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commit b506f90239ec1e3383d8830225494d547042aaf4
Author: Paul Cercueil <pa...@cr...>
Date: Thu Jul 10 00:30:32 2025 +0200
pvr: Extend VRAM to 16 MiB on Naomi
The Naomi has 16 MiB of VRAM.
Signed-off-by: Paul Cercueil <pa...@cr...>
-----------------------------------------------------------------------
Summary of changes:
kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h b/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
index 2f4180f4..74f20d06 100644
--- a/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
+++ b/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
@@ -30,6 +30,8 @@
#include <sys/cdefs.h>
__BEGIN_DECLS
+#include <kos/platform.h>
+
/**** Register macros ***************************************************/
/** \defgroup pvr_registers Registers
@@ -173,7 +175,8 @@ __BEGIN_DECLS
#define PVR_RAM_BASE 0xa5000000 /**< \brief VRAM 32-bit, P2 area, PVR->VRAM */
#define PVR_RAM_INT_BASE 0xa4000000 /**< \brief VRAM 64-bit, P2 area, PVR->VRAM */
-#define PVR_RAM_SIZE (8*1024*1024) /**< \brief RAM size in bytes */
+#define PVR_RAM_SIZE_MB (KOS_PLATFORM_IS_NAOMI ? 16 : 8) /**< \brief RAM size in MiB */
+#define PVR_RAM_SIZE (PVR_RAM_SIZE_MB*1024*1024) /**< \brief RAM size in bytes */
#define PVR_RAM_TOP (PVR_RAM_BASE + PVR_RAM_SIZE) /**< \brief Top of raw PVR RAM */
#define PVR_RAM_INT_TOP (PVR_RAM_INT_BASE + PVR_RAM_SIZE) /**< \brief Top of int PVR RAM */
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A pseudo Operating System for the Dreamcast.
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