* SPDX-License-Identifier: Intel
*/
-#include <types.h>
-#include <string.h>
-#include "fsp_support.h"
+#include <common.h>
+#include <asm/arch/fsp/fsp_support.h>
+#include <asm/post.h>
/**
* Reads a 64-bit value from memory that may be unaligned.
return (u32)fsp;
}
-#ifdef __PRE_RAM__
void fsp_continue(struct shared_data_t *shared_data, u32 status, void *hob_list)
{
u32 stack_len;
u32 stack_base;
u32 stack_top;
+ post_code(POST_MRC);
+
ASSERT(status == 0);
/* Get the migrated stack in normal memory */
((u32)shared_data - *(u32 *)stack_top));
/* The boot loader main function entry */
- bl_main_continue(hob_list, shared_data);
+ fsp_init_done(hob_list);
}
void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf)
shared_data.fsp_hdr = fsp_hdr;
shared_data.stack_top = (u32 *)stack_top;
+ post_code(POST_PRE_MRC);
+
/*
* Use ASM code to ensure the register value in EAX & ECX
* will be passed into BlContinuationFunc
"call *%%eax;"
".global asm_continuation;"
"asm_continuation:;"
- "popl %%eax;" /* pop out return address */
- "pushl %%ecx;" /* push shared_data pointer */
- "pushl %%eax;" /* push back return address */
+ "movl %%ebx, %%eax;" /* shared_data */
+ "movl 4(%%esp), %%edx;" /* status */
+ "movl 8(%%esp), %%ecx;" /* hob_list */
"jmp fsp_continue;"
- : : "m"(params_ptr), "a"(init), "c"(&shared_data)
+ : : "m"(params_ptr), "a"(init), "b"(&shared_data)
);
/*
ASSERT(FALSE);
}
-#else
-
u32 fsp_notify(struct fsp_header_t *fsp_hdr, u32 phase)
{
fsp_notify_f notify;
struct fsp_notify_params_t params;
+ struct fsp_notify_params_t *params_ptr;
u32 status;
if (!fsp_hdr)
notify = (fsp_notify_f)(fsp_hdr->img_base + fsp_hdr->fsp_notify);
params.phase = phase;
- status = notify(¶ms);
+ params_ptr = ¶ms;
+
+ /*
+ * Use ASM code to ensure correct parameter is on the stack for
+ * FspNotify as U-Boot is using different ABI from FSP
+ */
+ asm volatile (
+ "pushl %1;" /* push notify phase */
+ "call *%%eax;" /* call FspNotify */
+ "addl $4, %%esp;" /* clean up the stack */
+ : "=a"(status) : "m"(params_ptr), "a"(notify), "m"(*params_ptr)
+ );
return status;
}
-#endif /* __PRE_RAM__ */
-
u32 get_usable_lowmem_top(const void *hob_list)
{
union hob_pointers_t hob;