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git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-01 08:24:40 +02:00
Fix bulk transfer bufferoverflows.
Make the bulk buffer large enough to hold at least one page of the nanonotes nand chip.
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@ -22,8 +22,7 @@
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#ifndef __USB_BOOT_H__
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#define __USB_BOOT_H__
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#define BULK_OUT_BUF_SIZE 0x21000
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#define BULK_IN_BUF_SIZE 0x21000
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#define BULK_BUF_SIZE (2048 * 128)
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enum UDC_STATE
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{
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@ -42,8 +42,7 @@ void (*nand_enable) (unsigned int csn);
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void (*nand_disable) (unsigned int csn);
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struct hand Hand,*Hand_p;
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extern u32 Bulk_out_buf[BULK_OUT_BUF_SIZE];
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extern u32 Bulk_in_buf[BULK_IN_BUF_SIZE];
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extern u32 Bulk_buf[BULK_BUF_SIZE];
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extern u16 handshake_PKT[4];
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extern udc_state;
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extern void *memset(void *s, int c, size_t count);
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@ -68,8 +67,8 @@ void dump_data(unsigned int *p, int size)
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void config_hand()
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{
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struct hand *hand_p;
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hand_p=(struct hand *)Bulk_out_buf;
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memcpy(&Hand, (unsigned char *)Bulk_out_buf, sizeof(struct hand));
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hand_p=(struct hand *)Bulk_buf;
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memcpy(&Hand, (unsigned char *)Bulk_buf, sizeof(struct hand));
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#if 0
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Hand.nand_bw=hand_p->nand_bw;
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@ -165,8 +164,8 @@ int NAND_OPS_Handle(u8 *buf)
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{
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case NAND_QUERY:
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dprintf("\n Request : NAND_QUERY!");
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nand_query((u8 *)Bulk_in_buf);
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HW_SendPKT(1, Bulk_in_buf, 8);
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nand_query((u8 *)Bulk_buf);
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HW_SendPKT(1, Bulk_buf, 8);
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handshake_PKT[3]=(u16)ERR_OK;
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udc_state = BULK_IN;
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break;
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@ -185,11 +184,11 @@ int NAND_OPS_Handle(u8 *buf)
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break;
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case NAND_READ_OOB:
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dprintf("\n Request : NAND_READ_OOB!");
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memset(Bulk_in_buf,0,ops_length*Hand.nand_ps);
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ret_dat = nand_read_oob(Bulk_in_buf,start_addr,ops_length);
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memset(Bulk_buf,0,ops_length*Hand.nand_ps);
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ret_dat = nand_read_oob(Bulk_buf,start_addr,ops_length);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*Hand.nand_ps);
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*Hand.nand_ps);
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udc_state = BULK_IN;
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break;
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case NAND_READ_RAW:
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@ -197,15 +196,15 @@ int NAND_OPS_Handle(u8 *buf)
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switch (option)
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{
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case OOB_ECC:
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nand_read_raw(Bulk_in_buf,start_addr,ops_length,option);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*(Hand.nand_ps + Hand.nand_os));
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nand_read_raw(Bulk_buf,start_addr,ops_length,option);
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*(Hand.nand_ps + Hand.nand_os));
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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udc_state = BULK_IN;
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break;
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default:
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nand_read_raw(Bulk_in_buf,start_addr,ops_length,option);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*Hand.nand_ps);
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nand_read_raw(Bulk_buf,start_addr,ops_length,option);
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*Hand.nand_ps);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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udc_state = BULK_IN;
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@ -226,24 +225,24 @@ int NAND_OPS_Handle(u8 *buf)
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dprintf("\n Request : NAND_READ!");
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switch (option) {
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case OOB_ECC:
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ret_dat = nand_read(Bulk_in_buf,start_addr,ops_length,OOB_ECC);
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ret_dat = nand_read(Bulk_buf,start_addr,ops_length,OOB_ECC);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*(Hand.nand_ps + Hand.nand_os ));
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*(Hand.nand_ps + Hand.nand_os ));
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udc_state = BULK_IN;
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break;
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case OOB_NO_ECC:
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ret_dat = nand_read(Bulk_in_buf,start_addr,ops_length,OOB_NO_ECC);
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ret_dat = nand_read(Bulk_buf,start_addr,ops_length,OOB_NO_ECC);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*(Hand.nand_ps + Hand.nand_os));
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*(Hand.nand_ps + Hand.nand_os));
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udc_state = BULK_IN;
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break;
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case NO_OOB:
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ret_dat = nand_read(Bulk_in_buf,start_addr,ops_length,NO_OOB);
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ret_dat = nand_read(Bulk_buf,start_addr,ops_length,NO_OOB);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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HW_SendPKT(1,(u8 *)Bulk_in_buf,ops_length*Hand.nand_ps);
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HW_SendPKT(1,(u8 *)Bulk_buf,ops_length*Hand.nand_ps);
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udc_state = BULK_IN;
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break;
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}
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@ -251,7 +250,7 @@ int NAND_OPS_Handle(u8 *buf)
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break;
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case NAND_PROGRAM:
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dprintf("\n Request : NAND_PROGRAM!");
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ret_dat = nand_program((void *)Bulk_out_buf,
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ret_dat = nand_program((void *)Bulk_buf,
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start_addr,ops_length,option);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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@ -285,7 +284,7 @@ int SDRAM_OPS_Handle(u8 *buf)
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{
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case SDRAM_LOAD:
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//dprintf("\n Request : SDRAM_LOAD!");
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ret_dat = (u32)memcpy((u8 *)start_addr,Bulk_out_buf,ops_length);
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ret_dat = (u32)memcpy((u8 *)start_addr,Bulk_buf,ops_length);
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handshake_PKT[0] = (u16) ret_dat;
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handshake_PKT[1] = (u16) (ret_dat>>16);
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HW_SendPKT(1,handshake_PKT,sizeof(handshake_PKT));
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@ -24,8 +24,7 @@
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#define dprintf(x...)
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#define TXFIFOEP0 USB_FIFO_EP0
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u32 Bulk_in_buf[BULK_IN_BUF_SIZE];
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u32 Bulk_out_buf[BULK_OUT_BUF_SIZE];
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u32 Bulk_buf[BULK_BUF_SIZE];
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u32 Bulk_in_size, Bulk_in_finish, Bulk_out_size;
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u16 handshake_PKT[4] = {0, 0, 0, 0};
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u8 udc_state;
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@ -513,12 +512,12 @@ void EPIN_Handler(u8 EP)
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}
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if (Bulk_in_size - Bulk_in_finish <= fifosize[EP]) {
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udcWriteFifo((u8 *)((u32)Bulk_in_buf+Bulk_in_finish),
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udcWriteFifo((u8 *)((u32)Bulk_buf+Bulk_in_finish),
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Bulk_in_size - Bulk_in_finish);
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usb_setw(USB_REG_INCSR, USB_INCSR_INPKTRDY);
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Bulk_in_finish = Bulk_in_size;
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} else {
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udcWriteFifo((u8 *)((u32)Bulk_in_buf+Bulk_in_finish),
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udcWriteFifo((u8 *)((u32)Bulk_buf+Bulk_in_finish),
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fifosize[EP]);
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usb_setw(USB_REG_INCSR, USB_INCSR_INPKTRDY);
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Bulk_in_finish += fifosize[EP];
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@ -531,7 +530,7 @@ void EPOUT_Handler(u8 EP)
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jz_writeb(USB_REG_INDEX, EP);
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size = jz_readw(USB_REG_OUTCOUNT);
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fifo = fifoaddr[EP];
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udcReadFifo((u8 *)((u32)Bulk_out_buf+Bulk_out_size), size);
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udcReadFifo((u8 *)((u32)Bulk_buf+Bulk_out_size), size);
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usb_clearb(USB_REG_OUTCSR,USB_OUTCSR_OUTPKTRDY);
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Bulk_out_size += size;
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dprintf("\nEPOUT_handle return!");
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