[OpenOCD-devel] [PATCH]: 496b034 cortex_m: support control.FPCA

[gerrit]

This is an automated email from Gerrit.

Sylvain Chouleur (sylvain.choul...@gmail.com) just uploaded a new patch set to 
Gerrit, which you can find at http://openocd.zylin.com/5853

-- gerrit

commit 496b034b17666f733a850e090990f3d1f725a2b4
Author: Sylvain Chouleur <schoul...@graimatterlabs.ai>
Date:   Mon Oct 12 17:24:05 2020 +0200

    cortex_m: support control.FPCA
    
    Bit 2 of control register is used if the processor includes the FP
    extension
    
    Change-Id: Ie21bc9de8cae5bad9d841e1908eff3aa0bb29d4b
    Signed-off-by: Sylvain Chouleur <schoul...@graimatterlabs.ai>

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 55664a7..abc377f 100644
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -541,7 +541,7 @@ static int cortex_m_debug_entry(struct target *target)
                arm->map = armv7m_msp_reg_map;
        } else {
                unsigned control = buf_get_u32(arm->core_cache
-                               ->reg_list[ARMV7M_CONTROL].value, 0, 2);
+                               ->reg_list[ARMV7M_CONTROL].value, 0, 3);
 
                /* is this thread privileged? */
                arm->core_mode = control & 1
@@ -1678,7 +1678,7 @@ static int cortex_m_load_core_reg_u32(struct target 
*target,
                                        break;
 
                                case ARMV7M_CONTROL:
-                                       *value = buf_get_u32((uint8_t *)value, 
24, 2);
+                                       *value = buf_get_u32((uint8_t *)value, 
24, 3);
                                        break;
                        }
 
@@ -1764,7 +1764,7 @@ static int cortex_m_store_core_reg_u32(struct target 
*target,
                                        break;
 
                                case ARMV7M_CONTROL:
-                                       buf_set_u32((uint8_t *)&reg, 24, 2, 
value);
+                                       buf_set_u32((uint8_t *)&reg, 24, 3, 
value);
                                        break;
                        }
 

-- 


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