template <typename T> inline void sparc_disassembler::add_vis_op_desc(const T &desc)
+{
+ for (const auto &it : desc)
+ m_vis_op_desc.insert(it);
+}
+
inline void sparc_disassembler::pad_op_field(char *buf, char *&output) const
{
while ((output - buf) < m_op_field_width) *output++ = ' ';
@@ -358,6 +497,7 @@ sparc_disassembler::sparc_disassembler(unsigned version)
, m_ldst_desc(std::begin(V7_LDST_DESC), std::end(V7_LDST_DESC))
, m_asi_desc()
, m_prftch_desc()
+ , m_vis_op_desc()
{
if (m_version >= 8)
{
@@ -395,6 +535,22 @@ sparc_disassembler::sparc_disassembler(unsigned version)
}
+void sparc_disassembler::enable_vis1()
+{
+ m_op_field_width = std::max(m_op_field_width, 12);
+ add_vis_op_desc(VIS1_OP_DESC);
+ add_state_reg_desc(VIS1_STATE_REG_DESC);
+ add_asi_desc(VIS1_ASI_DESC);
+}
+
+
+void sparc_disassembler::enable_vis2()
+{
+ enable_vis1();
+ add_vis_op_desc(VIS2_OP_DESC);
+}
+
+
offs_t sparc_disassembler::dasm(char *buf, offs_t pc, UINT32 op) const
{
switch (OP)
@@ -620,8 +776,7 @@ offs_t sparc_disassembler::dasm(char *buf, offs_t pc, UINT32 op) const
case 0x35:
return dasm_fpop2(buf, pc, op);
case 0x36:
- // TODO: hooks for IMPDEP1/CPop1
- break;
+ return dasm_impdep1(buf, pc, op);
case 0x37:
// TODO: hooks for IMPDEP2/CPop2
break;
@@ -832,7 +987,7 @@ offs_t sparc_disassembler::dasm_write_state_reg(char *buf, offs_t pc, UINT32 op)
}
else
{
- const char *const comment((RD < 16) ? "reserved" : "implementation-dependent");
+ const char * const comment((RD < 16) ? "reserved" : "implementation-dependent");
if (USEIMM) print(buf, "%-*s%s,%d,%%asr%d ! %s", m_op_field_width, "wr", REG_NAMES[RS1], SIMM13, RD, comment);
else print(buf, "%-*s%s,%s,%%asr%d ! %s", m_op_field_width, "wr", REG_NAMES[RS1], REG_NAMES[RS2], RD, comment);
}
@@ -936,6 +1091,36 @@ offs_t sparc_disassembler::dasm_fpop2(char *buf, offs_t pc, UINT32 op) const
}
+offs_t sparc_disassembler::dasm_impdep1(char *buf, offs_t pc, UINT32 op) const
+{
+ const auto it(m_vis_op_desc.find(OPF));
+ if (it != m_vis_op_desc.end())
+ {
+ print(buf, "%-*s", m_op_field_width, it->second.mnemonic);
+ bool args(false);
+ if (it->second.collapse && !RS1)
+ {
+ dasm_vis_arg(buf, args, it->second.rs2, RS2);
+ }
+ else if (it->second.collapse && !RS2)
+ {
+ dasm_vis_arg(buf, args, it->second.rs1, RS1);
+ }
+ else
+ {
+ dasm_vis_arg(buf, args, it->second.rs1, RS1);
+ dasm_vis_arg(buf, args, it->second.rs2, RS2);
+ }
+ dasm_vis_arg(buf, args, it->second.rd, RD);
+ return 4 | DASMFLAG_SUPPORTED;
+ }
+
+ // TODO: driver hook for other kinds of coprocessor?
+
+ return dasm_invalid(buf, pc, op);
+}
+
+
offs_t sparc_disassembler::dasm_jmpl(char *buf, offs_t pc, UINT32 op) const
{
if (USEIMM && (RD == 0) && ((RS1 == 15) || (RS1 == 31)) && (SIMM13 == 8))
@@ -1167,20 +1352,20 @@ void sparc_disassembler::dasm_asi_comment(char *&output, UINT32 op) const
}
-CPU_DISASSEMBLE( sparcv7 )
+void sparc_disassembler::dasm_vis_arg(char *&output, bool &args, vis_op_desc::arg fmt, UINT32 reg) const
{
- UINT32 op = *reinterpret_cast<const UINT32 *>(oprom);
- return DASM_V7.dasm(buffer, pc, BIG_ENDIANIZE_INT32(op));
-}
-
-CPU_DISASSEMBLE( sparcv8 )
-{
- UINT32 op = *reinterpret_cast<const UINT32 *>(oprom);
- return DASM_V8.dasm(buffer, pc, BIG_ENDIANIZE_INT32(op));
-}
-
-CPU_DISASSEMBLE( sparcv9 )
-{
- UINT32 op = *reinterpret_cast<const UINT32 *>(oprom);
- return DASM_V9.dasm(buffer, pc, BIG_ENDIANIZE_INT32(op));
+ switch (fmt)
+ {
+ case vis_op_desc::X:
+ break;
+ case vis_op_desc::I:
+ print(output, args ? ",%s" : "%s", REG_NAMES[reg]);
+ args = true;
+ break;
+ case vis_op_desc::Fs:
+ case vis_op_desc::Fd:
+ print(output, args ? ",%%f%d" : "%%f%d", freg(reg, (fmt == vis_op_desc::Fd)));
+ args = true;
+ break;
+ };
}