devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

hwstub: add support for coprocessor operations

Browse source 
At the moment the stub only implement them for MIPS.

Change-Id: Ica835a0e9c70fa5675c3d655eae986e812a47de8
This commit is contained in:
Amaury Pouly 2016-08-04 17:06:11 +01:00
parent d91d9f6851
commit 8fabbb008c
11 changed files with 423 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

52
utils/hwstub/lib/hwstub_usb.cpp
View file

@ -399,6 +399,46 @@ error rb_handle::write_dev(uint32_t addr, const void *buf, size_t& sz, bool atom
return ret;
}
error rb_handle::cop_dev(uint8_t op, uint8_t args[HWSTUB_COP_ARGS],
const void *out_data, size_t out_size, void *in_data, size_t *in_size)
{
(void) op;
(void) args;
(void) out_data;
(void) out_size;
(void) in_data;
(void) in_size;
std::shared_ptr<hwstub::context> hctx = get_device()->get_context();
if(!hctx)
return error::NO_CONTEXT;
/* construct out request: header followed by (optional) data */
size_t hdr_sz = sizeof(struct hwstub_cop_req_t);
uint8_t *tmp_buf = new uint8_t[out_size + hdr_sz];
struct hwstub_cop_req_t *req = reinterpret_cast<struct hwstub_cop_req_t *>(tmp_buf);
req->bOp = op;
for(int i = 0; i < HWSTUB_COP_ARGS; i++)
req->bArgs[i] = args[i];
if(out_size > 0)
memcpy(tmp_buf + hdr_sz, out_data, out_size);
error ret = interpret_libusb_error(libusb_control_transfer(m_handle,
LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT,
HWSTUB_COPROCESSOR_OP, m_transac_id++, m_intf,
(unsigned char *)req, out_size + hdr_sz, m_timeout), out_size + hdr_sz);
delete[] tmp_buf;
/* return errors if any */
if(ret != error::SUCCESS)
return ret;
/* return now if there is no read stage */
if(in_data == nullptr)
return error::SUCCESS;
/* perform read stage (use the same transaction ID) */
return interpret_libusb_size(libusb_control_transfer(m_handle,
LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_IN,
HWSTUB_READ2, m_transac_id - 1, m_intf,
(unsigned char *)in_data, *in_size, m_timeout), *in_size);
}
bool rb_handle::find_intf(struct libusb_device_descriptor *dev,
struct libusb_config_descriptor *config, int& intf_idx)
{
@ -674,6 +714,18 @@ error jz_handle::write_dev(uint32_t addr, const void *buf, size_t& sz, bool atom
return ret;
}
error jz_handle::cop_dev(uint8_t op, uint8_t args[HWSTUB_COP_ARGS],
const void *out_data, size_t out_size, void *in_data, size_t *in_size)
{
(void) op;
(void) args;
(void) out_data;
(void) out_size;
(void) in_data;
(void) in_size;
return error::UNSUPPORTED;
}
bool jz_handle::is_boot_dev(struct libusb_device_descriptor *dev,
struct libusb_config_descriptor *config)
{