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adi_v5: enforce check on AP number value

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The AP number value is restricted in 8 bits unsigned by ADI-v5
specification. Nevertheless, an "invalid" value is used by
target cortex-m to force an automatic detection of the AP.

Replace magic numbers by using new macros for AP max number and
for the value of AP invalid.
Check the value passed through -ap-num flag during configuration.

Change-Id: Ic19a367db0ab11c0ebd070750eca0647d25279a5
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/4668
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Antonio Borneo
2018-09-05 15:37:15 +02:00
committed by Matthias Welwarsky
parent 2a3b709aa5
commit 11019a824d
5 changed files with 22 additions and 11 deletions
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4
src/target/arm_cti.c
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@@ -431,6 +431,10 @@ static int cti_configure(Jim_GetOptInfo *goi, struct arm_cti_object *cti)
e = Jim_GetOpt_Wide(goi, &w);
if (e != JIM_OK)
return e;
if (w < 0 || w > DP_APSEL_MAX) {
Jim_SetResultString(goi->interp, "-ap-num is invalid", -1);
return JIM_ERR;
}
cti->ap_num = (uint32_t)w;
}
}