Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixed wrong MMU mapping of emulated Falcon video memory (phys and virt

Browse Source 
where the wrong way round)
This commit is contained in:
Markus Fröschle
2014-05-11 06:57:09 +00:00
parent fb9c4aaa1d
commit b0fb7b8df3
2 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
sys/mmu.c
View File

@@ -192,8 +192,8 @@ static struct mmu_mapping locked_map[] =
{
{
/* Falcon video memory. Needs special care */
0xd00000,
0x60d00000,
0xd00000,
0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_WRITETHROUGH, SV_USER, SCA_PAGE_ID, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
@@ -429,8 +429,8 @@ bool access_exception(uint32_t pc, uint32_t format_status)
{
case 0x4010000: /* TLB miss on opword of instruction fetch */
case 0x4020000: /* TLB miss on extension word of instruction fetch */
fault_address = pc;
break;
//fault_address = pc;
//break;
case 0x8020000: /* TLB miss on data write */
case 0xc020000: /* TLB miss on data read or read-modify-write */
fault_address = MCF_MMU_MMUAR;

6
sys/sysinit.c
View File

@@ -669,7 +669,8 @@ static bool i2c_bus_free(void)
/*
* TFP410 (DVI) on
*/
void dvi_on(void) {
void dvi_on(void)
{
uint8_t receivedByte;
uint8_t dummyByte; /* only used for a dummy read */
int num_tries = 0;
@@ -678,7 +679,8 @@ void dvi_on(void) {
MCF_I2C_I2FDR = 0x3c; /* divide system clock by 1280: 100kHz standard */
do {
do
{
/* disable all i2c interrupt routing targets */
MCF_I2C_I2ICR = 0x0; // ~(MCF_I2C_I2ICR_IE | MCF_I2C_I2ICR_RE | MCF_I2C_I2ICR_TE | MCF_I2C_I2ICR_BNBE);