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usbacc: Implement sceUsbAcc_internal_79A1C743

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joel16 2021-01-17 20:42:54 -05:00 committed by Joel16
parent a44be8816d
commit 68717e82fc
1 changed files with 53 additions and 10 deletions
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63
src/usbacc/usbacc.c
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@ -1,9 +1,13 @@
#include <common_imp.h>
#include <interruptman.h>
#include <sysmem_utils_kernel.h>
SCE_MODULE_INFO("sceUSB_Acc_Driver", SCE_MODULE_KERNEL | SCE_MODULE_ATTR_EXCLUSIVE_LOAD | SCE_MODULE_ATTR_EXCLUSIVE_START, 1, 3);
SCE_SDK_VERSION(SDK_VERSION);
#define SCE_ERROR_USB_DRIVER_NOT_FOUND 0x80243005
// Error codes are derived from -> https://github.com/xerpi/psp-uvc-usb-video-class/blob/master/include/usb.h
#define SCE_ERROR_USB_DRIVER_NOT_FOUND 0x80243005
#define SCE_ERROR_USB_BUS_DRIVER_NOT_STARTED 0x80243007
/** USB driver endpoint */
struct UsbEndpoint
@ -95,25 +99,64 @@ struct UsbDriver
struct UsbDriver *link;
};
/** USB device request, used by ::sceUsbbdReqSend and ::sceUsbbdReqRecv. */
struct UsbdDeviceReq
{
/** Pointer to the endpoint to queue request on */
struct UsbEndpoint *endp;
/** Pointer to the data buffer to use in the request */
void *data;
/** Size of the data buffer (send == size of data, recv == size of max receive) */
int size;
/** Unknown */
int unkc;
/** Pointer to the function to call on completion */
void *func;
/** Resultant size (send == size of data sent, recv == size of data received) */
int recvsize;
/** Return code of the request, 0 == success, -3 == cancelled */
int retcode;
/** Unknown */
int unk1c;
/** A user specified pointer for the device request */
void *arg;
/** Link pointer to next request used by the driver, set it to NULL */
void *link;
};
// Function prototypes
s32 sceUsbAcc_79A1C743(void) __attribute__((alias("sceUsbAcc_internal_79A1C743")));
s32 sceUsbAcc_driver_79A1C743(void) __attribute__((alias("sceUsbAcc_internal_79A1C743")));
s32 sceUsbAcc_0CD7D4AA(void) __attribute__((alias("sceUsbAcc_internal_0CD7D4AA")));
s32 sceUsbAcc_driver_0CD7D4AA(void) __attribute__((alias("sceUsbAcc_internal_0CD7D4AA")));
int sceUsbBus_driver_B1644BE7(struct UsbDriver *drv);
int sceUsbBus_driver_C1E2A540(struct UsbDriver *drv);
int sceUsbBus_driver_B1644BE7(struct UsbDriver *drv); // sceUsbbdRegister
int sceUsbBus_driver_C1E2A540(struct UsbDriver *drv); // sceUsbbdUnregister
int sceUsbBus_driver_23E51D8F(struct UsbdDeviceReq *req); // sceUsbbdReqSend
int sceUsbBus_driver_8A3EB5D2(void);
// Globals
struct UsbDriver drv; // 0x00000CC4
u16 unk1; // 0x00000D60
u8 unk2; // 0x00000D62
struct UsbDriver g_drv; // 0x00000CC4
u8 unk0; // 0x00000D53
u16 unk1; // 0x00000D60
u8 unk2; // 0x00000D62
struct UsbdDeviceReq g_req; // 0x00000CAC
// Subroutine sceUsbAcc_internal_79A1C743 - Address 0x00000000 - Aliases: sceUsbAcc_79A1C743, sceUsbAcc_driver_79A1C743
// Subroutine sceUsbAcc_internal_79A1C743 - Address 0x00000000 - Aliases: sceUsbAcc_79A1C743, sceUsbAcc_driver_79A1C743 -- sceUsbAccGetAuthStat
// Exported in sceUsbAcc_internal, sceUsbAcc and sceUsbAcc_driver
s32 sceUsbAcc_internal_79A1C743(void)
{
return 0;
int intr = sceKernelCpuSuspendIntr();
s32 ret = SCE_ERROR_USB_BUS_DRIVER_NOT_STARTED;
if (unk0) {
ret = 0;
if (sceUsbBus_driver_8A3EB5D2() == 0)
ret = 0x80243701;
}
sceKernelCpuResumeIntr(intr);
return ret;
}
// Subroutine sceUsbAcc_internal_0CD7D4AA - Address 0x00000068 - Aliases: sceUsbAcc_0CD7D4AA, sceUsbAcc_driver_0CD7D4AA
@ -162,7 +205,7 @@ s32 sceUsbAcc_internal_18B04C82(u16 type)
s32 module_start(SceSize args __attribute__((unused)), void *argp __attribute__((unused)))
{
s32 ret = 0;
if ((ret = sceUsbBus_driver_B1644BE7(&drv)) >= 0) {
if ((ret = sceUsbBus_driver_B1644BE7(&g_drv)) >= 0) {
unk1 = 0;
unk2 = 0;
}
@ -173,6 +216,6 @@ s32 module_start(SceSize args __attribute__((unused)), void *argp __attribute__(
// Subroutine module_stop - Address 0x00000558
s32 module_stop(SceSize args __attribute__((unused)), void *argp __attribute__((unused)))
{
int ret = sceUsbBus_driver_C1E2A540(&drv);
int ret = sceUsbBus_driver_C1E2A540(&g_drv);
return (ret < 0)? 1 : 0;
}