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Remove ecc scrub memory labels from linker scripts. #45

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Remove ecc scrub memory labels from linker scripts. #45

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d5b9f39
Remove ecc scrub memory labels from linker scripts.
NandkumarJoshi Sep 24, 2020
006c200
Remove other scrubbing-related debt
Sep 28, 2020
b93d782
Conditionally emit __metal_eccscrub_bit symbol.
NandkumarJoshi Sep 29, 2020
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16 changes: 2 additions & 14 deletions templates/base.lds
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Original file line number Diff line number Diff line change
Expand Up @@ -87,22 +87,10 @@ SECTIONS
* certain core features */
PROVIDE(__metal_chicken_bit = {{ chicken_bit|default(0) }});

{% if eccscrub_en %}
{% if eccscrub_bit != 0 %}
/* The memory_ecc_scrub bit is used by _entry code to enable/disable
* memories scrubbing to zero */
PROVIDE(__metal_eccscrub_bit = {{ eccscrub_bit|default(0) }});

/* The RAM memories map for ECC scrubbing */
{% for memory in ram_memories %}
{% if '0x10000' in memory["length_hex"]: %}
/* Default zero-scrub to at most 64KB, for limiting RTL simulation run time. */
/* User is recommended to enable the full size for manual RTL simulation run! */
{% endif %}
PROVIDE( metal_{{ memory.name }}_memory_start = {{ memory.base_hex }} );
PROVIDE( metal_{{ memory.name }}_memory_end = {{ memory.base_hex }} + {{ memory.length_hex }} );
{% endfor %}
{% else %}
PROVIDE(__metal_eccscrub_bit = 0);
PROVIDE(__metal_eccscrub_bit = {{ eccscrub_bit }});
{% endif %}

/* ROM SECTION
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1 change: 0 additions & 1 deletion templates/default.lds
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Expand Up @@ -11,4 +11,3 @@
# Set layout options
#}
{% set ramrodata = False %}
{% set eccscrub_en = True %}
1 change: 0 additions & 1 deletion templates/freertos.lds
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Expand Up @@ -15,7 +15,6 @@
#}
{% set ramrodata = False %}
{% set privilege_en = True %}
{% set eccscrub_en = True %}

{% block privileged_function_section %}
.privileged_functions : ALIGN (32) {
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1 change: 0 additions & 1 deletion templates/ramrodata.lds
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Expand Up @@ -15,7 +15,6 @@
# Set layout options
#}
{% set ramrodata = True %}
{% set eccscrub_en = True %}

{% block force_itim %}
{% if text_in_itim %}
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1 change: 0 additions & 1 deletion templates/scratchpad.lds
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Expand Up @@ -12,4 +12,3 @@
# Set layout options
#}
{% set ramrodata = False %}
{% set eccscrub_en = False %}