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added support for write-through cache, removed cache snooping support

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This commit is contained in:
Blaise Tine
2020-12-23 23:51:02 -08:00
parent d956e268b9
commit 703a861fe9
55 changed files with 1077 additions and 2178 deletions
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23
driver/rtlsim/vortex.cpp
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@@ -140,19 +140,6 @@ public:
return 0;
}
int flush_caches(size_t dev_maddr, size_t size) {
if (future_.valid()) {
future_.wait(); // ensure prior run completed
}
simulator_.attach_ram(&ram_);
simulator_.flush_caches(dev_maddr, size);
while (simulator_.snp_req_active()) {
simulator_.step();
};
simulator_.attach_ram(NULL);
return 0;
}
int set_csr(int core_id, int addr, unsigned value) {
if (future_.valid()) {
future_.wait(); // ensure prior run completed
@@ -257,16 +244,6 @@ extern int vx_alloc_dev_mem(vx_device_h hdevice, size_t size, size_t* dev_maddr)
return device->alloc_local_mem(size, dev_maddr);
}
extern int vx_flush_caches(vx_device_h hdevice, size_t dev_maddr, size_t size) {
if (nullptr == hdevice
|| 0 >= size)
return -1;
vx_device *device = ((vx_device*)hdevice);
return device->flush_caches(dev_maddr, size);
}
extern int vx_alloc_shared_mem(vx_device_h hdevice, size_t size, vx_buffer_h* hbuffer) {
if (nullptr == hdevice