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authorAndrew Schultz <alschult@umich.edu>2004-02-10 22:35:18 -0500
committerAndrew Schultz <alschult@umich.edu>2004-02-10 22:35:18 -0500
commite72e8b28c8579f56b36b89f1b6cbfba169202f1e (patch)
tree50608e364cd77ec54f5730f140652563f4ff221a
parentf7c4d57260d1ce43089a3a8e05915be782912632 (diff)
downloadgem5-e72e8b28c8579f56b36b89f1b6cbfba169202f1e.tar.xz
Fix masking of read/write address to get read/write offset
Changed base_linux.ini file to use physical addresses dev/alpha_console.cc: dev/pciconfigall.cc: dev/tsunami_cchip.cc: dev/tsunami_io.cc: dev/tsunami_pchip.cc: Fix masking of read/write address to get read/write offset dev/tsunami_uart.cc: Fix masking of read/write address to get read/write offset Also added add_child call that was missed dev/tsunami_uart.hh: Changed size to 0x8 --HG-- extra : convert_revision : 1468ca43167bfb28b28c4510401a1ebad683e102
-rw-r--r--dev/alpha_console.cc4
-rw-r--r--dev/pciconfigall.cc4
-rw-r--r--dev/tsunami_cchip.cc4
-rw-r--r--dev/tsunami_io.cc4
-rw-r--r--dev/tsunami_pchip.cc4
-rw-r--r--dev/tsunami_uart.cc22
-rw-r--r--dev/tsunami_uart.hh2
7 files changed, 23 insertions, 21 deletions
diff --git a/dev/alpha_console.cc b/dev/alpha_console.cc
index 79317b15b..ad9d0a239 100644
--- a/dev/alpha_console.cc
+++ b/dev/alpha_console.cc
@@ -81,7 +81,7 @@ AlphaConsole::read(MemReqPtr &req, uint8_t *data)
memset(data, 0, req->size);
uint64_t val;
- Addr daddr = req->paddr - addr;
+ Addr daddr = req->paddr - (addr & PA_IMPL_MASK);
switch (daddr) {
case offsetof(AlphaAccess, inputChar):
@@ -129,7 +129,7 @@ AlphaConsole::write(MemReqPtr &req, const uint8_t *data)
return Machine_Check_Fault;
}
- Addr daddr = req->paddr - addr;
+ Addr daddr = req->paddr - (addr & PA_IMPL_MASK);
ExecContext *other_xc;
switch (daddr) {
diff --git a/dev/pciconfigall.cc b/dev/pciconfigall.cc
index 0c1efd898..63943c7be 100644
--- a/dev/pciconfigall.cc
+++ b/dev/pciconfigall.cc
@@ -68,7 +68,7 @@ PCIConfigAll::read(MemReqPtr &req, uint8_t *data)
DPRINTF(PCIConfigAll, "read va=%#x size=%d\n",
req->vaddr, req->size);
- Addr daddr = (req->paddr & size);
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK));
int device = (daddr >> 11) & 0x1F;
int func = (daddr >> 8) & 0x7;
@@ -112,7 +112,7 @@ PCIConfigAll::read(MemReqPtr &req, uint8_t *data)
Fault
PCIConfigAll::write(MemReqPtr &req, const uint8_t *data)
{
- Addr daddr = (req->paddr & size);
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK));
int device = (daddr >> 11) & 0x1F;
int func = (daddr >> 8) & 0x7;
diff --git a/dev/tsunami_cchip.cc b/dev/tsunami_cchip.cc
index 374c50d66..b825a91bc 100644
--- a/dev/tsunami_cchip.cc
+++ b/dev/tsunami_cchip.cc
@@ -47,7 +47,7 @@ TsunamiCChip::read(MemReqPtr &req, uint8_t *data)
DPRINTF(Tsunami, "read va=%#x size=%d\n",
req->vaddr, req->size);
- Addr daddr = (req->paddr & size) >> 6;
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK)) >> 6;
ExecContext *xc = req->xc;
switch (req->size) {
@@ -133,7 +133,7 @@ TsunamiCChip::write(MemReqPtr &req, const uint8_t *data)
DPRINTF(Tsunami, "write - va=%#x size=%d \n",
req->vaddr, req->size);
- Addr daddr = (req->paddr & size) >> 6;
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK)) >> 6;
switch (req->size) {
diff --git a/dev/tsunami_io.cc b/dev/tsunami_io.cc
index dd2ac3acc..15727631b 100644
--- a/dev/tsunami_io.cc
+++ b/dev/tsunami_io.cc
@@ -153,7 +153,7 @@ TsunamiIO::read(MemReqPtr &req, uint8_t *data)
DPRINTF(Tsunami, "io read va=%#x size=%d IOPorrt=%#x\n",
req->vaddr, req->size, req->vaddr & 0xfff);
- Addr daddr = (req->paddr & size);
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK));
// ExecContext *xc = req->xc;
// int cpuid = xc->cpu_id;
@@ -228,7 +228,7 @@ TsunamiIO::write(MemReqPtr &req, const uint8_t *data)
DPRINTF(Tsunami, "io write - va=%#x size=%d IOPort=%#x Data=%#x\n",
req->vaddr, req->size, req->vaddr & 0xfff, dt64);
- Addr daddr = (req->paddr & size);
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK));
switch(req->size) {
case sizeof(uint8_t):
diff --git a/dev/tsunami_pchip.cc b/dev/tsunami_pchip.cc
index b67bd476d..59e085361 100644
--- a/dev/tsunami_pchip.cc
+++ b/dev/tsunami_pchip.cc
@@ -52,7 +52,7 @@ TsunamiPChip::read(MemReqPtr &req, uint8_t *data)
DPRINTF(Tsunami, "read va=%#x size=%d\n",
req->vaddr, req->size);
- Addr daddr = (req->paddr & size) >> 6;
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK)) >> 6;
// ExecContext *xc = req->xc;
// int cpuid = xc->cpu_id;
@@ -142,7 +142,7 @@ TsunamiPChip::write(MemReqPtr &req, const uint8_t *data)
DPRINTF(Tsunami, "write - va=%#x size=%d \n",
req->vaddr, req->size);
- Addr daddr = (req->paddr & size) >> 6;
+ Addr daddr = (req->paddr - (addr & PA_IMPL_MASK)) >> 6;
switch (req->size) {
diff --git a/dev/tsunami_uart.cc b/dev/tsunami_uart.cc
index ab9236081..9e7207d9c 100644
--- a/dev/tsunami_uart.cc
+++ b/dev/tsunami_uart.cc
@@ -36,13 +36,15 @@ TsunamiUart::TsunamiUart(const string &name, SimConsole *c, Addr a,
: FunctionalMemory(name), addr(a), cons(c), status_store(0),
valid_char(false)
{
+ mmu->add_child(this, Range<Addr>(addr, addr + size));
+
IER = 0;
}
Fault
TsunamiUart::read(MemReqPtr &req, uint8_t *data)
{
- Addr daddr = req->paddr & size;
+ Addr daddr = req->paddr - (addr & PA_IMPL_MASK);
DPRINTF(TsunamiUart, " read register %#x\n", daddr);
switch (req->size) {
@@ -61,7 +63,7 @@ TsunamiUart::read(MemReqPtr &req, uint8_t *data)
}
switch (daddr) {
- case 0xD: // Status Register
+ case 0x5: // Status Register
{
int status = cons->intStatus();
if (!valid_char) {
@@ -95,7 +97,7 @@ TsunamiUart::read(MemReqPtr &req, uint8_t *data)
break;
}
- case 0x8: // Data register (RX)
+ case 0x0: // Data register (RX)
// if (!valid_char)
// panic("Invalid character");
@@ -106,7 +108,7 @@ TsunamiUart::read(MemReqPtr &req, uint8_t *data)
valid_char = false;
return No_Fault;
- case 0x9: // Interrupt Enable Register
+ case 0x1: // Interrupt Enable Register
// This is the lovely way linux checks there is actually a serial
// port at the desired address
if (IER == 0)
@@ -116,7 +118,7 @@ TsunamiUart::read(MemReqPtr &req, uint8_t *data)
else
*data = 0;
return No_Fault;
- case 0xA:
+ case 0x2:
//*data = 2<<6; // This means a 8250 serial port, do we want a 16550?
*data = 0; // This means a 8250 serial port, do we want a 16550?
return No_Fault;
@@ -130,11 +132,11 @@ TsunamiUart::read(MemReqPtr &req, uint8_t *data)
Fault
TsunamiUart::write(MemReqPtr &req, const uint8_t *data)
{
- Addr daddr = req->paddr & size;
+ Addr daddr = req->paddr - (addr & PA_IMPL_MASK);
DPRINTF(TsunamiUart, " write register %#x value %#x\n", daddr, *(uint8_t*)data);
switch (daddr) {
- case 0xb:
+ case 0x3:
status_store = *data;
switch (*data) {
case 0x03: // going to read RR3
@@ -161,14 +163,14 @@ TsunamiUart::write(MemReqPtr &req, const uint8_t *data)
return No_Fault;
}
- case 0x8: // Data register (TX)
+ case 0x0: // Data register (TX)
cons->out(*(uint64_t *)data);
return No_Fault;
- case 0x9: // DLM
+ case 0x1: // DLM
DPRINTF(TsunamiUart, "writing to DLM/IER %#x\n", *(uint8_t*)data);
IER = *(uint8_t*)data;
return No_Fault;
- case 0xc: // MCR
+ case 0x4: // MCR
DPRINTF(TsunamiUart, "writing to MCR %#x\n", *(uint8_t*)data);
return No_Fault;
diff --git a/dev/tsunami_uart.hh b/dev/tsunami_uart.hh
index 2beefc7ea..f0a9b644b 100644
--- a/dev/tsunami_uart.hh
+++ b/dev/tsunami_uart.hh
@@ -44,7 +44,7 @@ class TsunamiUart : public FunctionalMemory
{
private:
Addr addr;
- static const Addr size = 0xf;
+ static const Addr size = 0x8;
protected:
SimConsole *cons;