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lib: sbi: Remove sbi_trap_exit() and related code

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Over the years, no uses of sbi_trap_exit() have been found so remove
it and also remove related code from fw_base.S and sbi_scratch.h.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
This commit is contained in:
Anup Patel
2024-03-11 11:04:50 +05:30
committed by Anup Patel
parent 2e8517865a
commit ebb697ad8c
4 changed files with 3 additions and 44 deletions
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15
include/sbi/sbi_scratch.h
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@@ -36,14 +36,12 @@
#define SBI_SCRATCH_PLATFORM_ADDR_OFFSET (9 * __SIZEOF_POINTER__)
/** Offset of hartid_to_scratch member in sbi_scratch */
#define SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET (10 * __SIZEOF_POINTER__)
/** Offset of trap_exit member in sbi_scratch */
#define SBI_SCRATCH_TRAP_EXIT_OFFSET (11 * __SIZEOF_POINTER__)
/** Offset of tmp0 member in sbi_scratch */
#define SBI_SCRATCH_TMP0_OFFSET (12 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_TMP0_OFFSET (11 * __SIZEOF_POINTER__)
/** Offset of options member in sbi_scratch */
#define SBI_SCRATCH_OPTIONS_OFFSET (13 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_OPTIONS_OFFSET (12 * __SIZEOF_POINTER__)
/** Offset of extra space in sbi_scratch */
#define SBI_SCRATCH_EXTRA_SPACE_OFFSET (14 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_EXTRA_SPACE_OFFSET (13 * __SIZEOF_POINTER__)
/** Maximum size of sbi_scratch (4KB) */
#define SBI_SCRATCH_SIZE (0x1000)
@@ -77,8 +75,6 @@ struct sbi_scratch {
unsigned long platform_addr;
/** Address of HART ID to sbi_scratch conversion function */
unsigned long hartid_to_scratch;
/** Address of trap exit function */
unsigned long trap_exit;
/** Temporary storage */
unsigned long tmp0;
/** Options for OpenSBI library */
@@ -129,11 +125,6 @@ _Static_assert(
== SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, trap_exit)
== SBI_SCRATCH_TRAP_EXIT_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_TRAP_EXIT_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, tmp0)
== SBI_SCRATCH_TMP0_OFFSET,