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cmsis_dap: Transfersize of block commands needs to cope with word. 

Checkme: Dragonprobe bulk hangs on transfers with 15 words.
This commit is contained in:
Uwe Bonnes 2021-10-31 11:07:07 +01:00
parent 8970160f1d
commit 1d0e45bdbb
1 changed files with 2 additions and 2 deletions
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4
src/platforms/hosted/cmsis_dap.c
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@ -279,7 +279,7 @@ static void dap_mem_read(ADIv5_AP_t *ap, void *dest, uint32_t src, size_t len)
return dap_read_single(ap, dest, src, align);
/* One word transfer for every byte/halfword/word
* Total number of bytes in transfer*/
unsigned int max_size = (dbg_get_report_size() - 5) >> (2 - align);
unsigned int max_size = ((dbg_get_report_size() - 6) >> (2 - align)) & ~3;
while (len) {
dap_ap_mem_access_setup(ap, src, align);
/* Calculate length until next access setup is needed */
@ -316,7 +316,7 @@ static void dap_mem_write_sized(
dest, len, align, *(uint32_t *)src);
if (((unsigned)(1 << align)) == len)
return dap_write_single(ap, dest, src, align);
unsigned int max_size = (dbg_get_report_size() - 5) >> (2 - align);
unsigned int max_size = ((dbg_get_report_size() - 6) >> (2 - align) & ~3);
while (len) {
dap_ap_mem_access_setup(ap, dest, align);
unsigned int blocksize = (dest | 0x3ff) - dest + 1;