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hwstub: add support for jump/call in library

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Change-Id: Ia57ca613609a5e89e41ff927d7fc137c6841046a
This commit is contained in:
Amaury Pouly 2014-09-08 11:12:54 +02:00
parent d815c26e8f
commit 847106cdb2
2 changed files with 16 additions and 20 deletions
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35
utils/hwstub/lib/hwstub.c
View file

@ -207,30 +207,25 @@ int hwstub_rw_mem(struct hwstub_device_t *dev, int read, uint32_t addr, void *bu
return read ? hwstub_read(dev, addr, buf, sz) : hwstub_write(dev, addr, buf, sz); return read ? hwstub_read(dev, addr, buf, sz) : hwstub_write(dev, addr, buf, sz);
} }
int hwstub_exec(struct hwstub_device_t *dev, uint32_t addr, uint16_t flags)
{
struct hwstub_exec_req_t exec;
exec.dAddress = addr;
exec.bmFlags = flags;
int size = libusb_control_transfer(dev->handle,
LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT,
HWSTUB_EXEC, dev->id, dev->intf, (void *)&exec, sizeof(exec), 1000);
if(size != (int)sizeof(exec))
return -1;
return 0;
}
int hwstub_call(struct hwstub_device_t *dev, uint32_t addr) int hwstub_call(struct hwstub_device_t *dev, uint32_t addr)
{ {
#if 0 return hwstub_exec(dev, addr, HWSTUB_EXEC_CALL);
return libusb_control_transfer(dev->handle,
LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_DEVICE |
LIBUSB_ENDPOINT_OUT, HWSTUB_CALL, addr & 0xffff, addr >> 16, NULL, 0,
1000);
#else
(void) dev;
(void) addr;
return -1;
#endif
} }
int hwstub_jump(struct hwstub_device_t *dev, uint32_t addr) int hwstub_jump(struct hwstub_device_t *dev, uint32_t addr)
{ {
#if 0 return hwstub_exec(dev, addr, HWSTUB_EXEC_JUMP);
return libusb_control_transfer(dev->handle,
LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_DEVICE |
LIBUSB_ENDPOINT_OUT, HWSTUB_JUMP, addr & 0xffff, addr >> 16, NULL, 0,
1000);
#else
(void) dev;
(void) addr;
return -1;
#endif
} }

1
utils/hwstub/lib/hwstub.h
View file

@ -56,6 +56,7 @@ int hwstub_read(struct hwstub_device_t *dev, uint32_t addr, void *buf, size_t sz
int hwstub_write(struct hwstub_device_t *dev, uint32_t addr, void *buf, size_t sz); int hwstub_write(struct hwstub_device_t *dev, uint32_t addr, void *buf, size_t sz);
int hwstub_rw_mem(struct hwstub_device_t *dev, int read, uint32_t addr, void *buf, size_t sz); int hwstub_rw_mem(struct hwstub_device_t *dev, int read, uint32_t addr, void *buf, size_t sz);
/* Returns <0 on error */ /* Returns <0 on error */
int hwstub_exec(struct hwstub_device_t *dev, uint32_t addr, uint16_t flags);
int hwstub_call(struct hwstub_device_t *dev, uint32_t addr); int hwstub_call(struct hwstub_device_t *dev, uint32_t addr);
int hwstub_jump(struct hwstub_device_t *dev, uint32_t addr); int hwstub_jump(struct hwstub_device_t *dev, uint32_t addr);