From 44c02d9c8c1218fbb24804bb6486081361ec7243 Mon Sep 17 00:00:00 2001
From: Rocky04 <rockerfaeller04@gmx.de>
Date: Thu, 2 May 2024 09:55:05 +0000
Subject: [PATCH] Dynamic SRAM size for F4 memory map - Instead of using a
 fixed size of 128 KB for the SRAM memory map for F4 chips it now uses the
 definied SRAM size from the chip configuration

---
 src/st-util/gdb-server.c | 3 ++-
 src/st-util/memory-map.h | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/st-util/gdb-server.c b/src/st-util/gdb-server.c
index 28e06231..d11c320b 100644
--- a/src/st-util/gdb-server.c
+++ b/src/st-util/gdb-server.c
@@ -354,7 +354,8 @@ char* make_memory_map(stlink_t *sl) {
     if (sl->chip_id == STM32_CHIPID_F4 ||
         sl->chip_id == STM32_CHIPID_F446 ||
         sl->chip_id == STM32_CHIPID_F411xx) {
-            strcpy(map, memory_map_template_F4);
+        snprintf(map, sz, memory_map_template_F4,
+                 sl->sram_size);
     } else if (sl->chip_id == STM32_CHIPID_F4_DE) {
         strcpy(map, memory_map_template_F4_DE);
     } else if (sl->core_id == STM32_CORE_ID_M7F_SWD) {
diff --git a/src/st-util/memory-map.h b/src/st-util/memory-map.h
index 6f34eeda..37acb62e 100644
--- a/src/st-util/memory-map.h
+++ b/src/st-util/memory-map.h
@@ -8,7 +8,7 @@ static const char* const memory_map_template_F4 =
     "<memory-map>"
     "  <memory type=\"rom\" start=\"0x00000000\" length=\"0x100000\"/>"     // code = sram, bootrom or flash; flash is bigger
     "  <memory type=\"ram\" start=\"0x10000000\" length=\"0x10000\"/>"      // ccm ram
-    "  <memory type=\"ram\" start=\"0x20000000\" length=\"0x20000\"/>"      // sram
+    "  <memory type=\"ram\" start=\"0x20000000\" length=\"0x%x\"/>"         // sram
     "  <memory type=\"flash\" start=\"0x08000000\" length=\"0x10000\">"     // Sectors 0...3
     "    <property name=\"blocksize\">0x4000</property>"                    // 16 kB
     "  </memory>"