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authorMiquel Sabaté Solà <mikisabate@gmail.com>2024-12-03 07:47:56 +0100
committerMiquel Sabaté Solà <mikisabate@gmail.com>2024-12-03 07:47:56 +0100
commit4ab2ce3fb0e6b8085742c734a8f5437db5979046 (patch)
treeed1312f2b0e75fb5f4a4d1aea9c862616dbde41a /include
parent58fcecc381be82992f718a6ef9bf7ddcd3bca369 (diff)
downloadfbos-4ab2ce3fb0e6b8085742c734a8f5437db5979046.tar.gz
fbos-4ab2ce3fb0e6b8085742c734a8f5437db5979046.zip
Simplify how we fetch the load address
Similarly to 58fcecc381be ("Simplify the constant on the size of the stack"), the base and offset load addresses where taken from the Linux kernel, which has to account for way more stuff than this poor kernel. Hence, let's be more explicit about the base address and the offset where the kernel will be located, so it's actually more clear both on the linker, and on the kernel's header. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/fbos/mm.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/fbos/mm.h b/include/fbos/mm.h
index 017e28a..f8c54d9 100644
--- a/include/fbos/mm.h
+++ b/include/fbos/mm.h
@@ -12,10 +12,11 @@
/*
* The code will be linked to start at the first page, which will have a given
- * offset.
+ * offset from the base address where a kernel can be allocated on a RISC-V
+ * machine.
*/
-
-#define PAGE_OFFSET 0x80200000
-#define LOAD_OFFSET PAGE_OFFSET
+#define LOAD_BASE_ADDR 0x80000000
+#define LOAD_BASE_OFFSET 0x00200000
+#define LOAD_OFFSET (LOAD_BASE_ADDR + LOAD_BASE_OFFSET)
#endif /* __FBOS_MM_H */