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| author | Aidan MacDonald <amachronic@protonmail.com> | 2022-10-28 19:23:22 +0100 |
|---|---|---|
| committer | Aidan MacDonald <amachronic@protonmail.com> | 2022-10-28 20:32:38 +0100 |
| commit | 744ea2ff431a2b19e3fc2074525ce5953ad56609 (patch) | |
| tree | 863fa3fd2add87c1bfa3b1a03a9a2449514c5dbf | |
| parent | 9e258652c47b0225730a19775304a33649f5c0a2 (diff) | |
| download | rockbox-744ea2ff431a2b19e3fc2074525ce5953ad56609.tar.gz rockbox-744ea2ff431a2b19e3fc2074525ce5953ad56609.zip | |
x1000: Allow SPL and bootloader to pass arguments to next stage
Change-Id: I61591d704c14acf06cd192a6e9355f0a9c25d0d8
| -rw-r--r-- | firmware/target/mips/ingenic_x1000/crt0.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_x1000/crt0.S b/firmware/target/mips/ingenic_x1000/crt0.S index 86129a35a1..ad2719474b 100644 --- a/firmware/target/mips/ingenic_x1000/crt0.S +++ b/firmware/target/mips/ingenic_x1000/crt0.S | |||
| @@ -55,6 +55,12 @@ _header: | |||
| 55 | #endif | 55 | #endif |
| 56 | 56 | ||
| 57 | _realstart: | 57 | _realstart: |
| 58 | /* Save bootloader arguments. */ | ||
| 59 | move s0, a0 | ||
| 60 | move s1, a1 | ||
| 61 | move s2, a2 | ||
| 62 | move s3, a3 | ||
| 63 | |||
| 58 | /* Copy IRAM from BSS to low memory. */ | 64 | /* Copy IRAM from BSS to low memory. */ |
| 59 | la a0, _iramcopy | 65 | la a0, _iramcopy |
| 60 | la a1, _iramstart | 66 | la a1, _iramstart |
| @@ -109,6 +115,13 @@ _realstart: | |||
| 109 | /* Jump to C code */ | 115 | /* Jump to C code */ |
| 110 | jal system_early_init | 116 | jal system_early_init |
| 111 | nop | 117 | nop |
| 118 | |||
| 119 | /* Restore bootloader arguments, jump to main. */ | ||
| 120 | move a0, s0 | ||
| 121 | move a1, s1 | ||
| 122 | move a2, s2 | ||
| 123 | move a3, s3 | ||
| 124 | |||
| 112 | j main | 125 | j main |
| 113 | move ra, zero /* init backtrace root */ | 126 | move ra, zero /* init backtrace root */ |
| 114 | 127 | ||