From c9172d4ff818efac4ea239710bf71e47ce88369c Mon Sep 17 00:00:00 2001
From: Aidan MacDonald <amachronic@protonmail.com>
Date: Thu, 5 Mar 2026 16:16:45 +0000
Subject: [PATCH] plugins: clean up target DRAM/IRAM mapping defines

Move the definition of DRAMSIZE into the SoC-specific
ifdef block below. This keeps the memory map defines
for a SoC together in one place and as a result it is
much easier to understand.

Change-Id: Ie7293616a3c572b381cfeab3531751562c19a9c4
---
 apps/plugins/plugin.lds | 91 +++++++++++++++++------------------------
 1 file changed, 38 insertions(+), 53 deletions(-)

diff --git a/apps/plugins/plugin.lds b/apps/plugins/plugin.lds
index 41348e4010..e35e3dcefe 100644
--- a/apps/plugins/plugin.lds
+++ b/apps/plugins/plugin.lds
@@ -15,108 +15,85 @@ OUTPUT_FORMAT(elf32-littlemips)
 #error Unknown CPU architecture
 #endif
 
-#if CONFIG_CPU==IMX31L
-#define DRAMSIZE ((MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE \
-                  - CODEC_SIZE - QHARRAY_SIZE - FRAME_SIZE - TTB_SIZE)
-
-#elif CONFIG_CPU==DM320
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA
-
-#elif CONFIG_CPU==S3C2440
-/* must be 16Kb (0x4000) aligned */
-#define TTB_SIZE         (0x4000)
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_BUFFER_SIZE - TTB_SIZE
-
-#elif CONFIG_CPU==TCC7801
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE
-
-#elif CONFIG_CPU==AS3525 || CONFIG_CPU==AS3525v2
-#define DRAMORIG DRAM_ORIG
-#if defined(AMS_LOWMEM) || (CONFIG_CPU == AS3525v2)
-#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - TTB_SIZE)
-#else
-#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE)
-#endif
-#elif CONFIG_CPU==S5L8702 || CONFIG_CPU==S5L8720
-#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE)
-#elif CONFIG_CPU==IMX233
-#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - FRAME_SIZE - TTB_SIZE)
-#elif CONFIG_CPU == JZ4732 || CONFIG_CPU == JZ4760B
-/* fake 'iram' region occupies first 16k */
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - 0x4000
-#elif CONFIG_CPU==X1000
-#define DRAMSIZE (X1000_DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE)
-#endif
-
- /* default to full RAM (minus codecs&plugins) unless specified otherwise */
-#ifndef DRAMSIZE
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
-#endif
-
 /* MCF5249 have 96KB of IRAM */
 #if CONFIG_CPU == MCF5249
 #define DRAMORIG 0x31000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG 0x1000c000
 #define IRAMSIZE 0xc000
 
 /* MCF5250 have 128KB of IRAM */
 #elif CONFIG_CPU == MCF5250
 #define DRAMORIG 0x31000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG 0x1000c800
 #define IRAMSIZE 0x13800
 
 #elif CONFIG_CPU == PP5022 || CONFIG_CPU == PP5024
 /* PP5022/24 have 128KB of IRAM */
 #define DRAMORIG 0x00000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG 0x4000c000
 #define IRAMSIZE 0x14000
 
 #elif defined(CPU_PP)
 /* all other PP's have 96KB of IRAM */
 #define DRAMORIG 0x00000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG 0x4000c000
 #define IRAMSIZE 0x0c000
 
-#elif CONFIG_CPU == IMX31L || CONFIG_CPU == S3C2440
+#elif CONFIG_CPU == IMX31L
 #define DRAMORIG 0x0
+#define DRAMSIZE ((MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE \
+                  - CODEC_SIZE - QHARRAY_SIZE - FRAME_SIZE - TTB_SIZE)
+#define IRAM DRAM
+#define IRAMSIZE 0
+
+#elif CONFIG_CPU == S3C2440
+#define DRAMORIG 0x0
+#define DRAMSIZE ((MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE \
+                  - CODEC_SIZE - LCD_BUFFER_SIZE - TTB_SIZE)
 #define IRAM DRAM
 #define IRAMSIZE 0
 
 #elif CONFIG_CPU==DM320
 #define DRAMORIG CONFIG_SDRAM_START
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA
 #define IRAM DRAM
 /* The bit of IRAM that is available is used in the core */
 #define IRAMSIZE 0
 
-#elif defined(CPU_TCC780X)
+#elif CONFIG_CPU==TCC7801
 #define DRAMORIG 0x20000000
-#if CONFIG_CPU==TCC7801
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE
 #define IRAMORIG 0x1000c000
 #define IRAMSIZE 0xc000
-#else
-#define IRAM DRAM
-#define IRAMSIZE 0
-#endif
 
-#elif CONFIG_CPU==AS3525 || CONFIG_CPU==AS3525v2
-#if defined(AMS_LOWMEM) || (CONFIG_CPU == AS3525v2)
+#elif CONFIG_CPU==AS3525 && !defined(AMS_LOWMEM)
+#define DRAMORIG DRAM_ORIG
+#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE)
+#define IRAMORIG (IRAM_ORIG + 0x20000)
+#define IRAMSIZE (IRAM_ORIG + IRAM_SIZE - IRAMORIG)
+
+#elif CONFIG_CPU==AS3525v2 || (CONFIG_CPU == AS3525 && defined(AMS_LOWMEM))
+#define DRAMORIG DRAM_ORIG
+#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - TTB_SIZE)
 #define IRAMSIZE 0  /* simulates no IRAM since codec is already entirely in IRAM */
 #define CODEC_ORIGIN (IRAM_ORIG + IRAM_SIZE - CODEC_SIZE)
 #define PLUGIN_ORIGIN (DRAM_ORIG + DRAMSIZE)
-#else
-#define IRAMORIG (IRAM_ORIG + 0x20000)
-#define IRAMSIZE (IRAM_ORIG + IRAM_SIZE - IRAMORIG)
-#endif
 
 #elif CONFIG_CPU==S5L8700
 /* S5L8700 have 256KB of IRAM */
 #define DRAMORIG 0x08000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG (0x00000000 + (48*1024))
 #define IRAMSIZE (208*1024)
 
 #elif CONFIG_CPU==S5L8701
 /* S5L8701 have 176KB of IRAM */
 #define DRAMORIG 0x08000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAMORIG (0x00000000 + (48*1024))
 #define IRAMSIZE (128*1024)
 
@@ -124,6 +101,7 @@ OUTPUT_FORMAT(elf32-littlemips)
 /* S5L8702 have 256KB of IRAM */
 /* IRAM1 (2nd 128KB block) is not used because it is slower than DRAM */
 #define DRAMORIG 0x08000000
+#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE)
 #define IRAMORIG (0x00000000 + (48*1024))
 #define IRAMSIZE (80*1024)
 
@@ -131,38 +109,45 @@ OUTPUT_FORMAT(elf32-littlemips)
 /* S5L8720 have 192KB of IRAM */
 /* TODO: check if IRAM1 is also slow as in S5L8702 above */
 #define DRAMORIG 0x08000000
+#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE)
 #define IRAMORIG (0x00000000 + (56*1024))
 #define IRAMSIZE (136*1024)
 
 #elif CONFIG_CPU == JZ4732 || CONFIG_CPU == JZ4760B
+/* fake 'iram' region occupies first 16k */
 #define DRAMORIG 0x80004000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE - 0x4000
+/* The bit of IRAM that is available is used in the core */
 #define IRAM DRAM
 #define IRAMSIZE 0
-/* The bit of IRAM that is available is used in the core */
 
 #elif CONFIG_CPU == X1000
 #define DRAMORIG X1000_DRAM_BASE
+#define DRAMSIZE (X1000_DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE)
 #define IRAM DRAM
 #define IRAMSIZE 0
 
 #elif CONFIG_CPU == RK27XX
 #define DRAMORIG 0x60000000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAM DRAM
 #define IRAMSIZE 0
 
 #elif CONFIG_CPU == IMX233
 /* The IRAM is too small and already partly used by the core */
 #define DRAMORIG CACHED_DRAM_ADDR
+#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - FRAME_SIZE - TTB_SIZE)
 #define IRAM DRAM
 #define IRAMSIZE 0
 
 #elif CONFIG_CPU == STM32H743
 #define DRAMORIG STM32_SDRAM1_BASE
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - CODEC_SIZE
 #define IRAM     DRAM
 #define IRAMSIZE 0
 
 #else
-# error "DRAMORIG not defined!"
+# error "DRAM/IRAM memory map not defined!"
 #endif
 
 #define PLUGIN_LENGTH PLUGIN_BUFFER_SIZE