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Add IOSUHAX_kern_write32 and IOSUHAX_kern_read32

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This commit is contained in:
GaryOderNichts 2021-04-05 00:20:27 +02:00
parent 1a996516ac
commit 69532cf9d9
2 changed files with 41 additions and 0 deletions
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3
include/iosuhax.h
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@ -69,6 +69,9 @@ int IOSUHAX_memwrite(uint32_t address, const uint8_t * buffer, uint32_t size); /
int IOSUHAX_memread(uint32_t address, uint8_t * out_buffer, uint32_t size); // IOSU external output
int IOSUHAX_memcpy(uint32_t dst, uint32_t src, uint32_t size); // IOSU internal memcpy only
int IOSUHAX_kern_write32(uint32_t address, uint32_t value);
int IOSUHAX_kern_read32(uint32_t address, uint32_t* out_buffer, uint32_t count);
int IOSUHAX_SVC(uint32_t svc_id, uint32_t * args, uint32_t arg_cnt);
int IOSUHAX_FSA_Open();

38
source/iosuhax.c
View File

@ -158,6 +158,44 @@ int IOSUHAX_memcpy(uint32_t dst, uint32_t src, uint32_t size)
return IOS_Ioctl(iosuhaxHandle, IOCTL_MEMCPY, io_buf, 3 * sizeof(uint32_t), 0, 0);
}
int IOSUHAX_kern_write32(uint32_t address, uint32_t value)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
ALIGN(0x20) uint32_t io_buf[0x20 >> 2];
io_buf[0] = address;
io_buf[1] = value;
return IOS_Ioctl(iosuhaxHandle, IOCTL_KERN_WRITE32, io_buf, 2 * sizeof(uint32_t), 0, 0);
}
int IOSUHAX_kern_read32(uint32_t address, uint32_t* out_buffer, uint32_t count)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
ALIGN(0x20) uint32_t io_buf[0x20 >> 2];
io_buf[0] = address;
void* tmp_buf = NULL;
if(((uintptr_t)out_buffer & 0x1F) || ((count * 4) & 0x1F))
{
tmp_buf = (uint32_t*)memalign(0x20, ROUNDUP((count * 4), 0x20));
if(!tmp_buf)
return -2;
}
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_KERN_READ32, io_buf, sizeof(address), tmp_buf ? tmp_buf : out_buffer, count * 4);
if(res >= 0 && tmp_buf)
memcpy(out_buffer, tmp_buf, count * 4);
free(tmp_buf);
return res;
}
int IOSUHAX_SVC(uint32_t svc_id, uint32_t * args, uint32_t arg_cnt)
{
if(iosuhaxHandle < 0)