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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-11 12:00:52 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-11 12:00:52 +1000 |
| commit | eb7b14b2ca04dfd2b719572dbea92300106683ad (patch) | |
| tree | b0e0715eab6deb29d3cf865f81cf69a01e4f763b /cf-code | |
| parent | 2382b0b51d6dc9a4fe5cabfdfedff1fe5166a058 (diff) | |
| download | cf-fsi-eb7b14b2ca04dfd2b719572dbea92300106683ad.tar.gz cf-fsi-eb7b14b2ca04dfd2b719572dbea92300106683ad.zip | |
Move stack down into the code section
This will make it easier to share the reserved memory
from Linux as the ucode is now fully self contained.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'cf-code')
| -rw-r--r-- | cf-code/cf-fsi-fw.S | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/cf-code/cf-fsi-fw.S b/cf-code/cf-fsi-fw.S index 323ee56..4b5c9bf 100644 --- a/cf-code/cf-fsi-fw.S +++ b/cf-code/cf-fsi-fw.S @@ -5,6 +5,8 @@ .equ GPIO_BASE, 0x780000 .equ CVIC_BASE, 0x6c2000 + .equ STACK_SIZE, 0x100 /* 256 bytes of stack is enough */ + .equ CVIC_STATUS, 0x00 .equ CVIC_SW_IRQ_CLR, 0x1c .equ CVIC_SW_IRQ, 0x2 @@ -145,8 +147,8 @@ */ _vecs: /* Boot vector */ - .long 0x0ffff0 /* Stack below 1M */ - .long 0x400 /* Start code */ + .long _stack_top /* Stack below 1M */ + .long _start /* Start code */ /* Remaining 254 vectors point to corresponding stubs * starting at 0x10000, 0x10 bytes each @@ -543,3 +545,8 @@ _bad_exceptions: move.b #STAT_ERR_INVAL_IRQ,%a1@(STAT_REG) halt .endr + + /* Stack */ + .balign 0x10 + .space STACK_SIZE +_stack_top: |
